ShowDilationFilterDlg example for Delphi

procedure TForm1.ShowDilationFilterDlg1Click(Sender: TObject); 
var
   nRet: L_INT; 
begin

   LEADDlgImgEffect1.BinaryFilterType:= BFLT_DILATION_OMNI; 
   LEADDlgImgEffect1.DlgFlags:= DLG_DILATIONFILTER_SHOW_PREVIEW Or
                                 DLG_DILATIONFILTER_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgImgEffect1.LEADImage:= LEADImage1; 

   nRet:= LEADDlgImgEffect1.ShowDilationFilterDlg ( Self ); 
   if ( nRet = SUCCESS_DLG_OK ) then
   begin
      LEADImage1.BinaryFilter (LEADDlgImgEffect1.BinaryFilterType ); 
   end; 
end;