References ▼
Queries whether the format is read-only.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmTargetFormat_get_ReadOnly(pTargetFormat, pVal) |
| C++ | HRESULT get_ReadOnly(pVal) |
Pointer to an IltmmTargetFormat interface.
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. |
| Value | Meaning |
|---|---|
| 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. |
All predefined formats are marked as read-only, and cannot be modified or deleted.
Win32, x64.
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