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IltmmMediaTypeDisp::ResetFormat

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#include "ltmm.h"

C Syntax

HRESULT IltmmMediaTypeDisp_ResetFormat(pMediaTypeDisp)

C++ Syntax

HRESULT ResetFormat( )

 

IltmmMediaTypeDisp *pMediaTypeDisp;

/* pointer to an interface */ 

Clears and frees the format buffer.

Parameter

Description

pMediaTypeDisp

Pointer to an IltmmMediaTypeDisp interface.

Returns

S_OK

The function was successful.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

This method allows you to reset the format buffer and free the memory allocated to it. It is equivalent to IltmmMediaTypeDisp::put_FormatSize(0) or IltmmMediaTypeDisp::put_Format(x, 0).

After you call this method, get_FormatSize returns 0 and get_Format returns an empty variant.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

See Also

Elements:

IltmmMediaTypeDisp::get_FormatSize, IltmmMediaTypeDisp::get_Format, IltmmMediaTypeDisp::put_FormatSize, IltmmMediaTypeDisp::put_FormatType, IltmmMediaTypeDisp::SetFormatData

Topics:

Multimedia Function Group

 

IltmmMediaTypeDisp interface

 

ltmmMediaType object

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