IWMMutualExclusion::SetType method (wmsdkidl.h)
[The feature associated with this page, Windows Media Format 11 SDK, is a legacy feature. It has been superseded by Source Reader and Sink Writer. Source Reader and Sink Writer have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use Source Reader and Sink Writer instead of Windows Media Format 11 SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The SetType method specifies the GUID of the type of mutual exclusion required.
Syntax
HRESULT SetType(
[in] REFGUID guidType
);
Parameters
[in] guidType
GUID specifying the type of mutual exclusion. For a list of values, see IWMMutualExclusion::GetType
Return value
The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.
| Return code | Description |
|---|---|
|
The method succeeded. |
|
Invalid type. |
Remarks
If you create a multiple bit rate audio file, you may encounter problems streaming the file from Windows Media Services 4.1. To avoid problems, disable auto indexing by calling IWMWriterFileSink3::SetAutoIndexing before writing the file.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only],Windows Media Format 7 SDK, or later versions of the SDK |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | wmsdkidl.h (include Wmsdk.h) |
| Library | Wmvcore.lib; WMStubDRM.lib (if you use DRM) |