ITypeChangeEvents::RequestTypeChange method (oaidl.h)

Raised when a request has been made to change a type. The change can be disallowed.

Syntax

HRESULT RequestTypeChange(
  [in]  CHANGEKIND changeKind,
  [in]  ITypeInfo  *pTInfoBefore,
  [in]  LPOLESTR   pStrName,
  [out] INT        *pfCancel
);

Parameters

[in] changeKind

The type of change.

CHANGEKIND_ADDMEMBER

CHANGEKIND_DELETEMEMBER

CHANGEKIND_SETNAMES

CHANGEKIND_SETDOCUMENTATION

CHANGEKIND_GENERAL

CHANGEKIND_INVALIDATE

CHANGEKIND_CHANGEFAILED

[in] pTInfoBefore

An object that implements the ITypeInfo, ITypeInfo2, ICreateTypeInfo, or ICreateTypeInfo2 interface and that contains the type information before the change was made. The client subscribes to this object to receive notifications about any changes.

[in] pStrName

The name of the change. This value may be null.

[out] pfCancel

False to disallow the change; otherwise, true.

Return value

This method can return one of these values.

Requirements

See also

ITypeChangeEvents