| Microsoft DirectX 8.1 (C++) |
The SetActualDataLength method sets the length of the valid data in the buffer.
Syntax
HRESULT SetActualDataLength(
long lLen
);
Parameters
lLen
Length of the data in the media sample, in bytes.
Return Value
Returns an HRESULT value. Possible values include those shown in the following table.
| Value | Description |
| S_OK | Success. |
| VFW_E_BUFFER_OVERFLOW. | Length specified in lLen is larger than the buffer size. |
See Also