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procedure   TForm1.Button1Click(Sender:   TObject);  
  var  
      SrcBmp,   DestBmp:   TBitmap;  
  begin  
      SrcBmp   :=   TBitmap.Create;  
      SrcBmp.LoadfromFile('C:\Source.bmp');  
   
      DestBmp   :=   TBitmap.Create;  
      DestBmp.Width   :=   100;  
      DestBmp.Height   :=   100;  
   
      DestBmp.Canvas.CopyRect(Rect(0,   0,   100,   100),   SrcBmp.Canvas,   Rect(50,   50,   150,   150)); {ÒªÓë¸ø³öµÄλͼ´óС±£³ÖÒ»Ö±±ÜÃâѹËõ}  
    
      DestBmp.SaveToFile('C:\Dest.bmp');  
   
      SrcBmp.Free;  
      DestBmp.Free;  
  end;


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uses 
    Windows,  
    SysUtils,  
    Classes,  
    ShellAPI;  
function RunAndWait(FileName: string; Visibility: Integer): THandle;&nbs ......

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Unt_Machine_WebDll.pas
BODY {background: #FFFFFF}
A:link { color: #0000FF}
A:visited { color: #0000FF}
A:Active { color: #0000FF}
.bold {font-weight: bold}
.italic {font-style: italic}
.underline {text-decoration: underline}
unit Unt_Machine_WebDll;
{$WARN SYMBOL_PLATFORM OF ......

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