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IUIAutomationElement::GetCachedPropertyValue Method

Retrieves a property value from the cache for this UI Automation element.


HRESULT GetCachedPropertyValue(          PROPERTYID propertyId,
    VARIANT *retVal


[in] The identifier of the property. For a list of property IDs, see Property Identifiers.
[out, retval] The address of a VARIANT that receives the value of the cached property.

Return Value

Returns S_OK if successful, or an error value otherwise.


Microsoft UI Automation properties of the double type support Not a Number (NaN) values. When retrieving a property of the double type, a client can use the _isnan function to determine whether the property is a NaN value.

See Also

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