13. 使锟斤拷印锟斤拷锟斤拷
锟杰碉拷说锟斤拷锟斤拷效锟斤拷也锟杰好★拷锟斤拷Windows锟斤拷式锟叫ｏ拷锟斤拷锟斤拷锟窖讹拷锟绞撅拷锟斤拷锟紾DI锟斤拷式一锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷纸锟斤拷锟斤拷印锟斤拷锟街猴拷图锟轿ｏ拷锟斤拷锟斤拷前锟斤拷锟桔碉拷锟斤拷装锟斤拷锟睫关碉拷锟斤拷锟斤拷锟斤拷锟解（锟斤拷锟斤拷锟斤拷锟斤拷平锟斤拷锟斤拷示锟侥尺寸、锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷色锟斤拷锟叫关ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺伙拷锟揭惶ㄓ★拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷吖艿锟斤拷锟绞撅拷锟斤拷锟矫达拷虻ィ锟斤拷锟斤拷锟绞癸拷玫锟斤拷锟接★拷锟街斤拷锟斤拷锟斤拷锟街拷锟斤拷锟揭恍╋拷冉洗锟侥诧拷锟届。锟斤拷锟界，锟斤拷锟角达拷锟斤拷锟斤拷锟截匡拷锟斤拷锟斤拷讯锟斤拷示锟斤拷没锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷茫锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷帧锟接┠伙拷占洳伙拷锟斤拷锟斤拷拇锟斤拷螅锟接★拷锟斤拷锟給ff
line锟斤拷缺纸却锟角撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解。
锟斤拷锟斤拷也锟斤拷锟截碉拷锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷执锟斤拷某些图锟轿诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷示锟斤拷锟杰凤拷锟斤拷图锟轿ｏ拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷艽锟斤拷锟酵硷拷危锟斤拷透锟斤拷锟斤拷锟斤拷锟绞癸拷锟絎indows锟斤拷锟斤拷锟斤拷些印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印图锟轿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Windows锟斤拷锟斤拷锟斤拷使锟矫ｏ拷锟斤拷锟斤拷图锟斤拷锟斤拷锟杰匡拷锟斤拷锟斤拷印锟斤拷锟斤拷图锟轿ｏ拷却锟斤拷锟斤拷位元图锟斤拷拇锟斤拷锟斤拷锟斤拷狻�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些锟斤拷要锟斤拷锟角碉拷锟斤拷锟解：
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印锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟叫伙拷锟结将锟斤拷式锟斤拷锟杰碉拷锟斤拷锟斤拷锟斤拷锟阶刺拷锟饺达拷锟斤拷氐锟斤拷锟斤拷锟窖讹拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷时锟戒。然锟斤拷锟斤拷没锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷前一直锟饺达拷印锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟�
锟斤拷 -
锟斤拷式锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟斤拷锟斤拷锟皆拷械锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷锟芥。锟斤拷锟接★拷锟斤拷锟斤拷遣锟斤拷锟斤拷艿模锟接★拷锟斤拷锟街伙拷锟斤拷锟斤拷锟揭伙拷锟揭持斤拷锟饺伙拷锟斤拷锟斤拷锟揭灰筹拷锟街斤拷锟斤拷锟接★拷碌锟斤拷锟斤拷荨锟�
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锟斤拷印锟酵憋拷锟斤拷锟斤拷锟斤拷
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锟斤拷应锟矫筹拷式要使锟斤拷印锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷CreateDC锟斤拷PrintDlg锟斤拷取锟斤拷指锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷的达拷锟脚ｏ拷锟斤拷锟绞癸拷锟接★拷锟斤拷锟阶帮拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟教拷锟斤拷锟斤拷式锟斤拷模锟介被锟斤拷锟诫到锟斤拷锟斤拷锟藉（锟斤拷锟斤拷锟矫伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷幕锟斤拷锟斤拷锟斤拷约锟斤拷锟斤拷谐锟绞硷拷锟斤拷锟饺伙拷幔拷锟绞斤拷锟斤拷锟絊tartDoc锟斤拷式锟斤拷通知说一锟斤拷锟斤拷锟侥硷拷锟斤拷始锟剿★拷StartDoc锟斤拷式锟斤拷锟斤拷GDI模锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷GDI模锟斤拷锟斤拷锟接★拷锟斤拷锟阶帮拷锟斤拷锟斤拷锟斤拷锟绞斤拷械锟紺ontrol锟斤拷式锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷式准锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷
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锟斤拷印锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷印锟斤拷锟斤拷锟矫匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵碉拷GDI模锟介。锟斤拷锟结，GDI模锟介将锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷荽娴碉拷锟斤拷校锟斤拷锟斤拷荽娴碉拷锟斤拷锟斤拷锟斤拷执锟絶SPL锟斤拷始锟斤拷锟斤拷锟斤拷.TMP锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷页之锟结，GDI模锟斤拷锟侥伙拷锟斤拷锟接★拷锟绞斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷校锟酵ㄖ拷锟揭伙拷锟斤拷碌锟斤拷锟接∫筹拷丫锟阶硷拷锟斤拷锟斤拷恕锟饺伙拷幔︼拷贸锟绞斤拷锟阶拷锟斤拷锟斤拷锟揭灰筹拷锟斤拷锟接︼拷贸锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭拷锟接★拷锟斤拷锟斤拷页锟结，锟斤拷锟酵猴拷锟斤拷EndDoc锟斤拷锟斤拷一锟斤拷锟脚号ｏ拷锟斤拷示锟斤拷印锟斤拷业锟窖撅拷锟斤拷伞锟酵�13-1锟斤拷示锟斤拷应锟矫筹拷式锟斤拷GDI模锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟绞斤拷慕锟斤拷锟斤拷锟斤拷贸锟斤拷锟�
锟斤拷
| 图13-1 应锟矫筹拷式锟斤拷GDI模锟介、锟斤拷印锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷印锟斤拷锟叫筹拷式锟侥斤拷锟斤拷锟斤拷锟矫癸拷锟斤拷 |
Windows幕锟斤拷锟斤拷印锟斤拷式实锟斤拷锟斤拷锟角硷拷锟斤拷元锟斤拷锟斤拷一锟斤拷锟斤拷希锟斤拷锟斤拷锟�13-1锟斤拷锟斤拷
| 锟斤拷13-1 |
| 锟斤拷印锟斤拷锟叫筹拷式元锟斤拷 | 说锟斤拷 |
|---|---|
| 锟斤拷印锟斤拷锟斤拷锟斤拷锟叫筹拷式 | 锟斤拷锟斤拷锟斤拷锟斤拷锟教达拷锟捷革拷锟斤拷印锟斤拷锟斤拷锟结供锟斤拷 |
| 锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟结供锟斤拷 | 为锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 |
| 锟斤拷路锟斤拷印锟斤拷锟斤拷锟结供锟斤拷 | 为锟斤拷路印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 |
| 锟斤拷印锟斤拷锟斤拷锟斤拷式 | 锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷装锟斤拷锟睫关碉拷锟斤拷锟斤拷转锟斤拷为锟斤拷锟侥匡拷锟接★拷锟斤拷锟斤拷母锟绞� |
| 锟斤拷印锟斤拷锟斤拷锟接筹拷式 | 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟侥诧拷 |
| 锟斤拷印锟斤拷锟皆硷拷锟接筹拷式 | 锟斤拷锟斤拷锟斤拷锟斤拷锟剿拷锟酵ㄑ讹拷锟接★拷锟斤拷锟斤拷锟斤拷瓒ㄗ帮拷锟斤拷瓒拷锟斤拷锟斤拷印锟斤拷锟斤拷状态 |
锟斤拷印锟斤拷锟叫筹拷式锟斤拷锟皆硷拷锟斤拷应锟矫筹拷式锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷 Windows锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟叫筹拷式锟斤拷锟斤拷耍锟斤拷锟接︼拷贸锟绞斤拷锟绞硷拷锟接∈憋拷锟斤拷锟斤拷丫锟斤拷腔疃拷锟斤拷恕锟斤拷锟斤拷锟绞斤拷锟接∫伙拷锟斤拷锟斤拷锟绞憋拷锟紾DI模锟斤拷峤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟较的碉拷锟斤拷锟斤拷幕锟斤拷锟斤拷印锟斤拷式锟斤拷锟斤拷锟斤拷锟角斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷GDI模锟介发锟斤拷一锟斤拷讯息锟斤拷通知锟斤拷一锟斤拷锟铰碉拷锟斤拷印锟斤拷业锟斤拷始锟斤拷然锟斤拷锟斤拷锟斤拷始锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷直锟接达拷锟酵碉拷印锟斤拷锟斤拷锟斤拷为锟剿达拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟叫筹拷式锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牟锟斤拷胁锟斤拷锟斤拷胁锟绞癸拷酶锟斤拷植锟酵拷锟酵拷藕锟绞斤拷锟斤拷锟斤拷锟接★拷锟斤拷谐锟绞斤拷锟接★拷锟斤拷锟斤拷锟斤拷偷锟斤拷锟斤拷牟锟斤拷锟斤拷锟斤拷锟结，锟斤拷锟酵斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷系锟斤拷荽娴碉拷锟缴撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫癸拷锟斤拷锟斤拷图13-2锟斤拷示锟斤拷
锟斤拷
| 图13-2 幕锟斤拷锟斤拷印锟斤拷式锟侥诧拷锟斤拷锟斤拷锟斤拷 |
锟斤拷锟斤拷锟斤拷锟侥大部分讹拷应锟矫筹拷式锟斤拷说锟斤拷透锟斤拷锟侥★拷锟斤拷应锟矫筹拷式锟侥角讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷只锟斤拷锟斤拷锟斤拷GDI模锟介将锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷洗锟斤拷娴斤拷锟狡拷锟斤拷锟斤拷械锟绞憋拷锟斤拷锟斤拷锟街拷幔拷锟斤拷锟斤拷印锟斤拷锟缴第讹拷锟斤拷执锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷之前锟斤拷应锟矫筹拷式锟斤拷锟斤拷锟斤拷锟缴地斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷幕锟斤拷锟斤拷印锟斤拷式锟斤拷锟斤拷锟今，讹拷锟斤拷锟斤拷应锟矫筹拷式锟斤拷锟斤拷锟斤拷通锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷使锟斤拷锟竭匡拷锟斤拷锟斤拷停锟斤拷印锟斤拷业锟斤拷锟侥憋拷锟斤拷业锟斤拷锟斤拷锟斤拷顺锟斤拷锟饺★拷锟斤拷锟接★拷锟揭碉拷锟斤拷锟斤拷止锟斤拷锟斤拷锟绞绞褂︼拷贸锟绞斤拷芨锟斤拷锟截斤拷锟斤拷印锟斤拷锟斤拷锟皆硷拷时锟斤拷式锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷鹊锟斤拷锟接★拷锟揭灰筹拷锟斤拷锟杰达拷锟斤拷锟斤拷一页锟斤拷
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锟斤拷锟矫伙拷锟斤拷锟斤拷锟絎indows锟斤拷印锟斤拷锟叫筹拷式锟斤拷GDI模锟斤拷筒锟斤拷锟斤拷锟斤拷锟阶帮拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟较达拷锟诫档锟斤拷锟叫ｏ拷锟斤拷锟角斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟街憋拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷谐锟绞斤拷锟斤拷械锟斤拷锟接★拷锟酵拷锟紾DI锟斤拷锟叫碉拷锟斤拷印一锟斤拷锟斤拷锟斤拷应锟矫筹拷式锟斤拷停执锟斤拷一锟斤拷时锟戒（锟截憋拷锟角斤拷锟斤拷锟斤拷印锟叫的筹拷式锟斤拷直锟斤拷锟斤拷印锟斤拷伞锟�
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟解。通锟斤拷锟斤拷GDI模锟介将锟斤拷锟斤拷一页锟斤拷锟斤拷锟斤拷锟斤拷泻锟绞斤拷锟斤拷锟揭伙拷锟斤拷锟角匡拷锟絤etafile锟叫ｏ拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟矫匡拷锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷metafile锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷式锟叫★拷然锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟揭拷锟接★拷执锟斤拷幕锟斤拷锟斤拷筒锟斤拷峤拷锟斤拷锟斤拷metafile锟斤拷GDI只锟斤拷虻サ亟锟斤拷锟酵硷拷锟绞街憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟揭伙拷锟斤拷谋浠拷牵锟接︼拷贸锟绞揭诧拷锟斤拷艿贸械锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷辖锟斤拷锟斤拷锟接★拷执锟斤拷锟斤拷锟斤拷危锟斤拷锟斤拷使锟斤拷应锟矫筹拷式锟叫碉拷锟斤拷印锟斤拷式锟斤拷锟斤拷痈锟斤拷锟斤拷耍锟斤拷锟饺达拷锟饺ワ拷锟紾DI模锟介建锟斤拷metafile锟斤拷锟介烦锟斤拷锟斤拷锟斤拷锟斤拷GDI只锟斤拷虻サ锟轿匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷式锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖撅拷锟斤拷锟斤拷锟剿达拷一锟斤拷Windows应锟矫筹拷式锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷要锟斤拷使锟斤拷锟斤拷讯锟斤拷示锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰筹拷锟斤拷一些锟斤拷锟解－锟截憋拷锟角ｏ拷锟斤拷锟紾DI模锟斤拷锟节斤拷锟斤拷metafile锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟绞憋拷木锟斤拷舜诺锟斤拷占洹ｏ拷锟斤拷锟斤拷愿锟斤拷锟斤拷锟斤拷锟叫╋拷锟斤拷猓拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫╋拷锟斤拷獠拷锟街癸拷锟斤拷撸锟斤拷锟斤拷锟斤拷锟斤拷锟饺灰诧拷锟斤拷锟斤拷锟街拷锟斤拷锟斤拷锟�
锟斤拷锟揭伙拷锟接︼拷贸锟绞斤拷锟斤拷锟接★拷募锟斤拷牡锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷取锟斤拷印锟斤拷锟斤拷装锟矫碉拷锟斤拷锟捷★拷
印锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟较伙拷图前锟斤拷要锟矫碉拷装锟斤拷锟斤拷锟捷达拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷印之前锟斤拷使锟斤拷锟竭憋拷锟斤拷取锟斤拷一锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚★拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷牛锟斤拷锟轿拷锟斤拷锟揭伙拷锟斤拷锟斤拷募锟斤拷锟斤拷锟斤拷锟絊tartDoc锟皆硷拷锟斤拷锟斤拷StartPage锟斤拷始一页锟斤拷锟斤拷锟酵匡拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷讯锟斤拷示装锟斤拷锟斤拷锟捷达拷锟斤拷锟斤拷同锟侥凤拷锟斤拷锟斤拷使锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚ｏ拷锟矫达拷锟脚硷拷为锟斤拷锟斤拷GDI锟斤拷锟叫的碉拷一锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟接︼拷贸锟绞斤拷锟斤拷珊锟斤拷锟絇rintDlg锟斤拷式锟斤拷一锟斤拷锟斤拷准锟斤拷锟斤拷印锟皆伙拷锟斤拷锟介（锟斤拷锟斤拷锟斤拷锟斤拷锟秸故撅拷煤锟绞斤拷锟斤拷梅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷为使锟斤拷锟斤拷锟结供锟斤拷一锟斤拷锟斤拷锟斤拷印之前锟侥憋拷印锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟皆的伙拷锟结。然锟结，锟斤拷锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚斤拷锟斤拷应锟矫筹拷式锟斤拷锟矫猴拷式锟杰癸拷省锟斤拷应锟矫筹拷式锟斤拷一些锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷某些应锟矫筹拷式锟斤拷锟斤拷锟斤拷Notepad锟斤拷锟斤拷锟斤拷要取锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷ｏ拷锟斤拷锟斤拷锟斤拷要锟角革拷锟皆伙拷锟斤拷锟介。要锟斤拷锟斤拷锟斤拷一锟姐，锟斤拷要锟斤拷锟斤拷CreateDC锟斤拷式锟斤拷
锟节碉拷锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟斤拷知锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷碌暮锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟窖讹拷锟绞撅拷锟饺★拷锟街革拷锟阶帮拷锟斤拷锟斤拷莸拇锟斤拷牛锟�
hdc = CreateDC (TEXT ("DISPLAY"), NULL, NULL, NULL) ;
锟斤拷也锟斤拷锟斤拷使锟矫该猴拷式锟斤拷取锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚★拷然锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷ｏ拷CreateDC锟斤拷一锟斤拷锟斤法为锟斤拷
hdc = CreateDC (NULL, szDeviceName, NULL, pInitializationData) ;
pInitializationData锟斤拷锟斤拷一锟姐被锟斤拷为NULL锟斤拷szDeviceName锟斤拷锟斤拷指锟斤拷一锟斤拷锟街达拷锟斤拷锟皆革拷锟斤拷Windows印锟斤拷锟斤拷锟借备锟斤拷锟斤拷锟狡★拷锟斤拷锟借定锟借备锟斤拷锟斤拷之前锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷些印锟斤拷锟斤拷锟斤拷锟矫★拷
一锟斤拷系统锟斤拷锟斤拷锟叫诧拷只一台锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟界传锟斤拷锟斤拷锟藉，锟斤拷锟皆硷拷伪装锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷卸锟斤拷锟教拷锟斤拷锟街伙拷锟斤拷锟揭惶拷锟斤拷锟轿拷恰锟侥壳帮拷锟接★拷锟斤拷锟斤拷锟斤拷锟斤拷摺锟斤拷诙锟接★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷一锟斤拷选锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫★拷偷锟絎indows锟斤拷式只使锟斤拷锟节讹拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷
取锟斤拷锟节讹拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷的凤拷式锟斤拷锟斤拷锟节改变。目前锟斤拷锟斤拷准锟侥凤拷锟斤拷锟斤拷使锟斤拷EnumPrinters锟斤拷式锟斤拷锟斤拷谩锟斤拷煤锟绞斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟矫匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟窖讹拷锟斤拷锟斤拷薪峁癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷细锟节诧拷危锟斤拷锟斤拷锟斤拷锟斤拷锟窖★拷锟斤拷纸峁怪伙拷锟轿拷煤锟绞斤拷牟锟斤拷锟斤拷锟斤拷锟叫╋拷峁癸拷锟斤拷锟斤拷锟轿狿RINTER_INFO_x锟斤拷x锟斤拷一锟斤拷锟斤拷锟街★拷
锟斤拷锟揭碉拷锟角ｏ拷锟斤拷使锟矫的猴拷式锟斤拷取锟斤拷锟斤拷锟斤拷某锟绞斤拷锟斤拷锟絎indows 98锟斤拷执锟叫伙拷锟斤拷锟斤拷Windows NT锟斤拷执锟叫★拷锟斤拷式13-1展示锟斤拷GetPrinterDC锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷业系统锟较癸拷锟斤拷锟斤拷锟矫凤拷锟斤拷
锟斤拷式13-1 GETPRNDC
GETPRNDC.C
/*----------------------------------------------------------------------
GETPRNDC.C -- GetPrinterDC function
-----------------------------------------------------------------------*/
#include <windows.h>
HDC GetPrinterDC (void)
{
DWORD dwNeeded, dwReturned ;
HDC hdc ;
PRINTER_INFO_4 * pinfo4 ;
PRINTER_INFO_5 * pinfo5 ;
if (GetVersion () & 0x80000000) // Windows 98
{
EnumPrinters (PRINTER_ENUM_DEFAULT, NULL, 5, NULL,
0, &dwNeeded, &dwReturned) ;
pinfo5 = malloc (dwNeeded) ;
EnumPrinters (PRINTER_ENUM_DEFAULT, NULL, 5, (PBYTE) pinfo5,
dwNeeded, &dwNeeded, &dwReturned) ;
hdc = CreateDC (NULL, pinfo5->pPrinterName, NULL, NULL) ;
free (pinfo5) ;
}
else
//Windows NT
{
EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, NULL,
0, &dwNeeded, &dwReturned) ;
pinfo4 = malloc (dwNeeded) ;
EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, (PBYTE) pinfo4,
dwNeeded, &dwNeeded, &dwReturned) ;
hdc = CreateDC (NULL, pinfo4->pPrinterName, NULL, NULL) ;
free (pinfo4) ;
}
return hdc ;
}
锟斤拷些锟斤拷式使锟斤拷GetVersion锟斤拷式锟斤拷确锟斤拷锟斤拷式锟斤拷执锟斤拷锟斤拷Windows 98锟较伙拷锟斤拷Windows NT锟较★拷锟斤拷锟斤拷锟斤拷什么锟斤拷业系统锟斤拷锟斤拷式锟斤拷锟斤拷EnumPrinters锟斤拷锟轿ｏ拷一锟斤拷取锟斤拷锟斤拷锟斤拷锟斤拷峁癸拷拇锟叫★拷锟揭伙拷锟斤拷锟斤拷锟结构锟斤拷锟斤拷Windows 98锟较ｏ拷锟斤拷式使锟斤拷PRINTER_INFO_5锟结构锟斤拷锟斤拷Windows NT锟较ｏ拷锟斤拷式使锟斤拷PRINTER_INFO_4锟结构锟斤拷锟斤拷些锟结构锟斤拷EnumPrinters锟侥硷拷锟斤拷/Platform SDK/Graphics and Multimedia Services/GDI/Printing and Print Spooler/Printing and Print Spooler Reference/Printing and Print Spooler Functions/EnumPrinters锟斤拷锟斤拷锟斤拷小锟节碉拷前锟芥）锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟角★拷锟斤拷锟阶讹拷锟斤拷锟劫★拷锟侥★拷
锟睫革拷锟斤拷锟紻EVCAPS锟斤拷式
锟斤拷
锟斤拷锟斤拷锟铰碉拷DEVCAPS1锟斤拷式只锟斤拷示锟剿达拷GetDeviceCaps锟斤拷式锟斤拷玫墓锟斤拷锟斤拷讯锟斤拷示锟侥伙拷锟斤拷锟斤拷讯锟斤拷锟斤拷式13-2锟斤拷示锟斤拷锟铰版本锟斤拷示锟剿癸拷锟斤拷锟窖讹拷锟绞撅拷锟斤拷锟斤拷岬较低持拷锟斤拷锟接★拷锟斤拷锟斤拷母锟斤拷锟斤拷锟窖讹拷锟�
锟斤拷式13-2 DEVCAPS2
DEVCAPS2.C
/*--------------------------------------------------------------------------
DEVCAPS2.C -- Displays Device Capability Information (Version 2)
(c) Charles Petzold, 1998
---------------------------------------------------------------------------*/
#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
void DoBasicInfo (HDC, HDC, int, int) ;
void DoOtherInfo (HDC, HDC, int, int) ;
void DoBitCodedCaps (HDC, HDC, int, int, int) ;
typedef struct
{
int iMask ;
TCHAR * szDesc ;
}
BITS ;
#define IDM_DEVMODE 1000
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("DevCaps2") ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, NULL,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static TCHAR szDevice[32], szWindowText[64] ;
static int cxChar, cyChar, nCurrentDevice = IDM_SCREEN,
nCurrentInfo = IDM_BASIC ;
static DWORD dwNeeded, dwReturned ;
static PRINTER_INFO_4 * pinfo4 ;
static PRINTER_INFO_5 * pinfo5 ;
DWORD i ;
HDC hdc, hdcInfo ;
HMENU hMenu ;
HANDLE hPrint ;
PAINTSTRUCT ps ;
TEXTMETRIC tm ;
switch (message)
{
case WM_CREATE :
hdc = GetDC (hwnd) ;
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT)) ;
GetTextMetrics (hdc, &tm) ;
cxChar = tm.tmAveCharWidth ;
cyChar = tm.tmHeight + tm.tmExternalLeading ;
ReleaseDC (hwnd, hdc) ;
// fall through
case WM_SETTINGCHANGE:
hMenu = GetSubMenu (GetMenu (hwnd), 0) ;
while (GetMenuItemCount (hMenu) > 1)
DeleteMenu (hMenu, 1, MF_BYPOSITION) ;
// Get a list of all local and remote printers
//
// First, find out how large an array we need; this
// call will fail, leaving the required size in dwNeeded
//
// Next, allocate space for the info array and fill it
//
// Put the printer names on the menu
if (GetVersion () & 0x80000000) // Windows 98
{
EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 5, NULL,
0, &dwNeeded, &dwReturned) ;
pinfo5 = malloc (dwNeeded) ;
EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 5, (PBYTE) pinfo5,
dwNeeded, &dwNeeded, &dwReturned) ;
for (i = 0 ; i < dwReturned ; i++)
{
AppendMenu (hMenu, (i+1) % 16 ? 0 : MF_MENUBARBREAK, i + 1,
pinfo5[i].pPrinterName) ;
}
free (pinfo5) ;
}
else
// Windows NT
{
EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, NULL,
0, &dwNeeded, &dwReturned) ;
pinfo4 = malloc (dwNeeded) ;
EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, (PBYTE) pinfo4,
dwNeeded, &dwNeeded, &dwReturned) ;
for (i = 0 ; i < dwReturned ; i++)
{
AppendMenu (hMenu, (i+1) % 16 ? 0 : MF_MENUBARBREAK, i + 1,
pinfo4[i].pPrinterName) ;
}
free (pinfo4) ;
}
AppendMenu (hMenu, MF_SEPARATOR, 0, NULL) ;
AppendMenu (hMenu, 0, IDM_DEVMODE, TEXT ("Properties")) ;
wParam = IDM_SCREEN ;
// fall through
case WM_COMMAND :
hMenu = GetMenu (hwnd) ;
if ( LOWORD (wParam) == IDM_SCREEN || // IDM_SCREEN & Printers
LOWORD (wParam) < IDM_DEVMODE)
{
CheckMenuItem (hMenu, nCurrentDevice, MF_UNCHECKED) ;
nCurrentDevice = LOWORD (wParam) ;
CheckMenuItem (hMenu, nCurrentDevice, MF_CHECKED) ;
}
else if (LOWORD (wParam) == IDM_DEVMODE) // Properties selection
{
GetMenuString (hMenu, nCurrentDevice, szDevice,
sizeof (szDevice) / sizeof (TCHAR), MF_BYCOMMAND);
if (OpenPrinter (szDevice, &hPrint, NULL))
{
PrinterProperties (hwnd, hPrint) ;
ClosePrinter (hPrint) ;
}
}
else
// info menu items
{
CheckMenuItem (hMenu, nCurrentInfo, MF_UNCHECKED) ;
nCurrentInfo = LOWORD (wParam) ;
CheckMenuItem (hMenu, nCurrentInfo, MF_CHECKED) ;
}
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
case WM_INITMENUPOPUP :
if (lParam == 0)
EnableMenuItem (GetMenu (hwnd), IDM_DEVMODE,
nCurrentDevice == IDM_SCREEMF_GRAYED : MF_ENABLED) ;
return 0 ;
case WM_PAINT :
lstrcpy (szWindowText, TEXT ("Device Capabilities: ")) ;
if (nCurrentDevice == IDM_SCREEN)
{
lstrcpy (szDevice, TEXT ("DISPLAY")) ;
hdcInfo = CreateIC (szDevice, NULL, NULL, NULL) ;
}
else
{
hMenu = GetMenu (hwnd) ;
GetMenuString (hMenu, nCurrentDevice, szDevice,
sizeof (szDevice), MF_BYCOMMAND) ;
hdcInfo = CreateIC (NULL, szDevice, NULL, NULL) ;
}
lstrcat (szWindowText, szDevice) ;
SetWindowText (hwnd, szWindowText) ;
hdc = BeginPaint (hwnd, &ps) ;
SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT)) ;
if (hdcInfo)
{
switch (nCurrentInfo)
{
case IDM_BASIC :
DoBasicInfo (hdc, hdcInfo, cxChar, cyChar) ;
break ;
case IDM_OTHER :
DoOtherInfo (hdc, hdcInfo, cxChar, cyChar) ;
break ;
case IDM_CURVE :
case IDM_LINE :
case IDM_POLY :
case IDM_TEXT :
DoBitCodedCaps (hdc, hdcInfo, cxChar, cyChar,
nCurrentInfo - IDM_CURVE) ;
break ;
}
DeleteDC (hdcInfo) ;
}
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY :
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
void DoBasicInfo (HDC hdc, HDC hdcInfo, int cxChar, int cyChar)
{
static struct
{
int nIndex ;
TCHAR * szDesc ;
}
info[] =
{
HORZSIZE, TEXT ("HORZSIZE Width in millimeters:"),
VERTSIZE, TEXT ("VERTSIZE Height in millimeters:"),
HORZRES, TEXT ("HORZRES Width in pixels:"),
VERTRES, TEXT ("VERTRES Height in raster lines:"),
BITSPIXEL, TEXT ("BITSPIXEL Color bits per pixel:"),
PLANES, TEXT ("PLANES Number of color planes:"),
NUMBRUSHES, TEXT ("NUMBRUSHES Number of device brushes:"),
NUMPENS, TEXT ("NUMPENS Number of device pens:"),
NUMMARKERS, TEXT ("NUMMARKERS Number of device markers:"),
NUMFONTS, TEXT ("NUMFONTS Number of device fonts:"),
NUMCOLORS, TEXT ("NUMCOLORS Number of device colors:"),
PDEVICESIZE, TEXT("PDEVICESIZE Size of device structure:"),
ASPECTX, TEXT("ASPECTX Relative width of pixel:"),
ASPECTY, TEXT("ASPECTY Relative height of pixel:"),
ASPECTXY, TEXT("ASPECTXY Relative diagonal of pixel:"),
LOGPIXELSX, TEXT("LOGPIXELSX Horizontal dots per inch:"),
LOGPIXELSY, TEXT("LOGPIXELSY Vertical dots per inch:"),
SIZEPALETTE, TEXT("SIZEPALETTE Number of palette entries:"),
NUMRESERVED, TEXT("NUMRESERVED Reserved palette entries:"),
COLORRES, TEXT("COLORRES Actual color resolution:"),
PHYSICALWIDTH, TEXT("PHYSICALWIDTH Printer page pixel width:"),
PHYSICALHEIGHT,TEXT("PHYSICALHEIGHT Printer page pixel height:"),
PHYSICALOFFSETX,TEXT("PHYSICALOFFSETX Printer page x offset:"),
PHYSICALOFFSETY,TEXT("PHYSICALOFFSETY Printer page y offset:")
} ;
int i ;
TCHAR szBuffer[80] ;
for (i = 0 ; i < sizeof (info) / sizeof (info[0]) ; i++)
TextOut (hdc, cxChar, (i + 1) * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("%-45s%8d"), info[i].szDesc,
GetDeviceCaps (hdcInfo, info[i].nIndex))) ;
}
void DoOtherInfo (HDC hdc, HDC hdcInfo, int cxChar, int cyChar)
{
static BITS clip[] =
{
CP_RECTANGLE, TEXT ("CP_RECTANGLE Can Clip To Rectangle:")
} ;
static BITS raster[] =
{
RC_BITBLT, TEXT ("RC_BITBLT Capable of simple BitBlt:"),
RC_BANDING, TEXT ("RC_BANDING Requires banding support:"),
RC_SCALING, TEXT ("RC_SCALING Requires scaling support:"),
RC_BITMAP64, TEXT ("RC_BITMAP64 Supports bitmaps >64K:"),
RC_GDI20_OUTPUT, TEXT ("RC_GDI20_OUTPUT Has 2.0 output calls:"),
RC_DI_BITMAP, TEXT ("RC_DI_BITMAP Supports DIB to memory:"),
RC_PALETTE, TEXT ("RC_PALETTE Supports a palette:"),
RC_DIBTODEV, TEXT ("RC_DIBTODEV Supports bitmap conversion:"),
RC_BIGFONT, TEXT ("RC_BIGFONT Supports fonts >64K:"),
RC_STRETCHBLT,TEXT ("RC_STRETCHBLT Supports StretchBlt:"),
RC_FLOODFILL, TEXT ("RC_FLOODFILL Supports FloodFill:"),
RC_STRETCHDIB,TEXT ("RC_STRETCHDIB Supports StretchDIBits:")
} ;
static TCHAR * szTech[]= { TEXT ("DT_PLOTTER (Vector plotter)"),
TEXT ("DT_RASDISPLAY (Raster display)"),
TEXT ("DT_RASPRINTER (Raster printer)"),
TEXT ("DT_RASCAMERA (Raster camera)"),
TEXT ("DT_CHARSTREAM (Character stream)"),
TEXT ("DT_METAFILE (Metafile)"),
TEXT ("DT_DISPFILE (Display file)") } ;
int i ;
TCHAR szBuffer[80] ;
TextOut (hdc, cxChar, cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("%-24s%04XH"), TEXT ("DRIVERVERSION:"),
GetDeviceCaps (hdcInfo, DRIVERVERSION))) ;
TextOut (hdc, cxChar, 2 * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("%-24s%-40s"), TEXT ("TECHNOLOGY:"),
szTech[GetDeviceCaps (hdcInfo, TECHNOLOGY)])) ;
TextOut (hdc, cxChar, 4 * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("CLIPCAPS (Clipping capabilities)"))) ;
for (i = 0 ; i < sizeof (clip) / sizeof (clip[0]) ; i++)
TextOut (hdc, 9 * cxChar, (i + 6) * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("%-45s %3s"), clip[i].szDesc,
GetDeviceCaps (hdcInfo, CLIPCAPS) & clip[i].iMask ?
TEXT ("Yes") : TEXT ("No"))) ;
TextOut (hdc, cxChar, 8 * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("RASTERCAPS (Raster capabilities)"))) ;
for (i = 0 ; i < sizeof (raster) / sizeof (raster[0]) ; i++)
TextOut (hdc, 9 * cxChar, (i + 10) * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("%-45s %3s"), raster[i].szDesc,
GetDeviceCaps (hdcInfo, RASTERCAPS) & raster[i].iMask ?
TEXT ("Yes") : TEXT ("No"))) ;
}
void DoBitCodedCaps ( HDC hdc, HDC hdcInfo, int cxChar, int cyChar,int iType)
{
static BITS curves[] =
{
CC_CIRCLES, TEXT ("CC_CIRCLES Can do circles:"),
CC_PIE, TEXT ("CC_PIE Can do pie wedges:"),
CC_CHORD, TEXT ("CC_CHORD Can do chord arcs:"),
CC_ELLIPSES, TEXT ("CC_ELLIPSES Can do ellipses:"),
CC_WIDE, TEXT ("CC_WIDE Can do wide borders:"),
CC_STYLED, TEXT ("CC_STYLED Can do styled borders:"),
CC_WIDESTYLED, TEXT ("CC_WIDESTYLED Can do wide and styled borders:"),
CC_INTERIORS, TEXT ("CC_INTERIORS Can do interiors:")
} ;
static BITS lines[] =
{
LC_POLYLINE, TEXT ("LC_POLYLINE Can do polyline:"),
LC_MARKER, TEXT ("LC_MARKER Can do markers:"),
LC_POLYMARKER, TEXT ("LC_POLYMARKER Can do polymarkers"),
LC_WIDE, TEXT ("LC_WIDE Can do wide lines:"),
LC_STYLED, TEXT ("LC_STYLED Can do styled lines:"),
LC_WIDESTYLED, TEXT ("LC_WIDESTYLED Can do wide and styled lines:"),
LC_INTERIORS, TEXT ("LC_INTERIORS Can do interiors:")
} ;
static BITS poly[] =
{
PC_POLYGON,
TEXT ("PC_POLYGON Can do alternate fill polygon:"),
PC_RECTANGLE, TEXT ("PC_RECTANGLE Can do rectangle:"),
PC_WINDPOLYGON,
TEXT ("PC_WINDPOLYGON Can do winding number fill polygon:"),
PC_SCANLINE, TEXT ("PC_SCANLINE Can do scanlines:"),
PC_WIDE, TEXT ("PC_WIDE Can do wide borders:"),
PC_STYLED, TEXT ("PC_STYLED Can do styled borders:"),
PC_WIDESTYLED,
TEXT ("PC_WIDESTYLED Can do wide and styled borders:"),
PC_INTERIORS, TEXT ("PC_INTERIORS Can do interiors:")
} ;
static BITS text[] =
{
TC_OP_CHARACTER, TEXT ("TC_OP_CHARACTER Can do character output precision:"),
TC_OP_STROKE, TEXT ("TC_OP_STROKE Can do stroke output precision:"),
TC_CP_STROKE, TEXT ("TC_CP_STROKE Can do stroke clip precision:"),
TC_CR_90, TEXT ("TC_CP_90 Can do 90 degree character rotation:"),
TC_CR_ANY, TEXT ("TC_CR_ANY Can do any character rotation:"),
TC_SF_X_YINDEP, TEXT ("TC_SF_X_YINDEP Can do scaling independent of X and Y:"),
TC_SA_DOUBLE, EXT ("TC_SA_DOUBLE Can do doubled character for scaling:"),
TC_SA_INTEGER, TEXT ("TC_SA_INTEGER Can do integer multiples for scaling:"),
TC_SA_CONTIN, TEXT ("TC_SA_CONTIN Can do any multiples for exact scaling:"),
TC_EA_DOUBLE, TEXT ("TC_EA_DOUBLE Can do double weight characters:"),
TC_IA_ABLE, TEXT ("TC_IA_ABLE Can do italicizing:"),
TC_UA_ABLE, TEXT ("TC_UA_ABLE Can do underlining:"),
TC_SO_ABLE, TEXT ("TC_SO_ABLE Can do strikeouts:"),
TC_RA_ABLE, TEXT ("TC_RA_ABLE Can do raster fonts:"),
TC_VA_ABLE, TEXT ("TC_VA_ABLE Can do vector fonts:")
} ;
static struct
{
int iIndex ;
TCHAR * szTitle ;
BITS (*pbits)[] ;
int iSize ;
}
bitinfo[] =
{
CURVECAPS, TEXT ("CURVCAPS (Curve Capabilities)"),
(BITS (*)[]) curves, sizeof (curves) / sizeof (curves[0]),
LINECAPS, TEXT ("LINECAPS (Line Capabilities)"),
(BITS (*)[]) lines, sizeof (lines) / sizeof (lines[0]),
POLYGONALCAPS, TEXT ("POLYGONALCAPS (Polygonal Capabilities)"),
(BITS (*)[]) poly, sizeof (poly) / sizeof (poly[0]),
TEXTCAPS, TEXT ("TEXTCAPS (Text Capabilities)"),
(BITS (*)[]) text, sizeof (text) / sizeof (text[0])
} ;
static TCHAR szBuffer[80] ;
BITS (*pbits)[] = bitinfo[iType].pbits ;
int i, iDevCaps = GetDeviceCaps (hdcInfo, bitinfo[iType].iIndex) ;
TextOut (hdc, cxChar, cyChar, bitinfo[iType].szTitle,
lstrlen (bitinfo[iType].szTitle)) ;
for (i = 0 ; i < bitinfo[iType].iSize ; i++)
extOut (hdc, cxChar, (i + 3) * cyChar, szBuffer,
wsprintf (szBuffer, TEXT ("%-55s %3s"), (*pbits)[i].szDesc,
iDevCaps & (*pbits)[i].iMask ? TEXT ("Yes") : TEXT ("No")));
}
DEVCAPS2.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Menu
DEVCAPS2 MENU DISCARDABLE
BEGIN
POPUP "&Device"
BEGIN
MENUITEM "&Screen",IDM_SCREEN, CHECKED
END
POPUP "&Capabilities"
BEGIN
MENUITEM "&Basic Information",IDM_BASIC
MENUITEM "&Other Information",IDM_OTHER
MENUITEM "&Curve Capabilities",IDM_CURVE
MENUITEM "&Line Capabilities",IDM_LINE
MENUITEM "&Polygonal Capabilities",IDM_POLY
MENUITEM "&Text Capabilities",IDM_TEXT
END
END
RESOURCE.H 锟斤拷摘录锟斤拷 // Microsoft Developer Studio generated include file. // Used by DevCaps2.rc #define IDM_SCREEN 40001 #define IDM_BASIC 40002 #define IDM_OTHER 40003 #define IDM_CURVE 40004 #define IDM_LINE 40005 #define IDM_POLY 40006 #define IDM_TEXT 40007
锟斤拷为DEVCAPS2只取锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷锟捷ｏ拷使锟斤拷锟斤拷锟斤拷然锟斤拷锟皆达拷DEVCAPS2锟侥癸拷锟杰憋拷锟斤拷选锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟饺较诧拷同印锟斤拷锟斤拷锟侥癸拷锟杰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接革拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷式锟斤拷
PrinterProperties锟斤拷锟斤拷
锟斤拷
DEVCAPS2锟侥★拷Device锟斤拷锟斤拷锟杰憋拷锟斤拷锟较伙拷锟斤拷一锟斤拷锟斤拷为锟斤拷Properties锟斤拷锟斤拷选锟筋。要使锟斤拷锟斤拷锟窖★拷睿拷锟斤拷鹊么锟� Device 锟斤拷锟杰憋拷锟斤拷选锟斤拷一锟斤拷印锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷选锟斤拷 Properties 锟斤拷锟斤拷时锟斤拷锟斤拷一锟斤拷锟皆伙拷锟斤拷锟介。锟皆伙拷锟斤拷锟斤拷雍味锟斤拷锟斤拷兀锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷校锟斤拷锟斤拷锟斤拷锟斤拷倩锟斤拷锟绞癸拷锟斤拷锟窖★拷锟街斤拷某叽纭ｏ拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷锟节★拷直印锟斤拷portrait锟斤拷锟斤拷锟津「猴拷印锟斤拷landscape锟斤拷锟斤拷模式锟叫斤拷锟斤拷选锟斤拷锟斤拷直印模式锟斤拷一锟斤拷为锟节讹拷模式锟斤拷锟铰ｏ拷纸锟侥短憋拷锟角讹拷锟斤拷锟斤拷锟节猴拷印模式锟铰ｏ拷纸锟侥筹拷锟斤拷锟角讹拷锟斤拷锟斤拷锟斤拷锟斤拷谋锟斤拷模式锟斤拷锟斤拷锟斤拷锟斤拷锟侥改变将锟斤拷DEVCAPS2锟斤拷式锟斤拷GetDeviceCaps锟斤拷式取锟矫碉拷锟斤拷讯锟叫凤拷应锟斤拷锟斤拷锟斤拷水平锟竭达拷徒锟斤拷锟斤拷冉锟斤拷氪怪憋拷叽锟酵斤拷锟斤拷锟饺斤拷锟斤拷锟斤拷锟斤拷色锟斤拷图锟斤拷锟侥★拷Properties锟斤拷锟皆伙拷锟斤拷锟斤拷锟斤拷锟斤拷十锟街广泛锟斤拷锟斤拷锟斤拷要锟斤拷使锟斤拷锟斤拷锟斤拷锟诫安装锟节伙拷图锟斤拷锟斤拷之锟斤拷锟绞碉拷锟斤拷色锟斤拷使锟斤拷之锟斤拷图纸锟斤拷锟斤拷透锟斤拷锟斤拷片锟斤拷锟斤拷锟酵号★拷
锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷为ExtDeviceMode锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷卸曰锟斤拷锟斤拷椴拷锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷锟斤拷些印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式也锟斤拷锟斤拷些锟斤拷讯锟斤拷锟斤拷锟斤拷系统锟斤拷录锟斤拷锟皆硷拷拥锟叫的诧拷锟斤拷锟叫ｏ拷锟斤拷些锟斤拷然锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷讯锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟铰达拷执锟斤拷Windows时锟斤拷锟斤拷取锟斤拷锟斤拷讯锟斤拷
锟斤拷锟斤拷使锟斤拷锟斤拷选锟斤拷印锟斤拷锟斤拷锟斤拷Windows锟斤拷式通锟斤拷只锟斤拷锟斤拷PrintDlg锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷展示锟矫凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷玫暮锟绞斤拷锟阶硷拷锟斤拷锟接∈憋拷锟斤拷锟斤拷使锟斤拷锟斤拷之锟斤拷锟斤拷锟叫碉拷通讯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷懈谋洹ｏ拷锟绞癸拷锟斤拷叩锟斤拷锟斤拷锟絇roperties锟斤拷锟斤拷钮时锟斤拷PrintDlg锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆憋拷锟斤拷曰锟斤拷锟斤拷椤�
锟斤拷式锟斤拷锟斤拷锟斤拷通锟斤拷直锟接猴拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷ExtDeviceMode锟斤拷ExtDeveModePropSheet锟斤拷式锟斤拷锟斤拷锟斤拷示印锟斤拷锟斤拷锟斤拷锟斤拷锟皆对伙拷锟斤拷锟介，然锟斤拷锟斤拷锟揭诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷DEVCAPS2锟斤拷锟斤拷锟斤拷透锟斤拷锟斤拷锟斤拷PrinterProperties锟斤拷锟斤拷锟斤拷锟皆伙拷锟斤拷锟斤拷锟矫得多。
PrinterProperties要锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷拇锟斤拷牛锟斤拷锟斤拷锟斤拷锟酵拷锟絆penPrinter锟斤拷式锟斤拷锟矫碉拷锟斤拷锟斤拷使锟斤拷锟斤拷取锟斤拷锟斤拷锟皆憋拷锟斤拷曰锟斤拷锟斤拷锟绞憋拷锟絇rinterProperties锟斤拷锟截ｏ拷然锟斤拷使锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷ClosePrinter锟斤拷锟酵凤拷印锟斤拷锟斤拷锟斤拷锟脚★拷DEVCAPS2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷摹锟�
锟斤拷式锟斤拷锟斤拷取锟矫刚革拷锟斤拷Device锟斤拷锟杰憋拷锟斤拷选锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷疲锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷为szDevice锟斤拷锟斤拷元锟斤拷锟斤拷锟叫★拷
GetMenuString ( hMenu, nCurrentDevice, szDevice,
sizeof (szDevice) / sizeof (TCHAR), MF_BYCOMMAND) ;
然锟结，使锟斤拷OpenPrinter锟斤拷酶锟斤拷璞革拷拇锟斤拷拧锟斤拷锟斤拷锟斤拷锟叫成癸拷锟斤拷锟斤拷么锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷PrinterProperties锟斤拷锟斤拷锟皆伙拷锟斤拷锟介，然锟斤拷锟斤拷锟紺losePrinter锟酵凤拷锟借备锟斤拷锟脚ｏ拷
if (OpenPrinter (szDevice, &hPrint, NULL))
{
PrinterProperties (hwnd, hPrint) ;
ClosePrinter (hPrint) ;
}
锟斤拷锟紹itBlt支援
锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷GetDeviceCaps锟斤拷式锟斤拷取锟斤拷页锟叫匡拷锟斤拷印锟斤拷锟侥尺达拷徒锟斤拷锟斤拷龋锟酵拷锟斤拷锟斤拷锟斤拷锟斤拷虿换锟斤拷锟斤拷锟斤拷锟街斤拷拇锟叫★拷锟酵拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟脚诧拷锟斤拷锟斤拷也锟斤拷锟皆伙拷锟斤拷锟皆碉拷图锟截匡拷锟饺和高度★拷
印锟斤拷锟斤拷锟斤拷锟斤拷锟侥达拷锟斤拷锟斤拷锟窖讹拷锟斤拷锟斤拷GDI锟斤拷锟斤拷锟斤拷应锟矫筹拷式锟侥★拷通锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷某锟斤拷锟斤拷时锟斤拷GDI锟斤拷模锟斤拷锟斤拷锟斤拷罟︼拷堋锟饺伙拷锟斤拷锟斤拷锟斤拷锟接︼拷贸锟绞接︼拷锟斤拷锟斤拷燃锟斤拷摹锟�
锟斤拷RASTERCAPS锟斤拷锟斤拷位元映锟斤拷支援锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷GetDeviceCaps锟斤拷锟斤拷锟斤拷锟截碉拷RC_BITBLT位元锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷要锟斤拷印锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷位元锟斤拷示锟借备锟角凤拷锟杰斤拷锟斤拷位元锟介传锟酵★拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷锟侥★拷锟斤拷锟斤拷锟斤拷芙锟斤拷锟轿辉拷榇拷停锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷图锟斤拷却锟斤拷锟杰★拷锟斤拷锟杰达拷锟斤拷位元锟介传锟酵碉拷锟借备锟斤拷支援锟斤拷锟斤拷GDI锟斤拷式锟斤拷CreateCompatibleDC锟斤拷CreateCompatibleBitmap锟斤拷PatBlt锟斤拷BitBlt锟斤拷StretchBlt锟斤拷GrayString锟斤拷DrawIcon锟斤拷SetPixel锟斤拷GetPixel锟斤拷FloodFill锟斤拷ExtFloodFill锟斤拷FillRgn锟斤拷FrameRgn锟斤拷InvertRgn锟斤拷PaintRgn锟斤拷FillRect锟斤拷FrameRect锟斤拷InvertRect锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯锟斤拷示锟斤拷锟斤拷使锟斤拷GDI锟斤拷式锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷锟角碉拷唯一锟斤拷要锟斤拷锟斤拷
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锟斤拷
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锟斤拷式13-3 FORMFEED
FORMFEED.C
/*-----------------------------------------------------------------------
FORMFEED.C -- Advances printer to next page
(c) Charles Petzold, 1998
------------------------------------------------------------------------*/
#include <windows.h>
HDC GetPrinterDC (void) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpszCmdLine, int iCmdShow)
{
static DOCINFO di = { sizeof (DOCINFO), TEXT ("FormFeed") } ;
HDC hdcPrint = GetPrinterDC () ;
if (hdcPrint != NULL)
{
if (StartDoc (hdcPrint, &di) > 0)
if (StartPage (hdcPrint) > 0 && EndPage (hdcPrint) > 0)
EndDoc (hdcPrint) ;
DeleteDC (hdcPrint) ;
}
return 0 ;
}
锟斤拷锟斤拷锟绞揭诧拷锟揭帮拷锟斤拷式13-1锟叫碉拷GETPRNDC.C锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷取锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷ｏ拷然锟斤拷锟斤拷删锟斤拷锟斤拷锟斤拷锟解，锟斤拷式只锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节憋拷锟斤拷前锟斤拷锟斤拷锟桔癸拷锟斤拷锟侥革拷锟斤拷印锟斤拷式锟斤拷FORMFEED锟斤拷锟饺猴拷锟斤拷StartDoc锟斤拷始一锟斤拷锟铰的碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆达拷StartDoc锟斤拷锟截碉拷值锟斤拷只锟叫达拷锟斤拷值锟斤拷锟斤拷锟斤拷时锟斤拷锟脚硷拷锟斤拷锟斤拷去锟斤拷
if (StartDoc (hdcPrint, &di) > 0)
StartDoc锟侥第讹拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷DOCINFO锟结构锟斤拷指锟疥。锟矫结构锟节碉拷一锟斤拷锟斤拷位锟斤拷锟斤拷锟剿结构锟侥达拷小锟斤拷锟节第讹拷锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷锟街达拷锟斤拷FormFeed锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节憋拷锟斤拷印锟斤拷锟斤拷锟节等达拷锟斤拷印时锟斤拷锟斤拷锟斤拷执锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷械摹锟紻ocument Name锟斤拷锟斤拷锟叫★拷通锟斤拷锟斤拷锟斤拷锟街达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷应锟矫筹拷式锟斤拷锟狡和憋拷锟斤拷印锟侥碉拷锟斤拷锟斤拷锟狡★拷
锟斤拷锟絊tartDoc锟缴癸拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥达拷锟斤拷值锟斤拷示锟斤拷锟斤拷锟斤拷么FORMFEED锟斤拷锟斤拷StartPage锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷EndPage锟斤拷锟斤拷一锟斤拷锟斤拷印锟斤拷锟斤拷锟狡斤拷锟斤拷锟铰碉拷一页锟斤拷锟劫次对达拷锟斤拷值锟斤拷锟叫诧拷锟皆ｏ拷
if (StartPage (hdcPrint) > 0 && EndPage (hdcPrint) > 0)
锟斤拷锟结，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷募锟斤拷徒锟斤拷锟斤拷锟�
EndDoc (hdcPrint) ;
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锟斤拷锟斤拷锟叫达拷锟組S-DOS锟铰的硷拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷纸锟侥筹拷式锟斤拷锟斤拷应锟斤拷知锟斤拷锟斤拷锟斤拷於达拷锟斤拷锟接★拷锟斤拷锟斤拷锟紸SCII锟斤拷12锟斤拷锟斤拷锟斤拷纸锟斤拷为什么锟斤拷锟津单碉拷使锟斤拷C锟侥筹拷式锟解函式open锟斤拷然锟斤拷锟斤拷write锟斤拷锟紸SCII锟斤拷12锟截ｏ拷锟斤拷然锟斤拷锟斤拷锟斤拷全锟斤拷锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷锟角憋拷锟斤拷确锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谴锟斤拷胁锟斤拷锟斤拷遣锟斤拷胁锟斤拷锟饺伙拷锟斤拷锟斤拷锟揭凤拷锟斤拷锟斤拷锟侥筹拷式锟斤拷锟斤拷锟界，锟斤拷印锟斤拷锟叫筹拷式锟斤拷锟角诧拷锟斤拷锟斤拷锟斤拷使锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷希锟斤拷锟斤拷锟侥硷拷锟斤拷印锟斤拷一锟斤拷时锟斤拷锟斤拷某锟绞斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟街斤拷统锟接★拷锟斤拷锟斤拷锟斤拷圆锟斤拷裕锟斤拷锟斤拷幔拷锟斤拷锟斤拷锟斤拷锟饺凤拷锟紸SCII锟斤拷12锟角诧拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷纸锟斤拷元锟斤拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷纸锟斤拷元锟斤拷锟斤拷12锟斤拷锟斤拷实锟较ｏ拷锟斤拷PostScript锟叫碉拷锟斤拷纸锟斤拷锟斤拷悴伙拷锟�12锟斤拷锟斤拷锟角碉拷锟斤拷showpage锟斤拷
锟津单碉拷说锟斤拷锟斤拷要锟斤拷图直锟斤拷锟狡癸拷Windows锟斤拷锟斤拷应锟矫硷拷锟斤拷锟斤拷锟接★拷锟绞癸拷锟絎indows锟斤拷式锟斤拷
锟斤拷印图锟轿猴拷锟斤拷锟斤拷
锟斤拷
锟斤拷一锟斤拷Windows锟斤拷式锟叫ｏ拷锟斤拷印锟斤拷锟斤拷亩锟斤拷飧猴拷锟酵拷锟斤拷锟紽ORMFEED锟斤拷式锟竭得多，锟斤拷锟揭伙拷要锟斤拷GDI锟斤拷式锟斤拷实锟斤拷锟斤拷印一些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷写锟斤拷锟斤拷印一页锟斤拷锟街猴拷图锟轿的筹拷式锟斤拷锟斤拷锟斤拷FORMFEED锟斤拷式锟叫的凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一些锟铰的讹拷锟斤拷锟斤拷锟矫筹拷式锟斤拷锟斤拷锟斤拷锟斤拷锟芥本PRINT1锟斤拷PRINT2锟斤拷PRINT3锟斤拷为锟斤拷锟斤拷锟绞斤拷锟斤拷馗锟斤拷锟矫匡拷锟斤拷锟绞斤拷锟斤拷锟角帮拷锟斤拷锟绞撅拷锟紾ETPRNDC.C锟斤拷锟斤拷锟斤拷PRINT.C锟斤拷锟斤拷锟叫的猴拷式锟斤拷锟斤拷锟绞�13-4锟斤拷示锟斤拷
锟斤拷式13-4 PRINT
PRINT.C
/*------------------------------------------------------------------------
PRINT.C -- Common routines for Print1, Print2, and Print3
--------------------------------------------------------------------------*/
#include <windows.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
BOOL PrintMyPage (HWND) ;
extern HINSTANCE hInst ;
extern TCHAR szAppName[] ;
extern TCHAR szCaption[] ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hInst = hInstance ;
hwnd = CreateWindow (szAppName, szCaption,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
void PageGDICalls (HDC hdcPrn, int cxPage, int cyPage)
{
static TCHAR szTextStr[] = TEXT ("Hello, Printer!") ;
Rectangle (hdcPrn, 0, 0, cxPage, cyPage) ;
MoveToEx (hdcPrn, 0, 0, NULL) ;
LineTo (hdcPrn, cxPage, cyPage) ;
MoveToEx (hdcPrn, cxPage, 0, NULL) ;
LineTo (hdcPrn, 0, cyPage) ;
SaveDC (hdcPrn) ;
SetMapMode (hdcPrn, MM_ISOTROPIC) ;
SetWindowExtEx (hdcPrn, 1000, 1000, NULL) ;
SetViewportExtEx (hdcPrn, cxPage / 2, -cyPage / 2, NULL) ;
SetViewportOrgEx (hdcPrn, cxPage / 2, cyPage / 2, NULL) ;
Ellipse (hdcPrn, -500, 500, 500, -500) ;
SetTextAlign (hdcPrn, TA_BASELINE | TA_CENTER) ;
TextOut (hdcPrn, 0, 0, szTextStr, lstrlen (szTextStr)) ;
RestoreDC (hdcPrn, -1) ;
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static int cxClient, cyClient ;
HDC hdc ;
HMENU hMenu ;
PAINTSTRUCT ps ;
switch (message)
{
case WM_CREATE:
hMenu = GetSystemMenu (hwnd, FALSE) ;
AppendMenu (hMenu, MF_SEPARATOR, 0, NULL) ;
AppendMenu (hMenu, 0, 1, TEXT ("&Print")) ;
return 0 ;
case WM_SIZE:
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
return 0 ;
case WM_SYSCOMMAND:
if (wParam == 1)
{
if (!PrintMyPage (hwnd))
MessageBox (hwnd, TEXT ("Could not print page!"),
szAppName, MB_OK | MB_ICONEXCLAMATION) ;
return 0 ;
}
break ;
case WM_PAINT :
hdc = BeginPaint (hwnd, &ps) ;
PageGDICalls (hdc, cxClient, cyClient) ;
EndPaint (hwnd, &ps) ;
return 0 ;
case WM_DESTROY :
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
PRINT.C锟斤拷锟斤拷锟斤拷式WinMain锟斤拷WndProc锟皆硷拷一锟斤拷锟斤拷为PageGDICalls锟侥猴拷式锟斤拷PageGDICalls锟斤拷式锟斤拷锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印页锟斤拷锟斤拷燃锟斤拷叨鹊谋锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷围锟斤拷锟斤拷页锟斤拷木锟斤拷危锟斤拷锟斤拷锟斤拷锟斤拷越锟斤拷撸锟揭筹拷屑锟斤拷锟揭伙拷锟斤拷锟皆诧拷锟斤拷锟街憋拷锟斤拷锟接★拷锟斤拷锟斤拷叨群涂锟斤拷锟斤拷薪锟叫★拷锟斤拷歉锟斤拷锟揭伙拷耄╋拷锟斤拷锟斤拷帧锟紿ello, Printer!锟斤拷位锟斤拷锟皆诧拷锟斤拷屑洹�
锟斤拷锟斤拷WM_CREATE讯息时锟斤拷WndProc锟斤拷一锟斤拷锟斤拷Print锟斤拷选锟斤拷拥锟较低筹拷锟斤拷鼙锟斤拷稀锟窖★拷锟斤拷选锟筋将锟斤拷锟斤拷PrintMyPage锟斤拷锟剿猴拷式锟侥癸拷锟斤拷锟节筹拷式锟斤拷锟斤拷锟斤拷锟芥本锟叫斤拷锟斤拷锟斤拷锟斤拷强锟斤拷锟斤拷锟斤拷印锟缴癸拷时锟斤拷PrintMyPage锟斤拷锟斤拷TRUE值锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞憋拷虼锟紽ALSE锟斤拷锟斤拷锟絇rintMyPage锟斤拷锟斤拷FALSE锟斤拷WndProc锟酵伙拷锟斤拷示一锟斤拷讯息锟斤拷锟斤拷锟皆革拷知使锟斤拷锟竭凤拷锟斤拷锟剿达拷锟斤拷
锟斤拷印锟侥伙拷锟斤拷锟斤拷锟斤拷
锟斤拷
锟斤拷印锟斤拷式锟侥碉拷一锟斤拷锟芥本锟斤拷PRINT1锟斤拷锟斤拷锟斤拷式13-5锟斤拷锟斤拷锟斤拷锟斤拷锟结即锟斤拷执锟叫此筹拷式锟斤拷然锟斤拷锟较低筹拷锟斤拷鼙锟斤拷锟窖★拷锟絇rint锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷GDI锟斤拷锟斤拷要锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷荽娴碉拷锟斤拷校锟饺伙拷锟斤拷锟接★拷锟斤拷谐锟绞斤拷锟斤拷锟斤拷锟斤拷透锟接★拷锟斤拷锟斤拷锟�
锟斤拷式13-5 PRINT1
PRINT1.C
/*---------------------------------------------------------------------
PRINT1.C -- Bare Bones Printing
(c) Charles Petzold, 1998
----------------------------------------------------------------------*/
#include <windows.h>
HDC GetPrinterDC (void) ; // in GETPRNDC.C
void PageGDICalls (HDC, int, int) ; // in PRINT.C
HINSTANCE hInst ;
TCHAR szAppName[] = TEXT ("Print1") ;
TCHAR szCaption[] = TEXT ("Print Program 1") ;
BOOL PrintMyPage (HWND hwnd)
{
static DOCINFO di = { sizeof (DOCINFO), TEXT ("Print1: Printing") } ;
BOOL bSuccess = TRUE ;
HDC hdcPrn ;
int xPage, yPage ;
if (NULL == (hdcPrn = GetPrinterDC ()))
return FALSE ;
xPage = GetDeviceCaps (hdcPrn, HORZRES) ;
yPage = GetDeviceCaps (hdcPrn, VERTRES) ;
if (StartDoc (hdcPrn, &di) > 0)
{
if (StartPage (hdcPrn) > 0)
{
PageGDICalls (hdcPrn, xPage, yPage) ;
if (EndPage (hdcPrn) > 0)
EndDoc (hdcPrn) ;
else
bSuccess = FALSE ;
}
}
else
bSuccess = FALSE ;
DeleteDC (hdcPrn) ;
return bSuccess ;
}
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷PRINT1.C锟叫的筹拷式锟诫。锟斤拷锟絇rintMyPage锟斤拷锟斤拷取锟斤拷印锟斤拷锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚ｏ拷锟斤拷锟酵达拷锟斤拷FALSE锟斤拷锟斤拷锟斤拷WndProc锟斤拷示讯息锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷晒锟饺★拷锟斤拷锟阶帮拷锟斤拷锟斤拷荽锟斤拷牛锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟紾etDeviceCaps锟斤拷确锟斤拷页锟斤拷锟剿斤拷痛锟街憋拷锟叫★拷锟斤拷锟酵硷拷锟轿拷锟轿伙拷锟斤拷锟�
xPage = GetDeviceCaps (hdcPrn, HORZRES) ; yPage = GetDeviceCaps (hdcPrn, VERTRES) ;
锟解不锟斤拷纸锟斤拷全锟斤拷锟斤拷小锟斤拷只锟斤拷纸锟侥匡拷锟斤拷印锟斤拷锟津。猴拷锟斤拷锟结，锟斤拷锟斤拷PRINT1锟斤拷StartPage锟斤拷EndPage锟斤拷锟斤拷之锟斤拷锟斤拷锟絇ageGDICalls锟斤拷PRINT1锟斤拷PrintMyPage锟斤拷式锟叫的筹拷式锟斤拷锟节结构锟斤拷锟斤拷FORMFEED锟叫的筹拷式锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷StartDoc锟斤拷StartPage锟斤拷EndPage锟斤拷锟缴癸拷时锟斤拷PRINT1锟脚猴拷锟斤拷EndDoc锟斤拷印锟斤拷式锟斤拷
使锟矫凤拷锟斤拷锟斤拷锟斤拷锟斤拷取锟斤拷锟斤拷印
锟斤拷
锟斤拷於达拷锟斤拷锟侥硷拷锟斤拷锟斤拷式应锟斤拷锟结供使锟斤拷锟斤拷锟斤拷应锟矫筹拷式锟斤拷印锟节硷拷取锟斤拷锟斤拷印锟斤拷锟斤拷谋锟斤拷锟斤拷浴锟揭诧拷锟绞癸拷锟斤拷锟街灰拷锟接★拷募锟斤拷械锟揭灰筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟接∪拷锟斤拷锟�537页锟斤拷应锟斤拷要锟斤拷锟斤拷印锟斤拷全锟斤拷锟斤拷537页之前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷一锟斤拷锟斤拷式锟斤拷取锟斤拷一锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷要一锟街憋拷锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟津」的硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节筹拷式锟斤拷只锟角革拷锟斤拷小锟斤拷锟斤拷锟斤拷锟绞斤拷锟绞癸拷锟斤拷呖锟斤拷锟绞癸拷锟絊etAbortProc锟斤拷式锟斤拷锟矫猴拷式锟斤拷位址锟斤拷锟斤拷Windows锟斤拷然锟斤拷GDI锟斤拷锟斤拷印时锟斤拷锟截革拷锟斤拷锟叫该筹拷锟津，诧拷锟较碉拷锟绞ｏ拷锟斤拷锟斤拷锟角凤拷应锟矫硷拷锟斤拷锟斤拷印锟斤拷锟斤拷
锟斤拷锟角匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷拥锟斤拷锟接★拷锟斤拷锟斤拷锟绞斤拷锟饺ワ拷锟揭┦裁达拷锟饺伙拷锟斤拷锟揭恍╋拷锟街δ╋拷凇锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟轿狝bortProc锟斤拷锟斤拷锟斤拷式为锟斤拷
BOOL CALLBACK AbortProc (HDC hdcPrn, int iCode)
{
//锟斤拷锟斤拷锟叫筹拷式
}
锟斤拷印前锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷SetAbortProc锟斤拷锟角记凤拷锟斤拷锟斤拷锟斤拷
SetAbortProc (hdcPrn, AbortProc) ;
锟节猴拷锟斤拷StartDoc前锟斤拷锟斤拷锟斤拷锟斤拷暮锟绞斤拷锟斤拷锟接★拷锟斤拷锟结不锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟节达拷锟斤拷EndPage锟斤拷锟斤拷时锟斤拷锟洁即锟斤拷锟节斤拷metafile锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷印锟斤拷锟斤拷时锟斤拷锟斤拷GDI锟斤拷锟斤拷锟斤拷锟叫凤拷锟斤拷锟斤拷锟津。诧拷锟斤拷hdcPrn锟斤拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚★拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟絠Code锟斤拷锟斤拷锟斤拷0锟斤拷锟斤拷锟紾DI模锟斤拷锟斤拷锟斤拷锟斤拷锟捷存档锟斤拷时锟侥撅拷锟剿磁碉拷锟秸间，iCode锟斤拷锟斤拷SP_OUTOFDISK锟斤拷
锟斤拷锟斤拷锟接★拷锟揭碉拷锟斤拷锟斤拷锟斤拷锟矫碅bortProc锟斤拷锟诫传锟斤拷TRUE锟斤拷锟斤拷锟姐）锟斤拷锟斤拷锟斤拷锟接★拷锟揭碉拷斐ｏ拷锟斤拷锟斤拷锟斤拷痛锟斤拷锟紽ALSE锟斤拷锟姐）锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷员锟斤拷锟轿拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟绞斤拷锟�
BOOL CALLBACK AbortProc (HDC hdcPrn, int iCode)
{
MSG msg ;
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return TRUE ;
}
锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷械锟斤拷锟斤拷猓拷锟绞碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖断拷锟饺︼拷锟绞癸拷锟斤拷呋锟阶拷獾斤拷锟斤拷锟斤拷锟斤拷讯息锟斤拷圈锟斤拷锟斤拷锟斤拷PeekMessage锟斤拷锟斤拷锟斤拷GetMessage锟斤拷锟斤拷锟节碉拷锟斤拷锟铰碉拷RANDRECT锟斤拷式锟斤拷锟斤拷锟桔癸拷PeekMessage锟斤拷应锟矫伙拷锟角得ｏ拷PeekMessage锟斤拷锟斤拷锟斤拷锟饺拷锟斤拷馗锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷艹锟绞斤拷锟窖断拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟窖断拷锟斤拷凇锟�
只要PeekMessage锟斤拷锟斤拷TRUE锟斤拷锟斤拷么AbortProc锟斤拷式锟叫碉拷讯息锟斤拷圈锟斤拷锟截革拷锟斤拷锟斤拷PeekMessage锟斤拷TRUE值锟斤拷示PeekMessage锟窖撅拷锟揭碉拷一锟斤拷讯息锟斤拷锟斤拷讯息锟斤拷锟斤拷通锟斤拷TranslateMessage锟斤拷DispatchMessage锟斤拷锟酵碉拷锟斤拷式锟斤拷锟接达拷讯息锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷式锟斤拷讯息锟斤拷锟斤拷锟斤拷没锟斤拷讯息锟斤拷锟斤拷PeekMessage锟侥达拷锟斤拷值为FALSE锟斤拷锟斤拷锟紸bortProc锟斤拷锟斤拷锟斤拷权锟斤拷锟截革拷Windows锟斤拷
Windows锟斤拷锟绞癸拷锟紸bortProc
锟斤拷
锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷印时锟斤拷锟襟部分癸拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷EndPage时锟斤拷锟斤拷锟斤拷EndPage前锟斤拷锟斤拷式每锟斤拷锟斤拷一锟斤拷GDI锟斤拷图锟斤拷式锟斤拷GDI模锟斤拷只锟角简单地斤拷锟斤拷一锟斤拷锟斤拷录锟接碉拷锟斤拷片锟较碉拷metafile锟叫★拷锟斤拷GDI锟矫碉拷EndPage锟结，锟斤拷锟斤拷印页锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟矫匡拷锟斤拷锟斤拷锟斤拷锟斤拷GDI锟斤拷锟斤拷锟斤拷metafile锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟斤拷式锟叫★拷然锟结，GDI锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷娴揭伙拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷没锟斤拷锟斤拷锟斤拷幕锟斤拷锟斤拷印锟斤拷锟斤拷么GDI模锟斤拷锟斤拷锟斤拷远锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷写锟斤拷印锟斤拷锟斤拷锟斤拷
锟斤拷EndPage锟斤拷锟斤拷锟节间，GDI模锟斤拷锟斤拷锟斤拷锟斤拷瓒拷姆锟斤拷锟斤拷锟斤拷锟酵拷锟絠Code锟斤拷锟斤拷为0锟斤拷锟斤拷锟斤拷锟斤拷锟届洞锟斤拷锟轿达拷锟接★拷锟斤拷锟斤拷锟斤拷荽娴碉拷锟斤拷锟斤拷锟斤拷锟斤拷GDI执锟斤拷时锟脚碉拷锟秸间不锟斤拷锟斤拷iCode锟斤拷锟斤拷锟斤拷为SP_OUTOFDISK锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷锟斤拷锟斤拷锟斤拷锟斤拷愿锟解，锟斤拷锟斤拷锟皆斤拷锟叫硷拷椋╋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷PeekMessage锟斤拷圈锟斤拷锟皆硷拷锟斤拷讯息锟斤拷锟斤拷锟斤拷锟斤拷寻讯息锟斤拷
锟斤拷锟斤拷诔锟绞斤拷锟窖断拷锟斤拷锟斤拷锟矫伙拷锟窖断拷锟絇eekMessage锟结传锟斤拷FALSE锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖断拷锟饺︼拷锟斤拷锟紾DI模锟介传锟斤拷一锟斤拷TRUE值锟斤拷指示锟斤拷印应锟矫硷拷锟斤拷锟斤拷锟叫★拷然锟斤拷GDI模锟斤拷锟斤拷锟斤拷锟斤拷锟紼ndPage锟斤拷锟叫★拷
锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟矫碐DI锟斤拷锟斤拷止锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭匡拷锟斤拷锟斤拷锟斤拷锟绞癸拷锟斤拷锟饺★拷锟斤拷锟接★拷锟轿拷耍锟斤拷锟斤拷腔锟斤拷锟揭伙拷锟斤拷锟绞撅拷锟紺ancel锟斤拷锟斤拷钮锟侥对伙拷锟斤拷锟介，锟斤拷锟斤拷锟角诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥诧拷锟借。锟斤拷锟饺ｏ拷锟斤拷锟斤拷锟节斤拷锟斤拷PRINT2锟斤拷式时锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷PRINT3锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟叫★拷Cancel锟斤拷锟斤拷钮锟侥对伙拷锟斤拷锟介，使锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谩锟�
实锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷
锟斤拷锟节匡拷锟劫革拷习一锟铰凤拷锟斤拷锟斤拷锟斤拷幕锟斤拷啤锟斤拷锟斤拷远锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟绞撅拷姆锟斤拷锟斤拷锟斤拷锟�
BOOL CALLBACK AbortProc (HDC hdcPrn, int iCode)
{
MSG msg ;
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return TRUE ;
}
锟斤拷锟斤拷锟斤拷锟斤拷印什么时锟斤拷使锟斤拷锟斤拷锟斤拷暮锟斤拷薪锟街革拷锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷甏拷锟絎indows锟斤拷
SetAbortProc (hdcPrn, AbortProc) ;
锟节猴拷锟斤拷StartDoc之前锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷芯锟斤拷锟斤拷恕锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟斤拷么锟津单★拷锟斤拷锟角猴拷锟斤拷锟斤拷AbortProc锟斤拷锟斤拷锟斤拷PeekMessage锟斤拷圈锟斤拷锟斤拷锟斤拷猓拷锟斤拷歉锟斤拷艽锟斤拷锟斤拷锟解。只锟斤拷锟节筹拷式锟斤拷锟斤拷锟接★拷锟斤拷锟绞憋拷锟紸bortProc锟斤拷锟斤拷呕岜伙拷锟斤拷小锟斤拷锟斤拷锟斤拷AbortProc锟斤拷锟揭碉拷一锟斤拷讯息锟斤拷锟斤拷锟斤拷锟斤拷锟酵革拷锟接达拷讯息锟斤拷锟斤拷锟斤拷式锟斤拷锟酵会发锟斤拷一些锟角筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷椋菏癸拷锟斤拷呖锟斤拷源庸锟斤拷鼙锟斤拷锟斤拷俅锟窖★拷锟絇rint锟斤拷锟斤拷锟斤拷锟斤拷式锟窖撅拷锟斤拷锟斤拷锟接★拷锟绞街拷小锟斤拷锟绞斤拷锟斤拷锟接∏耙伙拷锟斤拷锟斤拷锟斤拷锟酵憋拷锟绞癸拷锟斤拷锟揭诧拷锟斤拷园锟揭伙拷锟斤拷碌锟斤拷锟斤拷锟斤拷氲斤拷锟绞斤拷铩Ｊ癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷顺锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷耍锟斤拷锟斤拷锟绞癸拷锟斤拷叱锟绞斤拷锟斤拷哟锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷式执锟叫斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟斤拷效锟斤拷锟接达拷锟斤拷式之锟解，锟斤拷锟睫达拷锟斤拷去锟斤拷
锟斤拷锟街讹拷锟斤拷锟斤拷锟斤拷烁锟斤拷锟斤拷头转锟津，讹拷锟斤拷锟角的筹拷式锟皆此诧拷未锟斤拷锟轿猴拷准锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷原锟津，碉拷锟借定锟斤拷锟斤拷锟斤拷锟斤拷时锟斤拷锟斤拷锟斤拷应锟斤拷止锟斤拷式锟斤拷锟接达拷锟斤拷锟斤拷锟斤拷锟诫，使锟斤拷锟斤拷锟杰斤拷锟杰硷拷锟教和伙拷锟斤拷锟斤拷锟诫。锟斤拷锟斤拷锟斤拷锟斤拷锟铰的猴拷式锟斤拷锟斤拷锟斤拷罟わ拷锟斤拷锟�
EnableWindow (hwnd, FALSE) ;
锟斤拷锟斤拷锟皆斤拷止锟斤拷锟教和伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷讯息锟斤拷锟叫★拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷校锟绞癸拷锟斤拷卟锟斤拷芏猿锟绞斤拷锟斤拷魏喂锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷时锟斤拷应锟斤拷锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷锟斤拷锟诫：
EnableWindow (hwnd, TRUE) ;
锟斤拷锟斤拷锟斤拷要锟绞ｏ拷锟斤拷然没锟叫硷拷锟教伙拷锟斤拷讯息锟斤拷锟斤拷讯息锟斤拷锟叫ｏ拷为什么锟斤拷锟角伙拷要锟斤拷锟斤拷AbortProc锟叫碉拷TranslateMessage锟斤拷DispatchMessage锟斤拷锟斤拷锟截ｏ拷实锟斤拷锟较诧拷锟斤拷一锟斤拷锟角碉拷锟斤拷要TranslateMessage锟斤拷锟斤拷锟角ｏ拷锟斤拷锟角憋拷锟斤拷使锟斤拷DispatchMessage锟斤拷锟斤拷锟斤拷WM_PAINT讯息锟斤拷锟斤拷讯息锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷WM_PAINT讯息没锟叫得碉拷锟接达拷讯息锟斤拷锟斤拷锟斤拷式锟叫碉拷BeginPaint锟斤拷EndPaint锟斤拷锟绞碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟絇eekMessage锟斤拷锟劫达拷锟斤拷FALSE锟斤拷锟斤拷讯息锟酵伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫诧拷锟揭凤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷印锟节硷拷锟斤拷止锟接达拷锟斤拷锟斤拷锟斤拷锟斤拷讯息时锟斤拷锟斤拷锟侥筹拷式锟斤拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷使锟斤拷锟竭匡拷锟斤拷锟叫伙拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥伙拷锟斤拷锟接★拷锟绞斤拷锟斤拷芗锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵碉拷印锟斤拷锟斤拷锟斤拷
锟斤拷式13-6锟斤拷示锟斤拷PRINT2锟斤拷式锟斤拷PRINT1锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷捅锟揭拷锟街г拷锟斤拷锟斤拷锟紸bortProc锟斤拷式锟斤拷锟斤拷锟斤拷EnableWindow锟斤拷锟轿ｏ拷锟斤拷一锟斤拷锟斤拷止锟接达拷锟斤拷锟斤拷锟斤拷锟斤拷讯息锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷
锟斤拷式13-6 PRINT2
PRINT2.C
/*---------------------------------------------------------------------
PRINT2.C -- Printing with Abort Procedure
(c) Charles Petzold, 1998
----------------------------------------------------------------------*/
#include <windows.h>
HDC GetPrinterDC (void) ; // in GETPRNDC.C
void PageGDICalls (HDC, int, int) ; // in PRINT.C
HINSTANCE hInst ;
TCHAR szAppName[] = TEXT ("Print2") ;
TCHAR szCaption[] = TEXT ("Print Program 2 (Abort Procedure)") ;
BOOL CALLBACK AbortProc (HDC hdcPrn, int iCode)
{
MSG msg ;
while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return TRUE ;
}
BOOL PrintMyPage (HWND hwnd)
{
static DOCINFO di = { sizeof (DOCINFO), TEXT ("Print2: Printing") } ;
BOOL bSuccess = TRUE ;
HDC hdcPrn ;
short xPage, yPage ;
if (NULL == (hdcPrn = GetPrinterDC ()))
return FALSE ;
xPage = GetDeviceCaps (hdcPrn, HORZRES) ;
yPage = GetDeviceCaps (hdcPrn, VERTRES) ;
EnableWindow (hwnd, FALSE) ;
SetAbortProc (hdcPrn, AbortProc) ;
if (StartDoc (hdcPrn, &di) > 0)
{
if (StartPage (hdcPrn) > 0)
{
PageGDICalls (hdcPrn, xPage, yPage) ;
if (EndPage (hdcPrn) > 0)
EndDoc (hdcPrn) ;
else
bSuccess = FALSE ;
}
}
else
bSuccess = FALSE ;
EnableWindow (hwnd, TRUE) ;
DeleteDC (hdcPrn) ;
return bSuccess ;
}
锟斤拷锟斤拷锟斤拷印锟皆伙拷锟斤拷锟斤拷
锟斤拷
PRINT2锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷十锟斤拷锟斤拷锟解。锟斤拷锟饺ｏ拷锟斤拷锟斤拷锟绞矫伙拷锟街憋拷锟街甘撅拷锟斤拷锟绞憋拷锟绞硷拷锟接★拷秃锟绞憋拷锟斤拷锟斤拷锟接★拷锟街伙拷薪锟斤拷锟斤拷锟街革拷锟斤拷式锟斤拷锟揭凤拷锟斤拷锟斤拷没锟叫凤拷应时锟斤拷锟斤拷锟杰断讹拷锟斤拷锟斤拷然锟节达拷锟斤拷PrintMyPage锟斤拷式锟斤拷PRINT2锟节斤拷锟叫憋拷锟斤拷锟斤拷锟斤拷时也没锟叫革拷使锟斤拷锟斤拷锟结供取锟斤拷锟斤拷印锟斤拷业锟侥伙拷锟结。
锟斤拷锟斤拷锟斤拷注锟解到锟斤拷锟斤拷锟斤拷锟絎indows锟斤拷式锟斤拷为使锟斤拷锟斤拷锟结供锟斤拷一锟斤拷取锟斤拷目前锟斤拷锟节斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟侥伙拷锟结。一锟斤拷小锟侥对伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟接┠伙拷希锟斤拷锟斤拷锟斤拷锟揭恍╋拷锟斤拷趾汀锟紺ancel锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷GDI锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷娴斤拷锟狡拷锟斤拷锟斤拷锟斤拷锟斤拷停锟斤拷锟斤拷印锟斤拷锟叫筹拷式锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟节间，锟斤拷式锟斤拷锟斤拷示锟斤拷锟斤拷曰锟斤拷锟斤拷椤ｏ拷锟斤拷锟揭伙拷锟斤拷锟较低衬Ｌ拷曰锟斤拷锟斤拷椋拷锟斤拷锟斤拷锟斤拷峁╋拷曰锟斤拷锟斤拷锟�
通锟斤拷锟斤拷锟斤拷锟斤拷曰锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷曰锟斤拷锟斤拷椤癸拷锟斤拷锟斤拷锟斤拷侄曰锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷曰锟斤拷锟斤拷颉埂锟轿拷烁锟斤拷锟斤拷锟截帮拷锟斤拷锟酵★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角筹拷锟斤拷锟街对伙拷锟斤拷锟斤拷为锟斤拷锟斤拷印锟皆伙拷锟斤拷锟津」★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷为AbortProc锟斤拷锟斤拷锟斤拷印锟皆伙拷锟斤拷锟津（斤拷锟斤拷锟斤拷为PrintDlgProc锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷专业锟斤拷Windows式锟斤拷印锟斤拷式锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟酵憋拷锟斤拷拥锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷式锟侥斤拷锟斤拷锟斤拷锟矫凤拷式锟斤拷锟铰ｏ拷AbortProc锟叫碉拷PeekMessage锟斤拷圈锟矫憋拷锟睫改ｏ拷锟皆便将锟斤拷系统模态锟皆伙拷锟斤拷锟斤拷锟窖断拷锟斤拷透锟斤拷曰锟斤拷锟斤拷锟斤拷哟锟窖断拷锟斤拷锟斤拷锟绞斤拷锟絇rintDlgProc锟斤拷锟诫处锟斤拷WM_COMMAND讯息锟斤拷锟皆硷拷椤窩ancel锟斤拷锟斤拷钮锟斤拷状态锟斤拷锟斤拷锟斤拷锟紺ancel锟斤拷钮锟斤拷锟斤拷锟铰ｏ拷锟酵斤拷一锟斤拷锟斤拷锟斤拷bUserAbort锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿猅RUE锟斤拷AbortProc锟斤拷锟截碉拷值锟斤拷锟矫猴拷bUserAbort锟洁反锟斤拷锟斤拷锟斤拷锟杰伙拷锟角得ｏ拷锟斤拷锟紸bortProc锟斤拷锟斤拷TRUE锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟紽ALSE锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟絇RINT2锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟角达拷锟斤拷TRUE锟斤拷锟斤拷锟节ｏ拷使锟斤拷锟斤拷锟斤拷锟斤拷印锟皆伙拷锟斤拷锟斤拷锟叫帮拷锟铰★拷Cancel锟斤拷锟斤拷钮时锟斤拷锟斤拷锟斤拷FALSE锟斤拷锟斤拷式13-7锟斤拷示锟斤拷PRINT3锟斤拷式实锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟�
锟斤拷式13-7 PRINT3
PRINT3.C
/*-----------------------------------------------------------------
PRINT3.C -- Printing with Dialog Box
(c) Charles Petzold, 1998
-------------------------------------------------------------------*/
#include <windows.h>
HDC GetPrinterDC (void) ; // in GETPRNDC.C
void PageGDICalls (HDC, int, int) ; // in PRINT.C
HINSTANCE hInst ;
TCHAR szAppName[] = TEXT ("Print3") ;
TCHAR szCaption[] = TEXT ("Print Program 3 (Dialog Box)") ;
BOOL bUserAbort ;
HWND hDlgPrint ;
BOOL CALLBACK PrintDlgProc (HWND hDlg, UINT message,
WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
SetWindowText (hDlg, szAppName) ;
EnableMenuItem (GetSystemMenu (hDlg, FALSE), SC_CLOSE, MF_GRAYED) ;
return TRUE ;
case WM_COMMAND:
bUserAbort = TRUE ;
EnableWindow (GetParent (hDlg), TRUE) ;
DestroyWindow (hDlg) ;
hDlgPrint = NULL ;
return TRUE ;
}
return FALSE ;
}
BOOL CALLBACK AbortProc (HDC hdcPrn, int iCode)
{
MSG msg ;
while (!bUserAbort && PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
if (!hDlgPrint || !IsDialogMessage (hDlgPrint, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return !bUserAbort ;
}
BOOL PrintMyPage (HWND hwnd)
{
static DOCINFO di = { sizeof (DOCINFO), TEXT ("Print3: Printing") } ;
BOOL bSuccess = TRUE ;
HDC hdcPrn ;
int xPage, yPage ;
if (NULL == (hdcPrn = GetPrinterDC ()))
return FALSE ;
xPage = GetDeviceCaps (hdcPrn, HORZRES) ;
yPage = GetDeviceCaps (hdcPrn, VERTRES) ;
EnableWindow (hwnd, FALSE) ;
bUserAbort = FALSE ;
hDlgPrint = CreateDialog (hInst, TEXT ("PrintDlgBox"),
hwnd, PrintDlgProc) ;
SetAbortProc (hdcPrn, AbortProc) ;
if (StartDoc (hdcPrn, &di) > 0)
{
if (StartPage (hdcPrn) > 0)
{
PageGDICalls (hdcPrn, xPage, yPage) ;
if (EndPage (hdcPrn) > 0)
EndDoc (hdcPrn) ;
else
bSuccess = FALSE ;
}
}
else
bSuccess = FALSE ;
if (!bUserAbort)
{
EnableWindow (hwnd, TRUE) ;
DestroyWindow (hDlgPrint) ;
}
DeleteDC (hdcPrn) ;
return bSuccess && !bUserAbort ;
}
PRINT.RC 锟斤拷摘录锟斤拷
//Microsoft Developer Studio generated resource script.
#include "resource.h"
#include "afxres.h"
/////////////////////////////////////////////////////////////////////////////
// Dialog
PRINTDLGBOX DIALOG DISCARDABLE 20, 20, 186, 63
STYLE DS_MODALFRAME | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
FONT 8, "MS Sans Serif"
BEGIN
PUSHBUTTON "Cancel",IDCANCEL,67,42,50,14
CTEXT "Cancel Printing",IDC_STATIC,7,21,172,8
END
锟斤拷锟斤拷锟绞癸拷锟絇RINT3锟斤拷锟斤拷么锟斤拷锟斤拷锟绞憋拷锟酵Ｊ癸拷锟侥伙拷锟斤拷锟接★拷锟斤拷锟斤拷锟街伙拷锟斤拷锟斤拷锟接★拷锟斤拷谐锟绞斤拷锟絇RINT3锟叫斤拷锟斤拷锟斤拷锟斤拷时锟脚可硷拷锟斤拷锟侥★拷Cancel锟斤拷锟斤拷钮锟斤拷锟杰伙拷芸锟斤拷锟绞э拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫伙拷谢锟斤拷锟饺ワ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷Cancel锟斤拷锟斤拷钮时锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷止锟斤拷锟截憋拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟较ｏ拷锟斤拷锟斤拷要锟斤拷锟饺★拷印锟斤拷锟斤拷锟斤拷一锟斤拷锟节诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷停止之前锟斤拷锟叫碉拷锟斤拷锟较憋拷锟斤拷全锟斤拷锟酵筹拷锟斤拷锟斤拷锟斤拷Cancel锟斤拷只锟角革拷锟斤拷GDI锟斤拷要锟斤拷印锟斤拷锟斤拷锟侥伙拷锟斤拷锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷隙锟斤拷选锟�
PRINT3锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷墙锟斤拷锟絙UserAbort锟侥诧拷锟街憋拷锟斤拷锟斤拷锟斤拷一锟斤拷锟角斤拷锟斤拷hDlgPrint锟侥对伙拷锟斤拷锟斤拷锟接达拷锟斤拷锟脚★拷PrintMyPage锟斤拷式锟斤拷bUserAbort锟斤拷始锟斤拷为FALSE锟斤拷锟斤拷PRINT2一锟斤拷锟斤拷锟斤拷式锟斤拷锟斤拷锟接达拷锟角诧拷锟斤拷锟斤拷锟斤拷锟斤拷讯息锟侥★拷指锟斤拷AbortProc锟斤拷指锟斤拷锟斤拷锟絊etAbortProc锟斤拷锟斤拷锟叫ｏ拷锟斤拷指锟斤拷PrintDlgProc锟斤拷指锟斤拷锟斤拷锟紺reateDialog锟斤拷锟斤拷锟叫★拷CreateDialog锟斤拷锟截碉拷锟接达拷锟斤拷锟脚达拷锟斤拷锟斤拷hDlgPrint锟叫★拷
锟斤拷锟节ｏ拷AbortProc锟叫碉拷讯息锟斤拷圈锟斤拷锟铰ｏ拷
while (!bUserAbort && PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
if (!hDlgPrint || !IsDialogMessage (hDlgPrint, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return !bUserAbort ;
只锟斤拷锟斤拷bUserAbort为FALSE锟斤拷也锟斤拷锟斤拷使锟斤拷锟竭伙拷没锟斤拷锟斤拷止锟斤拷印锟斤拷锟斤拷时锟斤拷锟斤拷纬锟绞斤拷锟脚伙拷锟斤拷锟絇eekMessage锟斤拷IsDialogMessage锟斤拷式锟斤拷锟斤拷锟斤拷讯息锟斤拷锟酵革拷锟斤拷系统模态锟皆伙拷锟斤拷锟介。锟斤拷锟斤拷通锟侥凤拷系统模态锟皆伙拷锟斤拷锟斤拷一锟斤拷锟斤拷锟皆伙拷锟斤拷锟斤拷锟接达拷锟侥达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街帮拷艿锟斤拷锟介。AbortProc锟侥达拷锟斤拷值锟斤拷锟斤拷锟斤拷bUserAbort锟洁反锟斤拷锟斤拷始时锟斤拷bUserAbort为FALSE锟斤拷锟斤拷锟紸bortProc锟斤拷锟斤拷TRUE锟斤拷锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷bUserAbort锟斤拷锟斤拷锟斤拷锟斤拷印锟皆伙拷锟斤拷锟斤拷锟叫憋拷锟借定为TRUE锟斤拷
PrintDlgProc锟斤拷式锟斤拷锟洁当锟津单的★拷锟斤拷锟斤拷WM_INITDIALOG时锟斤拷锟矫猴拷式锟斤拷锟接达拷锟斤拷锟斤拷锟借定为锟斤拷式锟斤拷锟狡ｏ拷锟斤拷锟斤拷停锟斤拷系统锟斤拷锟杰憋拷锟较的★拷Close锟斤拷选锟筋。锟斤拷锟绞癸拷锟斤拷甙锟斤拷锟斤拷恕锟紺ancel锟斤拷钮锟斤拷PrintDlgProc锟斤拷锟秸碉拷WM_COMMAND讯息锟斤拷
case WM_COMMAND :
bUserAbort = TRUE ;
EnableWindow (GetParent (hDlg), TRUE) ;
DestroyWindow (hDlg) ;
hDlgPrint = NULL ;
return TRUE ;
锟斤拷bUserAbort锟借定为TRUE锟斤拷锟斤拷说锟斤拷使锟斤拷锟斤拷锟窖撅拷锟斤拷锟斤拷取锟斤拷锟斤拷印锟斤拷锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆伙拷锟斤拷锟介被锟斤拷锟斤拷锟斤拷锟剿筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷疃拷呛锟斤拷锟揭拷模锟斤拷锟斤拷锟斤拷锟絎indows锟斤拷执锟斤拷锟斤拷锟斤拷锟斤拷式之一锟斤拷锟斤拷苫疃拷锟绞斤拷锟斤拷锟斤拷锟斤拷某锟绞斤拷锟斤拷锟绞э拷锟斤拷锟斤拷锟斤拷校锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷hDlgPrint锟借定为NULL锟斤拷锟斤拷止锟斤拷讯息锟斤拷圈锟叫猴拷锟斤拷IsDialogMessage锟斤拷
只锟斤拷锟斤拷AbortProc锟斤拷PeekMessage锟揭碉拷讯息锟斤拷锟斤拷锟斤拷IsDialogMessage锟斤拷锟斤拷锟角达拷锟酵革拷锟皆伙拷锟斤拷锟斤拷锟接达拷讯息锟斤拷锟斤拷锟斤拷式时锟斤拷锟斤拷锟斤拷曰锟斤拷锟斤拷锟脚斤拷锟斤拷讯息锟斤拷只锟斤拷锟斤拷GDI模锟介处锟斤拷EndPage锟斤拷式时锟斤拷锟脚猴拷锟斤拷AbortProc锟斤拷锟斤拷锟紾DI锟斤拷锟斤拷AbortProc锟侥达拷锟斤拷值锟斤拷FALSE锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷权锟斤拷EndPage锟斤拷锟截碉拷PrintMyPage锟斤拷锟斤拷锟斤拷锟斤拷锟截达拷锟斤拷锟诫。锟斤拷锟剿ｏ拷PrintMyPage锟斤拷为锟斤拷印页锟窖撅拷锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷EndDoc锟斤拷式锟斤拷锟斤拷锟角ｏ拷锟斤拷锟紾DI模锟介还没锟斤拷锟斤拷啥锟紼ndPage锟斤拷锟叫的达拷锟斤拷锟斤拷锟斤拷锟皆诧拷锟斤拷锟斤拷印锟斤拷什么锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷写锟斤拷锟缴★拷锟斤拷锟绞癸拷锟斤拷锟矫伙拷诙曰锟斤拷锟斤拷锟斤拷锟饺★拷锟斤拷锟接★拷锟揭碉拷锟斤拷锟矫达拷曰锟斤拷锟斤拷锟斤拷锟饺伙拷锟斤拷锟绞撅拷锟斤拷锟絇rintMyPage锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷锟斤拷曰锟斤拷锟斤拷椋�
if (!bUserAbort)
{
EnableWindow (hwnd, TRUE) ;
DestroyWindow (hDlgPrint) ;
}
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷通知锟斤拷锟斤拷锟斤拷锟斤拷什么锟铰ｏ拷bUserAbort锟斤拷锟皆革拷锟斤拷锟斤拷使锟斤拷锟斤拷锟角凤拷锟斤拷止锟斤拷锟斤拷印锟斤拷业锟斤拷bSuccess锟斤拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟剿癸拷锟较ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墓锟斤拷锟斤拷锟絇rintMyPage只锟津单地讹拷锟斤拷锟角斤拷锟斤拷锟竭硷拷锟较碉拷AND锟斤拷锟姐，然锟斤拷锟街碉拷锟斤拷馗锟絎ndProc锟斤拷
return bSuccess && !bUserAbort ;
为POPPAD锟斤拷锟斤拷锟斤拷印锟斤拷锟斤拷
锟斤拷
锟斤拷锟斤拷准锟斤拷锟斤拷POPPAD锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷锟杰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷POPPAD锟斤拷锟斤拷锟斤拷稀锟斤拷锟斤拷锟揭拷锟绞伙拷锟斤拷械母锟斤拷锟絇OPPAD锟斤拷锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷要锟斤拷式13-8锟叫碉拷POPPRNT.C锟斤拷锟斤拷锟斤拷
锟斤拷式13-8 POPPRNT
POPPRNT.C
/*---------------------------------------------------------------------
POPPRNT.C -- Popup Editor Printing Functions
-----------------------------------------------------------------------*/
#include <windows.h>
#include <commdlg.h>
#include "resource.h"
BOOL bUserAbort ;
HWND hDlgPrint ;
BOOL CALLBACK PrintDlgProc ( HWND hDlg, UINT msg, WPARAM wParam,LPARAM lParam)
{
switch (msg)
{
case WM_INITDIALOG :
EnableMenuItem (GetSystemMenu (hDlg, FALSE), SC_CLOSE, MF_GRAYED) ;
return TRUE ;
case WM_COMMAND :
bUserAbort = TRUE ;
EnableWindow (GetParent (hDlg), TRUE) ;
DestroyWindow (hDlg) ;
hDlgPrint = NULL ;
return TRUE ;
}
return FALSE ;
}
BOOL CALLBACK AbortProc (HDC hPrinterDC, int iCode)
{
MSG msg ;
while (!bUserAbort && PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
{
if (!hDlgPrint || !IsDialogMessage (hDlgPrint, &msg))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
}
return !bUserAbort ;
}
BOOL PopPrntPrintFile (HINSTANCE hInst, HWND hwnd, HWND hwndEdit,
PTSTR szTitleName)
{
static DOCINFO di = { sizeof (DOCINFO) } ;
static PRINTDLG pd ;
BOOL bSuccess ;
int yChar, iCharsPerLine, iLinesPerPage, iTotalLines,
iTotalPages, iPage, iLine, iLineNum ;
PTSTR pstrBuffer ;
TCHAR szJobName [64 + MAX_PATH] ;
TEXTMETRIC tm ;
WORD iColCopy, iNoiColCopy ;
// Invoke Print common dialog box
pd.lStructSize = sizeof (PRINTDLG) ;
pd.hwndOwner = hwnd ;
pd.hDevMode = NULL ;
pd.hDevNames = NULL ;
pd.hDC = NULL ;
pd.Flags = PD_ALLPAGES | PD_COLLATE |
PD_RETURNDC | PD_NOSELECTION ;
pd.nFromPage = 0 ;
pd.nToPage = 0 ;
pd.nMinPage = 0 ;
pd.nMaxPage = 0 ;
pd.nCopies = 1 ;
pd.hInstance = NULL ;
pd.lCustData = 0L ;
pd.lpfnPrintHook = NULL ;
pd.lpfnSetupHook = NULL ;
pd.lpPrintTemplateName = NULL ;
pd.lpSetupTemplateName = NULL ;
pd.hPrintTemplate = NULL ;
pd.hSetupTemplate = NULL ;
if (!PrintDlg (&pd))
return TRUE ;
if (0 == (iTotalLines = SendMessage (hwndEdit, EM_GETLINECOUNT, 0, 0)))
return TRUE ;
// Calculate necessary metrics for file
GetTextMetrics (pd.hDC, &tm) ;
yChar = tm.tmHeight + tm.tmExternalLeading ;
iCharsPerLine = GetDeviceCaps (pd.hDC, HORZRES) / tm.tmAveCharWidth ;
iLinesPerPage = GetDeviceCaps (pd.hDC, VERTRES) / yChar ;
iTotalPages = (iTotalLines + iLinesPerPage - 1) / iLinesPerPage ;
// Allocate a buffer for each line of text
pstrBuffer = malloc (sizeof (TCHAR) * (iCharsPerLine + 1)) ;
// Display the printing dialog box
EnableWindow (hwnd, FALSE) ;
bSuccess = TRUE ;
bUserAbort = FALSE ;
hDlgPrint = CreateDialog (hInst, TEXT ("PrintDlgBox"),
hwnd, PrintDlgProc) ;
SetDlgItemText (hDlgPrint, IDC_FILENAME, szTitleName) ;
SetAbortProc (pd.hDC, AbortProc) ;
// Start the document
GetWindowText (hwnd, szJobName, sizeof (szJobName)) ;
di.lpszDocName = szJobName ;
if (StartDoc (pd.hDC, &di) > 0)
{
// Collation requires this loop and iNoiColCopy
for (iColCopy = 0 ;
iColCopy < ((WORD) pd.Flags & PD_COLLATE ? pd.nCopies : 1) ;
iColCopy++)
{
for (iPage = 0 ; iPage < iTotalPages ; iPage++)
{
for (iNoiColCopy = 0 ;
iNoiColCopy < (pd.Flags & PD_COLLATE ? 1 : pd.nCopies);
iNoiColCopy++)
{
// Start the page
if (StartPage (pd.hDC) < 0)
{
bSuccess = FALSE ;
break ;
}
// For each page, print the lines
for (iLine = 0 ; iLine < iLinesPerPage ; iLine++)
{
iLineNum = iLinesPerPage * iPage + iLine ;
if (iLineNum > iTotalLines)
break ;
*(int *) pstrBuffer = iCharsPerLine ;
TextOut (pd.hDC, 0, yChar * iLine, pstrBuffer,
(int) SendMessage (hwndEdit, EM_GETLINE,
(WPARAM) iLineNum, (LPARAM) pstrBuffer));
}
if (EndPage (pd.hDC) < 0)
{
bSuccess = FALSE ;
break ;
}
if (bUserAbort)
break ;
}
if (!bSuccess || bUserAbort)
break ;
}
if (!bSuccess || bUserAbort)
break ;
}
}
else
bSuccess = FALSE ;
if (bSuccess)
EndDoc (pd.hDC) ;
if (!bUserAbort)
{
EnableWindow (hwnd, TRUE) ;
DestroyWindow (hDlgPrint) ;
}
free (pstrBuffer) ;
DeleteDC (pd.hDC) ;
return bSuccess && !bUserAbort ;
}
锟斤拷POPPAD锟斤拷锟斤拷锟斤拷锟斤拷Windows锟竭阶癸拷锟斤拷锟斤拷锟津化筹拷式锟侥凤拷锟斤拷一锟铰ｏ拷POPPRNT.C锟斤拷锟斤拷展示锟斤拷使锟斤拷PrintDlg锟斤拷式锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟酵拷枚曰锟斤拷锟斤拷锟斤拷式锟解（common dialog box library锟斤拷锟叫ｏ拷使锟斤拷一锟斤拷PRINTDLG锟斤拷态锟侥结构锟斤拷
通锟斤拷锟斤拷锟斤拷式锟侥★拷File锟斤拷锟斤拷锟杰憋拷锟斤拷锟叫革拷锟斤拷Print锟斤拷选锟筋。锟斤拷使锟斤拷锟斤拷选锟叫★拷Print锟斤拷选锟斤拷时锟斤拷锟斤拷式锟斤拷锟皆筹拷始锟斤拷PRINTDLG锟结构锟斤拷锟斤拷位锟斤拷锟斤拷锟斤拷锟斤拷PrintDlg锟斤拷
PrintDlg锟斤拷示一锟斤拷锟皆伙拷锟斤拷锟介，锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷选锟斤拷锟斤拷印页锟侥凤拷围锟斤拷锟斤拷耍锟斤拷锟斤拷锟皆伙拷锟斤拷锟斤拷锟截憋拷锟斤拷锟斤拷锟斤拷锟絇OPPAD锟斤拷锟斤拷锟斤拷锟斤拷印锟斤拷页锟侥硷拷锟侥筹拷式锟斤拷锟斤拷锟街对伙拷锟斤拷锟斤拷同时也锟斤拷锟斤拷锟斤拷一锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥编辑锟斤拷锟斤拷锟斤拷为锟斤拷Collate锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷暮锟饺★拷锟斤拷椤ｏ拷锟斤拷锟斤拷锟斤拷印锟斤拷影锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭筹拷锟剿筹拷锟斤拷锟斤拷纾拷锟斤拷锟侥硷拷锟斤拷3页锟斤拷使锟斤拷锟斤拷要锟斤拷锟斤拷印锟斤拷锟捷革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟剿筹拷锟街伙拷锟接★拷锟斤拷恰锟窖★拷锟斤拷锟斤拷锟斤拷印锟斤拷母锟斤拷锟斤拷锟揭筹拷锟剿筹拷锟轿�1锟斤拷2锟斤拷3锟斤拷1锟斤拷2锟斤拷3锟斤拷1锟斤拷2锟斤拷3锟斤拷未选锟斤拷锟斤拷锟斤拷锟接★拷母锟斤拷锟斤拷锟揭筹拷锟剿筹拷锟斤拷锟�1锟斤拷1锟斤拷1锟斤拷2锟斤拷2锟斤拷2锟斤拷3锟斤拷3锟斤拷3锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷锟斤拷锟斤拷尉锟斤拷锟斤拷锟斤拷锟饺凤拷锟剿筹拷锟斤拷锟接★拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷曰锟斤拷锟斤拷锟揭诧拷锟斤拷锟绞癸拷锟斤拷锟窖★拷锟斤拷锟节讹拷印锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟轿拷锟絇roperties锟斤拷锟侥帮拷钮锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟借备模式锟皆伙拷锟斤拷锟介。锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷选锟斤拷直印锟斤拷锟接★拷锟�
锟斤拷PrintDlg锟斤拷式锟斤拷锟斤拷锟结，PRINTDLG锟结构锟斤拷锟斤拷位指锟斤拷锟斤拷印页锟侥凤拷围锟斤拷锟角凤拷远锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟斤拷锟斤拷锟结构同时也锟斤拷锟斤拷锟斤拷准锟斤拷使锟矫碉拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟捷达拷锟脚★拷
锟斤拷POPPRNT.C锟叫ｏ拷PopPrntPrintFile锟斤拷式锟斤拷锟斤拷使锟斤拷锟斤拷锟节★拷File锟斤拷锟斤拷锟杰憋拷锟斤拷选锟叫★拷Print锟斤拷选锟斤拷时锟斤拷锟斤拷锟斤拷POPPAD锟斤拷锟叫ｏ拷锟斤拷锟斤拷PrintDlg锟斤拷然锟结开始锟斤拷印锟斤拷锟斤拷锟斤拷PopPrntPrintFile锟斤拷锟侥承╋拷锟斤拷悖拷锟饺凤拷锟揭伙拷锟斤拷锟斤拷锟斤拷啥锟斤拷锟斤拷锟皆拷锟揭灰筹拷锟斤拷锟斤拷啥锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟斤拷锟芥及锟斤拷锟斤拷锟斤拷GetDeviceCaps锟斤拷确锟斤拷页锟侥斤拷锟斤拷锟饺ｏ拷锟斤拷锟斤拷GetTextMetrics锟斤拷确锟斤拷锟斤拷元锟侥达拷小锟斤拷
锟斤拷锟斤拷锟绞酵拷锟斤拷锟斤拷锟揭伙拷锟紼M_GETLINECOUNT讯息锟斤拷锟洁辑锟斤拷锟斤拷锟斤拷锟斤拷取锟斤拷锟侥硷拷锟叫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟节憋拷锟斤拷iTotalLines锟叫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷莸幕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷诰植锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟矫恳伙拷校锟斤拷锟斤拷锟斤拷锟斤拷牡锟揭伙拷锟斤拷直锟斤拷瓒ㄎ拷锟斤拷锟斤拷锟斤拷锟皆拷锟斤拷锟侥匡拷锟斤拷锟紼M_GETLINE讯息锟斤拷锟酵革拷锟洁辑锟斤拷锟斤拷锟斤拷锟斤拷园锟揭伙拷懈锟斤拷频锟斤拷锟斤拷锟斤拷锟斤拷校锟饺伙拷锟斤拷锟絋extOut锟斤拷锟斤拷一锟斤拷锟酵碉拷印锟斤拷锟斤拷装锟斤拷锟斤拷锟斤拷锟叫ｏ拷POPPRNT.C锟斤拷没锟叫达拷锟斤拷锟斤拷锟皆筹拷锟斤拷锟斤拷印锟斤拷锟饺碉拷锟斤拷锟街伙拷锟斤拷锟斤拷一锟斤拷去锟斤拷锟斤拷锟斤拷锟节碉拷十锟斤拷锟斤拷锟斤拷锟角伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫的硷拷锟斤拷锟斤拷锟斤拷
为锟斤拷确锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷应注锟斤拷锟斤拷印锟斤拷锟街的达拷锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟斤拷for锟斤拷圈锟斤拷锟斤拷一锟斤拷for锟斤拷圈使锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷iColCopy锟侥憋拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接∈憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谩锟斤拷诙锟斤拷锟絝or锟斤拷圈使锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷iNonColCopy锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接∈憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谩锟�
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Windows锟侥筹拷式锟斤拷频锟斤拷锟斤拷志锟斤拷锟斤拷岜ёbortDoc锟斤拷式锟斤拷锟脚ｏ拷锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟接★拷锟绞癸拷谩锟斤拷锟斤拷锟絇OPPAD锟叫匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟竭硷拷锟斤拷锟斤拷时锟斤拷锟斤拷取锟斤拷锟斤拷印锟斤拷业锟斤拷锟斤拷锟斤拷通锟斤拷POPPAD锟斤拷锟斤拷印锟皆伙拷锟斤拷锟介及通锟斤拷锟斤拷印锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷式使锟斤拷AbortDoc锟斤拷式锟斤拷 POPPAD锟斤拷锟斤拷锟斤拷AbortDoc锟斤拷唯一时锟斤拷锟斤拷锟节讹拷StartDoc锟侥猴拷锟叫和讹拷EndPage锟侥碉拷一锟斤拷锟斤拷锟斤拷之锟戒，锟斤拷锟角筹拷式锟杰匡拷突锟街达拷泄锟饺ワ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭狝bortDoc锟斤拷
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图13-3 锟斤拷印一锟斤拷锟侥硷拷时锟侥猴拷式锟斤拷锟斤拷顺锟斤拷
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