Свое свойство контролу DataGridView

  public partial class CustomDataGridView : DataGridView
    {
 
        public bool DoubleBuffer
        {
            set
            {
                PropertyInfo pi = typeof(Control).GetProperty("DoubleBuffered", BindingFlags.SetProperty | BindingFlags.Instance | BindingFlags.NonPublic);
                if (pi != null)
                {
                    pi.SetValue(this, value, null);
 
                    MethodInfo mi = typeof(Control).GetMethod("SetStyle", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.NonPublic);
                    if (mi != null)
                        mi.Invoke(this, new object[] { ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer, true });
 
                    mi = typeof(Control).GetMethod("UpdateStyles", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.NonPublic);
                    if (mi != null)
                        mi.Invoke(this, null);
                }
            }
        }
 
        [System.Security.Permissions.UIPermission(System.Security.Permissions.SecurityAction.LinkDemand,Window = System.Security.Permissions.UIPermissionWindow.AllWindows)]
        protected override bool ProcessDialogKey(Keys keyData)
        {
            Keys key = (keyData & Keys.KeyCode);
            if (key == Keys.Enter) 
                return this.ProcessEscapeKey(keyData);
            return base.ProcessDialogKey(keyData);
        }
 
        [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.LinkDemand, Flags = System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)]
        protected override bool ProcessDataGridViewKey(KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter) 
                return this.ProcessZeroKey(e.KeyData);
            return base.ProcessDataGridViewKey(e);
        }
    }

class CustomDataGridView:DataGridView {
    protected override bool DoubleBuffered {
        get {
            return base.DoubleBuffered;
        }
        set {
            base.DoubleBuffered = value;
        }
    }
}

 public static void SetDoubleBuffered(Control control)
        {
            typeof(Control ).InvokeMember ("DoubleBuffered",
                BindingFlags.SetProperty | BindingFlags.Instance | BindingFlags .NonPublic,
                null, control , new object[] { true });
        }

this.dataGridView1 = new CustomDataGridView();

    protected override bool DoubleBuffered {
        get {
            return base.DoubleBuffered;
        }
        set {
            base.DoubleBuffered = value;
        }
    }

    this.dataGridView1 = new CustomDataGridView();

this.dataGridView1 = new Personal_accounting_of_graduates.CustomDataGridView();