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