ISupportErrorInfo Interface

IID_ISupportErrorInfo

{DF0B3D60-548F-101B-8E65-08002B2BD119}

The ISupportErrorInfo interface ensures that error information can be propagated up the call chain correctly. Automation objects that use the error handling interfaces must implement ISupportErrorInfo.

Methods in VTable order

IUnknown Methods

Description

QueryInterface

Returns pointers to supported interfaces.

AddRef

Increments reference count.

Release

Decrements reference count.

ISupportErrorInfo Methods

Description

InterfaceSupportsErrorInfo

Indicates whether an interface supports the IErrorInfo interface.

InterfaceSupportsErrorInfo

FUNCTION ISupportErrorInfo_InterfaceSupportsErrorInfo ( _

  BYVAL pthis AS DWORD PTR _

, BYREF riid AS GUID _

  ) AS LONG

  LOCAL HRESULT AS LONG
  CALL DWORD @@pthis[3] USING ISupportErrorInfo_InterfaceSupportsErrorInfo (pthis, riid) TO HRESULT
  FUNCTION = HRESULT

END FUNCTION