#include     void __fastcall S_PDIF_OpenReg(void)
{
        TRegistry       *MyRegistry;
        MyRegistry = new TRegistry();
        MyRegistry->RootKey = HKEY_CURRENT_USER ;
        MyRegistry->OpenKey("\\Software\\AC3filter\\preset\\_default",true) ;
        MyRegistry->WriteInteger("spdif",1);
        MyRegistry->CloseKey();
        delete  MyRegistry;
}
//---------------------------------------------------------------------------