ShowUnsharpMaskDlg example for C++ Builder

void __fastcall TForm1::ShowUnsharpMaskDlg1Click(TObject *Sender) 
{
   L_INT nRet; 
   LEADDlgImgEffect1->DlgFlags = DLG_UNSHARPMASK_SHOW_PREVIEW |
                                 DLG_UNSHARPMASK_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1->LEADImage = LEADImage1; 

   nRet= LEADDlgImgEffect1->ShowUnsharpMaskDlg ( this ); 
   if ( nRet == SUCCESS_DLG_OK ) 
   {
      LEADImage1->UnsharpMask ( LEADDlgImgEffect1->Amount, 
                               LEADDlgImgEffect1->Radius, 
                               LEADDlgImgEffect1->Threshold, 
                               LEADDlgImgEffect1->UnshrpMaskFlags ); 
   }
}