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zwjChina
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GUEST, unregistred user!
看看下面的效果是否你所想
var
i: integer;
begin
Image1.Picture.Bitmap.Widht := 20;
Image1.Picture.Bitmap.Height := 20;
i := 0;
repeat
Image1.Picture.Bitmap.Canvas.Rectangle(0, 0, 20, 20);
Image.Picture.Bitmap.Canvas.Rectangle(i, 2, i + 4, 6);
Application.ProcessMessage;
Sleep(500);
Inc(i);
until i >= 20;
end;
var
i: integer;
begin
Image1.Picture.Bitmap.Widht := 20;
Image1.Picture.Bitmap.Height := 20;
i := 0;
repeat
Image1.Picture.Bitmap.Canvas.Rectangle(0, 0, 20, 20);
Image.Picture.Bitmap.Canvas.Rectangle(i, 2, i + 4, 6);
Application.ProcessMessage;
Sleep(500);
Inc(i);
until i >= 20;
end;