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IAccPropServices::SetHwndProp

  • Article

This method wraps SetPropValue, providing a convenient entry point for callers who are annotating Hwnd-based objects. If the new value is a string, you can use IAccPropServices::SetHwndPropStr instead.

HRESULT SetHwndProp (
  HWND hwnd,  DWORD idObject,  DWORD idChild,  MSAAPROPID idProp,  VARIANT var);

Parameters

  • hwnd, idObject, idChild
    [in] Identifies the accessible element that is to be annotated. This replaces the identity string.
  • idProp
    [in] Specifies which property of that element is to be annotated.
  • var
    [in] Specifies a new value for that property.

Return Values

If successful, returns S_OK.

Returns E_INVALIDARG if any of the properties in the paProps array are not supported properties, if the identity string is not valid, or if annoScope is not one of ANNO_THIS or ANNO_CONTAINER.

May return other error codes under exceptional error conditions such as low memory.

Remarks

By using this method, the caller does not have to obtain an identity string; it can specify the hwnd, idObject, and IdChild parameters directly.

Requirements

**  Windows NT/2000/XP/Server 2003:** Included in Windows XP and Windows Server 2003.
**  Windows 95/98/Me:** Unsupported.
**  Redistributable:** Requires Active Accessibility 2.0 RDK on Windows NT 4.0 SP6 and Windows 98.
**  Header:** Declared in Oleacc.h; include Initguid.h before including Oleacc.h.

See Also

ClearHwndProps, SetHwndPropServer, SetHwndPropStr, SetPropValue