程序代码：

using System.Windows.Forms;
using System.Reflection;
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void toolStripTextBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)Keys.Enter)
            {
                //已知程序集的文件名或路径，加载程序集。
                Assembly assembly = Assembly.LoadFrom(toolStripTextBox1.Text);
                TreeNode tn = new TreeNode();
                treeView1.Nodes.Clear();
                //遍历程序集所有的类
                foreach (System.Type t in assembly.GetTypes())
                {
                    tn = new TreeNode(t.Name, 1, 1);
                    TreeNode property = new TreeNode("属性", 0, 0);
                    tn.Nodes.Add(property);
                    //遍历每个类的属性
                    foreach (PropertyInfo p in t.GetProperties())
                    {
                        TreeNode pn = new TreeNode(p.Name, 0, 0);
                        property.Nodes.Add(pn);
                    }
                    TreeNode method = new TreeNode("方法", 2, 2);
                    tn.Nodes.Add(method);
                    //遍历每个类的方法
                    foreach (MethodInfo m in t.GetMethods())
                    {
                        string s = "";
                        //遍历某个方法的参数
                        foreach (ParameterInfo par in m.GetParameters())
                        {
                            s += string.Format("{0} {1},", par.ParameterType.Name, par.Name);
                        }
                        if (s.Length > 0)
                            s = s.Substring(0, s.Length - 1);
                        s = m.ReturnType.Name + " " + m.Name + "(" + s + ")";
                        TreeNode mn = new TreeNode(s, 2, 2);
                        method.Nodes.Add(mn);
                    }
                    TreeNode even = new TreeNode("事件", 3, 3);
                    tn.Nodes.Add(even);
                    //遍历每个类的事件
                    foreach (EventInfo ei in t.GetEvents())
                    {
                        string s = ("event " + ei.EventHandlerType.Name + " " + ei.Name);
                        TreeNode en = new TreeNode(s, 3, 3);
                        even.Nodes.Add(en);
                    }
                    treeView1.Nodes.Add(tn);
                }
            }


        }
    }
}

WindowsFormsApplication1.rar (59.86 KB)