Microsoft DirectX 9.0


This topic applies to Windows XP Service Pack 1 only.

The CanStep property indicates whether the input source can step frame by frame. Check this property before calling the Step method.


    fBackwards As Boolean
) As Boolean



If True, the returned value indicates whether the input source can step backward. If False, the value indicates whether the source can step forward.

Error Codes

If the property fails, an error is raised and Err.Number is set to a value other than zero.

Return Values

Returns True if the source can step in the specified direction, or False otherwise.


This property is read-only.

Backward stepping is not currently supported in any commercially available decoders.

See Also