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先看看效果:
核心代码: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Reflection; namespace WinFormDemo { public partial class FrmMain : Form { public FrmMain() { InitializeComponent(); } private void tvMenu_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e) { if (null != e.Node.Parent) { if (0 == e.Node.Nodes.Count) { ShowForm(e.Node.Text); } } } private void ShowForm(string strFormName) { Form frm = GetForm(strFormName); frm.BringToFront(); frm.Show(); } private Form GetForm(string strFormName) { Control.ControlCollection ctrls = pnlCentral.Controls; if (ctrls.ContainsKey(strFormName)) { return ctrls[strFormName] as Form; } else { Assembly assembly = Assembly.GetExecutingAssembly(); Type type = assembly.GetTypes().Where(item => item.Name.Equals(strFormName)).FirstOrDefault(); Form frm = assembly.CreateInstance(type.FullName) as Form; frm.Name = strFormName; frm.TopLevel = false; frm.Dock = DockStyle.Fill; frm.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; pnlCentral.Controls.Add(frm); return frm; } } } } 以上就是FrmMain主界面核心代码。以上代码没有进行优化,根据个人经验自己优化下。
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