Introduction - If you have any usage issues, please Google them yourself
BOOL LW_Play_InitDDraw (HWND hWnd) Description: Initialize DirecDraw surface. Do not need to call. Input Parameters: hWnd of the application s main window handle 2, BOOL LW_Play_RealeseDDraw () Description: Free directDraw surface. No need to call 3, BOOL LW_Play_OpenFile (LONG nPort, LPSTR sFileName) Description: open the file. Input parameters: nPort channel number input parameter file name sFileName: sFileName