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IltmmTargetFormat::get_ReadOnly

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#include "ltmm.h"

C Syntax

HRESULT IltmmTargetFormat_get_ReadOnly(pTargetFormat, pVal)

C++ Syntax

HRESULT get_ReadOnly(pVal)

 

IltmmTargetFormat *pTargetFormat;

/* pointer to an interface */

VARIANT_BOOL *pVal;

/* 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.

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

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

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:

IltmmTargetFormat::put_Selected, IltmmTargetFormats::get_Selection

Topics:

Multimedia Function Group

Example

For an example, refer to Selecting ltmmCapture Object TargetFormats for C.

For an example, refer to Selecting ltmmCapture Object TargetFormats for C++.

For an example, refer to Selecting ltmmConvert Object TargetFormats for C.

For an example, refer to Selecting ltmmConvert Object TargetFormats for C++.

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