ShowWindDlg example for Delphi

procedure TForm1.ShowWindDlg1Click(Sender: TObject); 
var
   nRet: L_INT; 
begin
   LEADDlgImgEffect1.Angle:= 4500; 
   LEADDlgImgEffect1.Dimension:= 40; 
   LEADDlgImgEffect1.DlgFlags:= DLG_WIND_SHOW_PREVIEW Or
                                 DLG_WIND_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1.LEADImage:= LEADImage1; 

   nRet:= LEADDlgImgEffect1.ShowWindDlg ( Self ); 
   if ( nRet = SUCCESS_DLG_OK ) then
   begin
      LEADImage1.Wind ( LEADDlgImgEffect1.Dimension, 
                        LEADDlgImgEffect1.Angle, 
                        LEADDlgImgEffect1.Opacity); 
   end; 
end;