Mono.Debugger.Thread.StepInstruction C# (CSharp) Method

        public ThreadCommandResult StepInstruction()
        {
            return Old_Step (StepMode.SingleInstruction);
        }

 public void StepInstruction()
 {
     if (running)
     {
         throw new InvalidOperationException("Target already running");
     }
     OnStartRunning();
     activeThread.StepInstruction();
 }