Check out example codes for "how to detect mouse stopped moving on screen c#". It will help you in understanding the concepts better.

Code Example 1

public partial class Form1 : Form
    Timer timer = new Timer();

    public Form1()

        timer.Interval = 10;
        timer.Tick += Timer_Tick;


    private void Timer_Tick(object sender, EventArgs e)
        // do here whatever you want to do

        // just for testing...
        GetCursorPos(out Point lpPoint);
        this.Text = lpPoint.X + ", " + lpPoint.Y;

    public static extern bool GetCursorPos(out Point p);

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