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IProxyProviderWinEventSink::AddStructureChangedEvent method

Raises an event to notify clients that the structure of the UI Automation tree has changed.

Syntax


HRESULT AddStructureChangedEvent(
  [in] IRawElementProviderSimple *pProvider,
  [in] StructureChangeType       structureChangeType,
  [in] SAFEARRAY                 *runtimeId
);

Parameters

pProvider [in]

Type: IRawElementProviderSimple*

A pointer to the provider of the element that is raising the event.

structureChangeType [in]

Type: StructureChangeType

The type of structure change that occurred.

runtimeId [in]

Type: SAFEARRAY*

A pointer to the runtime identifiers of the elements that are affected. These IDs enable applications to identify elements that have been removed and are no longer represented by IUIAutomationElement interfaces.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Minimum supported client

Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista, Windows XP with SP3 and Platform Update for Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008, Windows Server 2003 with SP2 and Platform Update for Windows Server 2008 [desktop apps | Windows Store apps]

Header

UIAutomationCore.h (include UIAutomation.h)

IDL

UIAutomationCore.idl

See also

Reference
IProxyProviderWinEventSink
Conceptual
Best Practices for Using Safe Arrays

 

 

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