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IWMReaderTypeNegotiation interface

The IWMReaderTypeNegotiation interface provides a single method that can be used to test certain changes to the output properties of a stream.

An IWMReaderTypeNegotiation interface exists for every reader object. You can obtain a pointer to an instance of this interface by calling the QueryInterface method of any other interface of the reader object.

Members

The IWMReaderTypeNegotiation interface inherits from the IUnknown interface. IWMReaderTypeNegotiation also has these types of members:

Methods

The IWMReaderTypeNegotiation interface has these methods.

MethodDescription
TryOutputProps

Determines whether certain changes to the properties of an output are possible.

 

For information about which interfaces can be obtained by using the QueryInterface method of this interface, see Reader Object.

See also

Interfaces
IWMReader Interface
Reader Object