ShowSwirlDlg example for C++ Builder

void __fastcall TForm1::ShowSwirlDlg1Click(TObject *Sender)
{
   L_INT nRet; 
   LEADDlgImgEffect1->DlgFlags = DLG_SWIRL_SHOW_PREVIEW |
                                 DLG_SWIRL_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1->LEADImage = LEADImage1; 

   nRet= LEADDlgImgEffect1->ShowSwirlDlg ( this ); 
   if ( nRet == SUCCESS_DLG_OK ) 
   {
      LEADImage1->Swirl ( LEADDlgImgEffect1->Angle, 
                       LEADDlgImgEffect1->CenterPoint ); 
   }
}