| Platform SDK: DirectX | 
The IDirectPlay4::Initialize method this method is provided for compliance with the COM protocol.
HRESULT Initialize( LPGUID lpGUID );
The method returns DPERR_ALREADYINITIALIZED.
Because the DirectPlay object is initialized when it is created, this method always returns the DPERR_ALREADYINITIALIZED return value.
  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dplay.h.
  Import Library: Use dplayx.lib.