ShowWindDlg example for C++ Builder

void __fastcall TForm1::ShowWindDlg1Click(TObject *Sender) 
{
   L_INT nRet; 
   LEADDlgImgEffect1->Angle = 4500; 
   LEADDlgImgEffect1->Dimension = 40; 
   LEADDlgImgEffect1->DlgFlags = DLG_WIND_SHOW_PREVIEW |
                                DLG_WIND_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1->LEADImage = LEADImage1; 

   nRet= LEADDlgImgEffect1->ShowWindDlg ( this ); 
   if ( nRet == SUCCESS_DLG_OK ) 
   {
      LEADImage1->Wind (LEADDlgImgEffect1->Dimension, 
                        LEADDlgImgEffect1->Angle, 
                        LEADDlgImgEffect1->Opacity ); 
   }
}