WM/ContainerFormat
[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 It has been superseded by Source Reader and Sink Writer.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 WM/ContainerFormat attribute specifies the type of file that is loaded in the calling object.
Global Constant
g_wszWMContainerFormat
Data Type
WMT_STORAGE_FORMAT (WMT_TYPE_BINARY)
Remarks
This attribute is used in place of IWMProfile3::GetStorageFormat and IWMProfile3::SetStorageFormat, which are no longer supported.
This is a coded attribute.
This attribute cannot be duplicated at the file level. If this attribute is used for an individual stream, it will be treated as custom metadata and will not convey its normal meaning to the objects of the Windows Media Format SDK.
See also
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