sguid.h

#ifndef __SGUID_H_
#define __SGUID_H_
 
#define __suidof(ClassName) IID_##ClassName
 
#ifdef __cplusplus
 
#define DECLARE_CLASS_SIID(cls_id) \
    static GUID GetIID(){ return cls_id;}
 
template<class T>
GUID TGuidOf(const T * obj=NULL)// specialize by class
{
    return T::GetIID();
}
 
#else
 
#define DECLARE_CLASS_SIID(cls_id)
 
#endif
 
 
#endif//__SGUID_H_