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Paint;
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procedure Paint; virtual;
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procedure TGraphicControl.Paint;
begin
end;
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procedure WMPaint(var Message: TWMPaint); message WM_PAINT;
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procedure TGraphicControl.WMPaint(var Message: TWMPaint);
begin
if Message.DC <> 0 then
begin
Canvas.Lock;
try
Canvas.Handle := Message.DC;
try
Paint; //µ÷ÓÃÁËÕâ¸öº¯ÊýÀ´»Í¼Ðοؼþ
finally
Canvas.Handle := 0;
end;
finally
Canvas.Unlock;
end;
end;
end;
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delphiÖÐWebbrowserµÄʹÓÃ
1.»ñµÃÍøÒ³ÖбäÁ¿Öµ
htmÖÐ<script> var currID=123</script>
³ÌÐòÖпÉÒÔÕâôµ÷Óà id := Form1.WebBrowser1.OleObject.Document.script.currID
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procedure TForm1.Button2Click(Sender: TObject);
var
o : Olevariant;
begin
webbrowser1.Navigate('http://www.163.com');
delay(2000);
o := WebBrowser1.OleObject.document.all.item('username',0);
o.value := 'username';
o := W ......
procedure mc_SplitStr(sourStr:String;splitChar:String;desLst:TStringList);
var
tmpStr:String;
sValue:String;
iStart,iPos:Integer;
begin
try
desLst.Clear; //ºÜÖØÒª£¬·ñÔò£¬»áÒ» ......