Get cursor position with respect to the control - C#

Question

I want to get the mouse position with respect to the control in which mouse pointer is present. That means when I place the cursor to the starting point (Top-Left corner) of

Answer 1

Simply subtract from the cursor position the Left and Top coordinates of the control:

this.Text = Convert.ToString(
    Cursor.Position.X - this.Left + ":" +
    Cursor.Position.Y - this.Top);