#include "ltmm.h"

C Syntax

HRESULT IltmmTargetFormat_get_ReadOnly(pTargetFormat, pVal)

C++ Syntax

HRESULT get_ReadOnly(pVal)

IltmmTargetFormat *pTargetFormat;

pointer to an interface


pointer to a variable

Queries whether the format is read-only.

Parameter Description
pTargetFormat Pointer to an IltmmTargetFormat interface.
pVal Pointer to a variable that indicates whether the format is read-only. Possible values are:
  Value Meaning
  VARIANT_TRUE The format is read-only.
  VARIANT_FALSE The format is for reading and writing.



The function was successful.

<> S_OK

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


All predefined formats are marked as read-only, and cannot be modified or deleted.

Required DLLs and Libraries


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


Win32, x64

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