using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D; public class Form1 : System.Windows.Forms.Form{ public Form1() { InitializeComponent(); } private void InitializeComponent() { this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Name = "Form1"; this.Text = "Form1"; this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown); } static void Main() { Application.Run(new Form1()); } private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { Console.WriteLine("Mouse down"); } }