using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace MouseMoveGraphics { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void pictureBoxDisplay_MouseMove(object sender, MouseEventArgs e) { Graphics paper = pictureBoxDisplay.CreateGraphics(); Pen pen1 = new Pen(Color.Black, 2); paper.DrawLine(pen1, 388, 213, e.X, e.Y); } } }