|Microsoft DirectX 9.0|
The GetMaxBytes method retrieves the number of bytes that can be stored in the buffer.
HRESULT GetMaxBytes( LPDWORD pcb );
Address of a variable that receives the maximum number of bytes that the buffer can hold.
If the method succeeds, the return value is S_OK.
If it fails, the method can return E_POINTER.
Header: Declared in dmusicc.h.