ZForge.Controls.TreeViewAdv.Tree.TreeViewAdv.IsInputKey C# (CSharp) Method

        protected override bool IsInputKey(Keys keyData)
        {
            if (((keyData & Keys.Up) == Keys.Up)
                || ((keyData & Keys.Down) == Keys.Down)
                || ((keyData & Keys.Left) == Keys.Left)
                || ((keyData & Keys.Right) == Keys.Right))
                return true;
            else
                return base.IsInputKey(keyData);
        }