ShowBalanceColorsDlg example for C++ Builder

void __fastcall TForm1::ShowBalanceColorsDlg1Click(TObject *Sender) 
{
   L_INT nRet; 

   LEADDlgColor1->DlgFlags = DLG_BALANCECOLORS_SHOW_PREVIEW |
                             DLG_BALANCECOLORS_SHOW_TOOL_ZOOMLEVEL; 

   LEADDlgColor1->LEADImage = LEADImage1; 
   LEADDlgColor1->LEADDlgService = LEADDlgService1; 
   LEADDlgColor1->EnableMethodErrors = false; 
    LEADDlgColor1->ShowHelpButton = true; 

   nRet= LEADDlgColor1->ShowBalanceColorsDlg ( this ); 
   if ( nRet == SUCCESS_DLG_OK ) 
   {
      LEADImage1->BalanceColors ( LEADDlgColor1->BalanceRedFactor, 
                                  LEADDlgColor1->BalanceGreenFactor, 
                                  LEADDlgColor1->BalanceBlueFactor ); 
   }
}
void __fastcall TForm1::LEADDlgColor1DlgHelp(DWORD uDialogID) 
{
   switch ( uDialogID ) 
   {
      case DLG_HELP_BALANCECOLORS: 
         ShowMessage( "Help from BalanceColors dialog" ); 
         break; 

      case DLG_HELP_COLOREDGRAY: 
         ShowMessage( "Help from ColoredGray dialog" ); 
         break; 

      case DLG_HELP_GRAYSCALE: 
         ShowMessage( "Help from GrayScale dialog" ); 
         break; 

      case DLG_HELP_REMAPINTENSITY: 
         ShowMessage( "Help from RemapIntensity dialog" ); 
         break; 

      case DLG_HELP_REMAPHUE: 
         ShowMessage( "Help from RemapHue dialog" ); 
         break; 

      case DLG_HELP_CUSTOMIZEPALETTE: 
         ShowMessage( "Help from CustomizePalette dialog" ); 
         break; 

      case DLG_HELP_LOCALHISTOEQUALIZE: 
         ShowMessage( "Help from LocalHistoEqualize dialog" ); 
         break; 

      case DLG_HELP_INTENSITYDETECT: 
         ShowMessage( "Help from IntensityDetect dialog" ); 
         break; 

      case DLG_HELP_SOLARIZE: 
         ShowMessage( "Help from Solarize dialog" ); 
         break; 

      case DLG_HELP_POSTERIZE: 
         ShowMessage( "Help from Posterize dialog" ); 
         break; 

      case DLG_HELP_BRIGHTNESS: 
         ShowMessage( "Help from Brightness dialog" ); 
         break; 

      case DLG_HELP_CONTRAST: 
         ShowMessage( "Help from Contrast dialog" ); 
         break; 

      case DLG_HELP_HUE: 
         ShowMessage( "Help from Hue dialog" ); 
         break; 

      case DLG_HELP_SATURATION: 
         ShowMessage( "Help from Saturation dialog" ); 
         break; 

      case DLG_HELP_GAMMAADJUSTMENT: 
         ShowMessage( "Help from GammaAdjustment dialog" ); 
         break; 

      case DLG_HELP_HALFTONE: 
         ShowMessage( "Help from Halftone dialog" ); 
         break; 

      case DLG_HELP_COLORRES: 
         ShowMessage( "Help from ColorRes dialog" ); 
         break; 

      case DLG_HELP_HISTOCONTRAST: 
         ShowMessage( "Help from HistoContrast dialog" ); 
         break; 

      case DLG_HELP_WINDOWLEVEL: 
         ShowMessage( "Help from WindowLevel dialog" ); 
         break; 

      case DLG_HELP_COLOR: 
         ShowMessage( "Help from Color dialog" ); 
         break; 
   }
}