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INSSBuffer4 Interface
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INSSBuffer4 interface

The INSSBuffer4 interface provides methods to enumerate buffer properties. These methods are important when reading files that may have properties of which you are not aware.

An INSSBuffer4 interface exists for every buffer object. To retrieve a pointer to an instance of INSSBuffer4, call the QueryInterface method of one of the other interfaces in the buffer object, typically INSSBuffer.

The following interfaces can be obtained by using the QueryInterface method of this interface.

InterfaceIID
INSSBuffer IID_INSSBuffer
INSSBuffer2 IID_INSSBuffer2
INSSBuffer3 IID_INSSBuffer3

 

Members

The INSSBuffer4 interface inherits from INSSBuffer3. INSSBuffer4 also has these types of members:

Methods

The INSSBuffer4 interface has these methods.

MethodDescription
GetPropertyByIndex

Retrieves a buffer property, also called a data unit extension, using an index instead of a name.

GetPropertyCount

Retrieves the total count of buffer properties associated with the sample.

 

See also

INSSBuffer Interface
INSSBuffer3 Interface
Interfaces

 

 

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