public HRESULT getEnumFrames2([NativeTypeName("enum CV_CPU_TYPE_e")] CV_CPU_TYPE_e cpuid, IDiaStackWalkHelper *pHelper, IDiaEnumStackFrames **ppEnum)
 {
     return(((delegate * unmanaged <IDiaStackWalker *, CV_CPU_TYPE_e, IDiaStackWalkHelper *, IDiaEnumStackFrames **, int>)(lpVtbl[4]))((IDiaStackWalker *)Unsafe.AsPointer(ref this), cpuid, pHelper, ppEnum));
 }
 public HRESULT getEnumFrames(IDiaStackWalkHelper *pHelper, IDiaEnumStackFrames **ppEnum)
 {
     return(((delegate * unmanaged <IDiaStackWalker *, IDiaStackWalkHelper *, IDiaEnumStackFrames **, int>)(lpVtbl[3]))((IDiaStackWalker *)Unsafe.AsPointer(ref this), pHelper, ppEnum));
 }