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public void CloseAll(MenuStrip MenuS)//1.关闭所有        {            try            {                for (int i = 0; i < MenuS.Items.Count; i++)                {                    ToolStripMenuItem mu = (ToolStripMenuItem)MenuS.Items[i];//获取MenuS横向的主菜单                    LockAllMenuAndMenuItem(mu);                }            }            catch (System.Exception ex)            {                MessageBox.Show(ex.Message, "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);            }        }        private void LockAllMenuAndMenuItem(ToolStripMenuItem mi)//子菜单无限级禁止        {                        if (mi.DropDownItems.Count > 0)            {                               for (int i = 0; i < mi.DropDownItems.Count; i++)                {                    if (mi.DropDownItems[i].GetType().Name == "ToolStripSeparator")//分隔符"-"类型为ToolStripSeparator                    {                    }                    else                    {                        mi.DropDownItems[i].Enabled = false;//处理                        ToolStripMenuItem DropItem = (ToolStripMenuItem)mi.DropDownItems[i];//无限级循环                        LockAllMenuAndMenuItem(DropItem);                    }                }                            }            else            {            }        }        private void UNLockAllMenuAndMenuItem(ToolStripMenuItem mi)//子菜单授权解锁        {            if (mi.DropDownItems.Count > 0)            {                for (int i = 0; i < mi.DropDownItems.Count; i++)                {                    if (mi.DropDownItems[i].GetType().Name == "ToolStripSeparator")//分隔符"-"类型为ToolStripSeparator                    {                        mi.DropDownItems[i].Enabled = true;//处理                    }                    else                    {                        DataSet ds = Conn.getDataSet("select popname from userpop where username='" + username + "'", "tb_UserPope");//获取当前用户的权限信息                        foreach (DataRow dr in ds.Tables[0].Rows)                        {                            if (dr[0].ToString().ToUpper().Trim() == mi.DropDownItems[i].Name.ToUpper() || mi.DropDownItems[i].Name.Contains("StripMenuItem"))                            {                                mi.DropDownItems[i].Enabled = true;//处理                                ToolStripMenuItem DropItem = (ToolStripMenuItem)mi.DropDownItems[i];//无限级循环                                UNLockAllMenuAndMenuItem(DropItem);                            }                        }                                            }                }            }            else            {            }        }        public void OpenAll(MenuStrip MenuS)//2.允许所有授权的        {           try           {               for (int i = 0; i < MenuS.Items.Count; i++)               {                   ToolStripMenuItem mu = (ToolStripMenuItem)MenuS.Items[i];//获取MenuS横向的主菜单                   UNLockAllMenuAndMenuItem(mu);//解锁授权               }           }           catch (System.Exception ex)           {               MessageBox.Show(ex.Message, "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information);           }        }
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