using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form2 : Form { public Form2() { InitializeComponent(); } private static Form1 _form2Instance; public static Form1 Form2Instance { get { return _form2Instance; } set { _form2Instance = value; } } } }