Question

在delphi7中如何将窗体保存为位图文件

Answer 1

用windows的截图功能即可。

Answer 2

procedure TForm1.btn1Click(Sender: TObject);
var
BitRect: TRect;
Bitmap: TBitmap;
FScreenCanvas: TCanvas;
begin
Bitmap := TBitmap.Create;
Bitmap.SetSize(Self.ClientWidth, Self.ClientHeight);
BitRect.Left := 0;
BitRect.Top := 0;
BitRect.Right := BitRect.Left + Bitmap.Width;
BitRect.Bottom := BitRect.Top + Bitmap.Height;
FScreenCanvas := TCanvas.Create;
FScreenCanvas.Handle := Self.Canvas.Handle;
Bitmap.Canvas.Lock;
Bitmap.Canvas.CopyRect(BitRect, FScreenCanvas, Self.ClientRect);
Bitmap.Canvas.Unlock;
Bitmap.SaveToFile('d:\a.bmp');
Bitmap.Free;
end;