ShowPixelateDlg example for C++ Builder

void __fastcall TForm1::ShowPixelateDlg1Click(TObject *Sender) 
{
   L_INT nRet; 
   LEADDlgImgEffect1->DlgFlags = DLG_PIXELATE_SHOW_PREVIEW |
                                 DLG_PIXELATE_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1->LEADImage = LEADImage1; 

   nRet= LEADDlgImgEffect1->ShowPixelateDlg ( this ); 
   if ( nRet == SUCCESS_DLG_OK ) 
   {
      LEADImage1->Pixelate ( LEADDlgImgEffect1->CellWidth
                            LEADDlgImgEffect1->CellHeight
                            LEADDlgImgEffect1->Opacity
                            LEADDlgImgEffect1->CenterPoint
                            LEADDlgImgEffect1->PixelateFlags ); 
   }
}