C# treeview右键菜单 设置技巧
//在NodeMouseClick事件中 再将cms设定成treeview的cms. 这样点空,不会出现右键菜单.
//右键菜单
private void tv_Roots_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
if (e.Button != MouseButtons.Right) return;
if (e.Node.Parent == null || e.Node == null) return;
tv_Roots.SelectedNode = e.Node;
cmsRouts.Show(tv_Roots, e.X, e.Y);
}
//不同节点对应不同右键菜单的实现
用1个cms. 右键点击树节点时,根据节点类型生成cms的MenuItem项及点击事件
private void tvOneRoot_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) { if (e.Button != MouseButtons.Right) return; if (e.Node == null) return; //无节点 if (e.Node.Level == 0) return; int nodeType = GetNodeTypeByGuid(e.Node.Name); tvOneRoot.SelectedNode = e.Node; InitcmsOneRout(nodeType); cmsOneRout.Show(tvOneRoot, e.X, e.Y); } /// <summary> /// 初始化cmsOneRoot 从nodetype /// </summary> /// <param name="nodetype"></param> private void InitcmsOneRout(int nodetype) { cmsOneRout = new ContextMenuStrip(); if (nodetype == -1) { ToolStripMenuItem tmiEditRoutStation = new ToolStripMenuItem("编辑飞行站点"); tmiEditRoutStation.Click += new EventHandler(tmiEditRoutStation_Click); cmsOneRout.Items.Add(tmiEditRoutStation); ToolStripMenuItem tmiMoveRouteStation = new ToolStripMenuItem("更改位置"); tmiMoveRouteStation.Click += new EventHandler(tmiMoveRouteStation_Click); cmsOneRout.Items.Add(tmiMoveRouteStation); ToolStripMenuItem tmiDeleRouteStation = new ToolStripMenuItem("删除飞行站点"); tmiDeleRouteStation.Click += new EventHandler(tmiDeleRouteStation_Click); cmsOneRout.Items.Add(tmiDeleRouteStation); } else if (nodetype == 0) { ToolStripMenuItem tmiEditRout = new ToolStripMenuItem("编辑飞行段属性"); tmiEditRout.Click += new EventHandler(tmiEditRout_Click); cmsOneRout.Items.Add(tmiEditRout); ToolStripMenuItem tmiDeleteRout = new ToolStripMenuItem("删除飞行段"); tmiDeleteRout.Click += new EventHandler(tmiDeleteRout_Click); cmsOneRout.Items.Add(tmiDeleteRout); } else if (nodetype == 1) { } else if (nodetype == 2) { } else { } } void tmiEditRout_Click(object sender, EventArgs e)//编辑飞行段 { string routId = tvOneRoot.SelectedNode.Name; RouteParameter rp = GetRouteParaByGuid(routId); FrmPointProperty frm = new FrmPointProperty(rp, 0, 1); frm.OnRoutInfoUpdated += new FrmPointProperty.DelegateRouteInfoUpdated(frm_OnRoutInfoUpdated); frm.ShowDialog(); }