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CWnd::get_accRole

Called by the framework to retrieve information that describes the role of the specified object.

virtual HRESULT get_accRole(
   VARIANT varChild,
   VARIANT *pvarRole
);

Параметры

  • varChild
    Specifies whether the role information to be retrieved is that of the object or one of the object's child elements. This parameter can be either CHILDID_SELF (to obtain information about the object) or a child ID (to obtain information about the object's child element).

  • pvarRole
    Receives the role information. See pvarRole in IAccessible::get_accRole in the Windows SDK.

Возвращаемое значение

Returns S_OK on success, a COM error code on failure. See Return Values in IAccessible::get_accRole in the Windows SDK.

Заметки

This function is part of MFC's Active Accessibility support.

Override this function in your CWnd-derived class if you have nonwindowed user interface elements (other than windowless ActiveX controls, which MFC handles).

For more information, see IAccessible::get_accRole in the Windows SDK.

Требования

Header: afxwin.h

См. также

Основные понятия

CWnd Class

CWnd Members

Hierarchy Chart

GetRoleText

CWnd::get_accDescription