UiaRaiseAutomationPropertyChangedEvent function (uiautomationcoreapi.h)

Called by providers to notify the Microsoft UI Automation core that an element property has changed.

Syntax

HRESULT UiaRaiseAutomationPropertyChangedEvent(
  [in] IRawElementProviderSimple *pProvider,
  [in] PROPERTYID                id,
  [in] VARIANT                   oldValue,
  [in] VARIANT                   newValue
);

Parameters

[in] pProvider

Type: IRawElementProviderSimple*

The provider node where the property change event occurred.

[in] id

Type: PROPERTYID

The identifier for the property that changed. For a list of property IDs, see Property Identifiers.

[in] oldValue

Type: VARIANT

The old value of the property.

[in] newValue

Type: VARIANT

The new value of the property.

Return value

Type: HRESULT

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

Requirements