static int GetGamepadCount()
{
// determine number of joysticks installed in Windows 95
JOYINFOEX info = new JOYINFOEX(); // extended information
info.dwFlags = 128; // buttons!
info.dwSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(JOYINFOEX));
Int32 dwResult; // examine return values
// Loop through all possible joystick IDs until we get the error
// JOYERR_PARMS. Count the number of times we get JOYERR_NOERROR
// indicating an installed joystick driver with a joystick currently
// attached to the port.
for (int i = 0; i < joyGetNumDevs(); i++)
{
dwResult = GamePad.joyGetPosEx(i, ref info);
if (dwResult == (int)JoyError.JOYERR_UNPLUGGED || dwResult == (int)JoyError.JOYERR_PARMS)
return i;
}
return -1;
}
internal static extern int joyGetPosEx(int uJoyID, ref JOYINFOEX pji);
