ShowZoomWaveDlg example for Delphi

procedure TForm1.ShowZoomWaveDlg1Click(Sender: TObject); 
var
   nRet: L_INT; 
begin
   LEADDlgImgEffect1.DlgFlags:= DLG_ZOOMWAVE_SHOW_PREVIEW Or
                                DLG_ZOOMWAVE_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1.LEADImage:= LEADImage1; 

   nRet:= LEADDlgImgEffect1.ShowZoomWaveDlg ( Self ); 
   if ( nRet = SUCCESS_DLG_OK ) then
   begin
      LEADImage1.ZoomWave ( LEADDlgImgEffect1.Amplitude, 
                            LEADDlgImgEffect1.Frequency, 
                            LEADDlgImgEffect1.Phase, 
                            LEADDlgImgEffect1.ZoomFactor, 
                            LEADDlgImgEffect1.CenterPoint, 
                            LEADDlgImgEffect1.FillColor, 
                            LEADDlgImgEffect1.ZoomWaveFlags ); 
   end; 
end;