Cannot Assign TBitmapCanvas to TBitmapCanvas

**sk.Silvia**

hi alle

ich hab probleme mit diesen part fo code

Delphi-Quellcode:

			  
  procedure TEngine.Show;

  var tmp:TBitmap;

      begin

      tmp:=TBitmap.Create;

      tmp.Canvas.Assign(Screen.Canvas);

      ShowScr.Canvas.Draw(-10,-10,tmp);

      ShowScr.Canvas.LineTo(50,50);

      end;

it creates a runtime error "Cannot Assign TBitmapCanvas to TBitmapCanvas" what is nonesence..isnt it??
i just only want to save the canvas into TBitmap (and dont want to make it over Pixels[], cuz its too slow)

Cannot Assign TBitmapCanvas to TBitmapCanvas

Cannot Assign TBitmapCanvas to TBitmapCanvas

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