static extern int ComDBClaimPort(IntPtr hComDB, out int ComNumber)

static extern int ComDBClaimPort(IntPtr hComDB, int ComNumber, [MarshalAs(UnmanagedType.Bool)] bool ForceClaim, [MarshalAs(UnmanagedType.Bool)] out bool Forced);

Declare Function ComDBClaimPort Lib "msports.dll" (TODO) As TODO