珂珂的个人博客 - 一个程序猿的个人网站
001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 | using System;using System.Collections.Generic;using System.Text;using System.Windows.Forms;using System.Reflection;using System.ComponentModel;namespace WinFormLib{ public class MenuClone { //使用例子 //private void Form1_Load(object sender, EventArgs e) //{ // // this.contextMenuStrip1.Items.Clear(); // MenuClone mc = new MenuClone(); // this.contextMenuStrip1.Items.Add(mc.CloneToolStripMenuItem(文件ToolStripMenuItem1, true)); //} //private void 退出ToolStripMenuItem1_Click(object sender, EventArgs e) //{ // 退出ToolStripMenuItem1.Checked = !退出ToolStripMenuItem1.Checked; // this.contextMenuStrip1.Items.Clear(); // MenuClone mc = new MenuClone(); // this.contextMenuStrip1.Items.Add(mc.CloneToolStripMenuItem(文件ToolStripMenuItem1, true)); //} private ToolStripMenuItem DestToolStripMenuItem = new ToolStripMenuItem(); private bool IsAddSourceMenuClick = false; ////// 克隆某项菜单 IsDropDownItemsClone参数指定是否克隆该项菜单的子菜单 只克隆 Name ,Enabel,Text,Checked,CheckState属性和click事件 另外加了一 个click事件方法用于同步以上 属性 //////源菜单///是否克隆子菜单///public ToolStripMenuItem CloneToolStripMenuItem(ToolStripMenuItem SourceMenu, bool IsDropDownItemsClone) { if (!IsDropDownItemsClone) { ToolStripMenuItem item = new ToolStripMenuItem(); item.Name = SourceMenu.Name; item.Text = SourceMenu.Text; item.Checked = SourceMenu.Checked; item.CheckState = SourceMenu.CheckState; item.Enabled = SourceMenu.Enabled; PropertyInfo propertyInfo = (typeof(ToolStripItem)).GetProperty("Events", BindingFlags.Instance | BindingFlags.NonPublic); EventHandlerList eventHandlerList = (EventHandlerList)propertyInfo.GetValue(SourceMenu, null); FieldInfo fieldInfo = (typeof(ToolStripItem)).GetField("EventClick", BindingFlags.Static | BindingFlags.NonPublic); if (fieldInfo != null) { Delegate d = eventHandlerList[fieldInfo.GetValue(null)]; if (d != null) { foreach (Delegate de in d.GetInvocationList()) { item.Click += (EventHandler)de; // MessageBox.Show(de.Method.Name); } } } if (IsAddSourceMenuClick == false) //如果没有添加自定义事件 { // SourceMenu.Click+=new EventHandler(SourceMenu_Click); // item.Click += new EventHandler(SourceMenu_Click); IsAddSourceMenuClick = true; } return item; } else { if (SourceMenu.OwnerItem == null) //如果是根菜单 // if (DestToolStripMenuItem.Name != SourceMenu.Name) DestToolStripMenuItem = this.CloneToolStripMenuItem(SourceMenu, false); for (int i = 0; i < SourceMenu.DropDownItems.Count; i++) { ToolStripMenuItem t = (ToolStripMenuItem)SourceMenu.DropDownItems[i]; if (((ToolStripMenuItem)t.OwnerItem).OwnerItem == null) //如果上一级的上一级没有父菜单 { // if (!DestToolStripMenuItem.DropDownItems.ContainsKey(t.Name)) DestToolStripMenuItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } else { ToolStripMenuItem fatherItem = ((ToolStripMenuItem)(DestToolStripMenuItem.DropDownItems.Find(((ToolStripMenuItem)t.OwnerItem).Name, true)[0])); // if (!fatherItem.DropDownItems.ContainsKey(t.Name)) fatherItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } if (t.HasDropDownItems) { CloneToolStripMenuItem(t, true); } } return DestToolStripMenuItem; } } ////// 为对象ContextMenuStrip,MenuStrip,ToolStripSplitButton,ToolStripDropDownButton, ToolStripMenuItem添加克隆菜单 不包含根菜单 同时会覆盖原菜单Name相同的菜单 ////////////public void CloneToolStripMenuItem(ToolStripMenuItem SourceMenu, object obj, int StartIndex) { for (int i = StartIndex; i < SourceMenu.DropDownItems.Count + StartIndex; i++) { ToolStripMenuItem t = (ToolStripMenuItem)SourceMenu.DropDownItems[i - StartIndex]; if (((ToolStripMenuItem)t.OwnerItem).OwnerItem == null) //如果上一级的上一级没有父菜单 { if (obj is ContextMenuStrip) { if ((obj as ContextMenuStrip).Items.ContainsKey(t.Name)) (obj as ContextMenuStrip).Items.RemoveByKey(t.Name); (obj as ContextMenuStrip).Items.Insert(i, this.CloneToolStripMenuItem(t, false)); } if (obj is MenuStrip) { if ((obj as MenuStrip).Items.ContainsKey(t.Name)) (obj as MenuStrip).Items.RemoveByKey(t.Name); (obj as MenuStrip).Items.Insert(i, this.CloneToolStripMenuItem(t, false)); } if (obj is ToolStripSplitButton) { if ((obj as ToolStripSplitButton).DropDownItems.ContainsKey(t.Name)) (obj as ToolStripSplitButton).DropDownItems.RemoveByKey(t.Name); (obj as ToolStripSplitButton).DropDownItems.Insert(i, this.CloneToolStripMenuItem(t, false)); } if (obj is ToolStripDropDownButton) { if ((obj as ToolStripDropDownButton).DropDownItems.ContainsKey(t.Name)) (obj as ToolStripDropDownButton).DropDownItems.RemoveByKey(t.Name); (obj as ToolStripDropDownButton).DropDownItems.Insert(i, this.CloneToolStripMenuItem(t, false)); } if (obj is ToolStripMenuItem) { if ((obj as ToolStripMenuItem).DropDownItems.ContainsKey(t.Name)) (obj as ToolStripMenuItem).DropDownItems.RemoveByKey(t.Name); (obj as ToolStripMenuItem).DropDownItems.Insert(i, this.CloneToolStripMenuItem(t, false)); } } else //添加子菜单 { if (obj is ContextMenuStrip) { ToolStripMenuItem fatherItem = ((ToolStripMenuItem)((obj as ContextMenuStrip).Items.Find(((ToolStripMenuItem)t.OwnerItem).Name, true)[0])); if (fatherItem.DropDownItems.ContainsKey(t.Name)) fatherItem.DropDownItems.RemoveByKey(t.Name); fatherItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } if (obj is MenuStrip) { ToolStripMenuItem fatherItem = ((ToolStripMenuItem)((obj as MenuStrip).Items.Find(((ToolStripMenuItem)t.OwnerItem).Name, true)[0])); if (fatherItem.DropDownItems.ContainsKey(t.Name)) fatherItem.DropDownItems.RemoveByKey(t.Name); fatherItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } if (obj is ToolStripSplitButton) { ToolStripMenuItem fatherItem = ((ToolStripMenuItem)((obj as ToolStripSplitButton).DropDownItems.Find(((ToolStripMenuItem)t.OwnerItem).Name, true)[0])); if (fatherItem.DropDownItems.ContainsKey(t.Name)) fatherItem.DropDownItems.RemoveByKey(t.Name); fatherItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } if (obj is ToolStripDropDownButton) { ToolStripMenuItem fatherItem = ((ToolStripMenuItem)((obj as ToolStripDropDownButton).DropDownItems.Find(((ToolStripMenuItem)t.OwnerItem).Name, true)[0])); if (fatherItem.DropDownItems.ContainsKey(t.Name)) fatherItem.DropDownItems.RemoveByKey(t.Name); fatherItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } if (obj is ToolStripMenuItem) { ToolStripMenuItem fatherItem = ((ToolStripMenuItem)((obj as ToolStripMenuItem).DropDownItems.Find(((ToolStripMenuItem)t.OwnerItem).Name, true)[0])); if (fatherItem.DropDownItems.ContainsKey(t.Name)) fatherItem.DropDownItems.RemoveByKey(t.Name); fatherItem.DropDownItems.Add(this.CloneToolStripMenuItem(t, false)); } } if (t.HasDropDownItems) { CloneToolStripMenuItem(t, obj, 0); } } } ////// 在最开始处添加菜单 /////////public void CloneToolStripMenuItem(ToolStripMenuItem SourceMenu, object obj) { CloneToolStripMenuItem(SourceMenu, obj, 0); } }} |