public static extern IntPtr mmioInstallIOProcW(uint fccIOProc, ref MMIOPROC pIOProc, uint dwFlags);
public static extern IntPtr mmioInstallIOProcW(uint fccIOProc, ref MMIOPROC pIOProc, uint dwFlags);
public static extern IntPtr mmioInstallIOProcW(uint fccIOProc, ref MMIOPROC pIOProc, uint dwFlags);
public static extern IntPtr mmioInstallIOProcW(uint fccIOProc, ref MMIOPROC pIOProc, uint dwFlags);