public int Next([NativeTypeName("ULONG")] uint ulCount, [NativeTypeName("ITfUIElement **")] ITfUIElement **ppElement, [NativeTypeName("ULONG *")] uint *pcFetched)
 {
     return(((delegate * unmanaged <IEnumTfUIElements *, uint, ITfUIElement **, uint *, int>)(lpVtbl[4]))((IEnumTfUIElements *)Unsafe.AsPointer(ref this), ulCount, ppElement, pcFetched));
 }
 public int GetUIElement([NativeTypeName("DWORD")] uint dwUIELementId, [NativeTypeName("ITfUIElement **")] ITfUIElement **ppElement)
 {
     return(((delegate * unmanaged <ITfUIElementMgr *, uint, ITfUIElement **, int>)(lpVtbl[6]))((ITfUIElementMgr *)Unsafe.AsPointer(ref this), dwUIELementId, ppElement));
 }