|
|
| Previous | Next |
The GetTotalLength method retrieves the total play length of the object in units pertinent to the object. The value returned is the total length regardless of the current settings of the play length and offset.
Syntax
HRESULT GetTotalLength(
DWORD* pdwLength
);
Parameters
pdwLength
[out] Pointer to a double word containing the total length of the object, in units pertinent to the object.
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an HRESULT error code.
| Return code | Description |
| E_INVALIDTYPE | The object that this interface is associated with is not a valid playable file or a folder or file system containing playable files. |
| WMDM_E_NOTSUPPORTED | This object cannot report total play length. |
| E_FAIL | An unspecified error occurred. |
Remarks
The value returned in the pdwLength parameter is the total length of the object regardless of the current settings of the play length and play offsets.
For playable files, the total length is specified in milliseconds.
For folders or file systems containing playable files, the value returned indicates the total number of playable files in a folder or in the root of a file system.
See Also
| Previous | Next |