ShowHalftoneDlg example for Delphi

procedure TForm1.ShowHalftoneDlg1Click(Sender: TObject); 
var
   i: L_INT; 
   nRet: L_INT; 
   FileNames: Array [ 0..2 ] of String; 
begin
   LEADDlgColor1.ItemsCount:= 3; 
   FileNames[0]:= 'e:\image1.jpg'; 
   FileNames[1]:= 'e:\image2.jpg'; 
   FileNames[2]:= 'e:\image3.jpg'; 

   for i:= 0 to 2 do
   begin
      LEADImage2.LoadStamp ( FileNames[i] ); 
      LEADDlgColor1.ItemDescription [i]:= IntToStr(i); 
      LEADDlgColor1.ItemFileName [i]:= FileNames[i]; 
      LEADDlgColor1.ItemBitmap [i]:= LEADImage2.Bitmap; 
   end; 
   LEADDlgColor1.Angle:= 5; 
   LEADDlgColor1.Dimension:= 5; 
   LEADDlgColor1.HalftoneType:= HT_RECT; 

   LEADDlgColor1.DlgFlags:= DLG_HALFTONE_SHOW_PREVIEW Or
                            DLG_HALFTONE_SHOW_TOOL_ZOOMLEVEL Or
                            DLG_HALFTONE_SHOW_TOOL_SHOWEFFECT Or
                            DLG_HALFTONE_SHOW_TOOL_ONSCREEN Or
                            DLG_HALFTONE_SHOW_TOOL_RESET; 

   LEADDlgColor1.LEADImage:= LEADImage1; 
   nRet:= LEADDlgColor1.ShowHalftoneDlg ( Self ); 
   if ( nRet = SUCCESS_DLG_OK ) then
   begin
   ShowMessage ( 'No of Selected Items are ' + IntToStr(LEADDlgColor1.SelectedBitmapsCount) ); 
      if ( LEADDlgColor1.SelectedBitmapList <> 0 ) then
         LEADImage1.BitmapList:= LEADDlgColor1.SelectedBitmapList; 
   end; 
end;