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Retrieves a reserved value indicating that the value of a Microsoft UI Automation text attribute varies within a text range.
Syntax
HRESULT UiaGetReservedMixedAttributeValue(
  [out] IUnknown **punkMixedAttributeValue
);
Parameters
[out] punkMixedAttributeValue
Type: IUnknown**
Receives a reserved value specifying that an attribute varies over a text range. This parameter is passed uninitialized.
Return value
Type: HRESULT
If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value | 
|---|---|
| Minimum supported client | Windows XP [desktop apps | UWP apps] | 
| Minimum supported server | Windows Server 2003 [desktop apps | UWP apps] | 
| Target Platform | Windows | 
| Header | uiautomationcoreapi.h | 
| Library | Uiautomationcore.lib | 
| DLL | Uiautomationcore.dll |