[WinForm]TreeView 마우스 오른쪽 버튼 추가 메뉴

2651 단어 treeview
전원 끄기 코드:


        #region       



        /// <summary>

        ///       

        /// <para>eg: treeF18.AttachMenu(contextMenuTree, n => n != null);</para>

        /// </summary>

        /// <param name="treeView">TreeView</param>

        /// <param name="contextMenu">ContextMenuStrip</param>

        /// <param name="showContextMenuHanlder">  ContextMenuStrip    </param>

        public static void AttachMenu(this TreeView treeView, ContextMenuStrip contextMenu, Predicate<TreeNode> showContextMenuHanlder)

        {

            treeView.MouseDown += (sender, e) =>

            {

                TreeView _curTree = sender as TreeView;

                if (e.Button == MouseButtons.Right)

                {

                    Point _clickPoint = new Point(e.X, e.Y);

                    TreeNode _curNode = _curTree.GetNodeAt(_clickPoint);

                    if (showContextMenuHanlder != null)

                    {

                        if (showContextMenuHanlder(_curNode))

                        {

                            _curTree.SelectedNode = _curNode;

                            _curNode.ContextMenuStrip = contextMenu;

                        }

                    }

                }

            };

        }



        #endregion       

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