ShowPolarDlg example for Delphi

procedure TForm1.ShowPolarDlg1Click(Sender: TObject); 
var
   nRet: L_INT; 
begin
   LEADDlgImgEffect1.PolarFlags:= FILL_CLR Or CART_TO_POL; 
   LEADDlgImgEffect1.FillColor:= RGB ( 0, 0, 220 ); 
   LEADDlgImgEffect1.DlgFlags:= DLG_POLAR_SHOW_PREVIEW Or
                                 DLG_POLAR_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1.LEADImage:= LEADImage1; 

   nRet:= LEADDlgImgEffect1.ShowPolarDlg ( Self ); 
   if ( nRet = SUCCESS_DLG_OK ) then
   begin
      LEADImage1.Polar ( LEADDlgImgEffect1.FillColor, 
                   LEADDlgImgEffect1.PolarFlags ); 
   end; 
end;