public Form1() { InitializeComponent(); for (int i = 0; i < 256; i++) { _control.AddColumn(new GridColumnInfo { HeaderType = GridColumnHeaderType.Text, IsUserResizable = true }); _control.SetHeaderInfo(i, "Column " + i, null); } _control.Dock = DockStyle.Fill; _control.GridStorage = new GridStorage(); Controls.Add(_control); }