public double GetPosition(char axis) { mutex.WaitOne(); Int32 position = 0; if (!SelectChannel()) { return(-1); } if (!TMLLib.TS_SelectAxis(motors[axis].id)) { return(-1); } if (!TMLLib.TS_GetLongVariable("APOS", out position)) { return(-1); } mutex.ReleaseMutex(); return(RotationToMicron(axis, position)); }