如何擷取程式中某個元件的圖片 |
答題得分者是:RaynorPao
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GGL
資深會員 發表:104 回覆:600 積分:335 註冊:2006-11-05 發送簡訊給我 |
我參考RaynorPao大大的作品
AnsiString szCommand=AThread->Connection->ReadLn(); if(szCommand=="ServerToClient") { Graphics::TBitmap *bmp1=new Graphics::TBitmap; TMemoryStream *ms1=new TMemoryStream; try { CURSORINFO ci; ci.cbSize=sizeof(CURSORINFO); GetCursorInfo(&ci); POINT pt; GetCursorPos(&pt); ms1->Size=0; HDC dc; TCanvas *cs=new TCanvas; dc=GetDC(0); cs->Handle=dc; bmp1->Width=VideoGrabber1->Width; bmp1->Height=VideoGrabber1->Height; bmp1->Canvas->CopyRect(Rect(0, 0, bmp1->Width, bmp1->Height), cs, Rect(Form1->Left, Form1->Top, Screen->Width, Screen->Height)); DrawIcon(bmp1->Canvas->Handle, pt.x, pt.y, ci.hCursor); TJPEGImage *jpg=new TJPEGImage; jpg->Assign(bmp1); jpg->CompressionQuality=20; jpg->Compress(); jpg->SaveToStream(ms1); delete jpg; delete cs; ReleaseDC(NULL, dc); AThread->Connection->WriteStream(ms1, true, true, 0); } __finally { delete ms1; delete bmp1; } }這是用來傳送桌面的圖片,但是我只想傳送程式中Memo的畫面,請問一下該如何修改謝謝了 |
RaynorPao
版主 發表:139 回覆:3622 積分:7025 註冊:2002-08-12 發送簡訊給我 |
引言: 我參考RaynorPao大大的作品AnsiString szCommand=AThread->Connection->ReadLn(); if(szCommand=="ServerToClient") { Graphics::TBitmap *bmp1=new Graphics::TBitmap; TMemoryStream *ms1=new TMemoryStream; try { CURSORINFO ci; ci.cbSize=sizeof(CURSORINFO); GetCursorInfo(&ci); POINT pt; GetCursorPos(&pt); ms1->Size=0; HDC dc; TCanvas *cs=new TCanvas; dc=GetDC(0); cs->Handle=dc; bmp1->Width=VideoGrabber1->Width; bmp1->Height=VideoGrabber1->Height; bmp1->Canvas->CopyRect(Rect(0, 0, bmp1->Width, bmp1->Height), cs, Rect(Form1->Left, Form1->Top, Screen->Width, Screen->Height)); DrawIcon(bmp1->Canvas->Handle, pt.x, pt.y, ci.hCursor); TJPEGImage *jpg=new TJPEGImage; jpg->Assign(bmp1); jpg->CompressionQuality=20; jpg->Compress(); jpg->SaveToStream(ms1); delete jpg; delete cs; ReleaseDC(NULL, dc); AThread->Connection->WriteStream(ms1, true, true, 0); } __finally { delete ms1; delete bmp1; } }這是用來傳送桌面的圖片,但是我只想傳送程式中Memo的畫面,請問一下該如何修改謝謝了 >>< face="Verdana, Arial, Helvetica">GGL 你好: (1)如果你想改成只傳送 Memo1 的畫面的話,那麼只需要把截取的部分改掉,應 該就可以了,例如: >>>>>>>>>>>>>>>>> > > < src="http://delphi.ktop.com.tw/loadfile.php?TOPICID=10003806&CC=223734"> -- Enjoy Researching & Developing -- 發表人 - RaynorPao 於 2004/07/17 10:07:15
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GGL
資深會員 發表:104 回覆:600 積分:335 註冊:2006-11-05 發送簡訊給我 |
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