using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Reflection;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using ITest;namespace WindowsFormsApp2{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { listBox1.Items.Clear(); string path = Environment.CurrentDirectory; // 1.加载plugins目录下的所有的dll文件 string plugins = path "\\plugins"; // 1.1 搜索plugins目录下的所有的dll文件 string[] dlls = Directory.GetFiles(plugins, "*.dll"); // 2.循环将每个dll文件都加载起来 foreach (string dllPath in dlls) { // 2.1 动态加载当前循环的dll文件 Assembly assembly = Assembly.LoadFile(dllPath); // 2.2 获取当前dll中的所有的public类型 Type[] types = assembly.GetExportedTypes(); // 2.3 获取IEditor接口的Type Type typeIEditor = typeof(ITest.ITest); for (int i = 0; i < types.Length; i ) { // 2.4 验证当前的类型即实现了IEditor接口并且该类型还可以被实例化 if (typeIEditor.IsAssignableFrom(types[i]) && !types[i].IsAbstract) { ITest.ITest editor = (ITest.ITest)Activator.CreateInstance(types[i]); // 2.5 向菜单栏中动态添加一个菜单项 listBox1.Items.Add(new Proj(editor)); //ToolStripItem toolItem = 编辑ToolStripMenuItem.DropDownItems.Add(editor.Name); // 2.6 为刚刚增加的菜单项注册一个单击事件 //toolItem.Click = new EventHandler(toolItem_Click); //toolItem.Tag = editor; } } } Dictionary<string, string> dict = new Dictionary<string, string>(); dict.Add("Red", Environment.CurrentDirectory "\\plugins\\TestRed.dll"); dict.Add("Blue", Environment.CurrentDirectory "\\plugins\\TestBlue.dll"); dict.Add("Red1", Environment.CurrentDirectory "\\plugins\\TestRed.dll"); dict.Add("Blue1", Environment.CurrentDirectory "\\plugins\\TestBlue.dll"); listBox2.Items.Clear(); foreach (string str in dict.Keys) { // 2.1 动态加载当前循环的dll文件 Assembly assembly = Assembly.LoadFile(dict[str]); // 2.2 获取当前dll中的所有的public类型 Type[] types = assembly.GetExportedTypes(); // 2.3 获取IEditor接口的Type Type typeIEditor = typeof(ITest.ITest); for (int i = 0; i < types.Length; i ) { // 2.4 验证当前的类型即实现了IEditor接口并且该类型还可以被实例化 if (typeIEditor.IsAssignableFrom(types[i]) && !types[i].IsAbstract) { ITest.ITest editor = (ITest.ITest)Activator.CreateInstance(types[i]); // 2.5 向菜单栏中动态添加一个菜单项 listBox2.Items.Add(new Proj(editor)); //ToolStripItem toolItem = 编辑ToolStripMenuItem.DropDownItems.Add(editor.Name); // 2.6 为刚刚增加的菜单项注册一个单击事件 //toolItem.Click = new EventHandler(toolItem_Click); //toolItem.Tag = editor; } } } } public class Proj { public Proj(ITest.ITest test) { this.Name = test.Name; this.Test = test; } public string Name; public ITest.ITest Test; public override string ToString() { return Name; } } private void listBox1_MouseDoubleClick(object sender, MouseEventArgs e) { } private void listBox1_MouseClick(object sender, MouseEventArgs e) { ListBox listBox = sender as ListBox; if (listBox.SelectedItem == null) { return; } Proj proj = listBox.SelectedItem as Proj; ITest.ITest test = proj.Test as ITest.ITest; test.Exe(textBox1); } private void button_Click(object sender, EventArgs e) { string path = Environment.CurrentDirectory; string dllPath = ""; Button bb = sender as Button; dllPath = $"{Environment.CurrentDirectory}\\plugins\\{bb.Text}.dll"; // 2.1 动态加载当前循环的dll文件 Assembly assembly = Assembly.LoadFile(dllPath); // 2.2 获取当前dll中的所有的public类型 Type[] types = assembly.GetExportedTypes(); // 2.3 获取IEditor接口的Type Type typeIEditor = typeof(ITest.ITest); for (int i = 0; i < types.Length; i ) { // 2.4 验证当前的类型即实现了IEditor接口并且该类型还可以被实例化 if (typeIEditor.IsAssignableFrom(types[i]) && !types[i].IsAbstract) { ITest.ITest editor = (ITest.ITest)Activator.CreateInstance(types[i]); editor.Exe(textBox1); } } } private void Exe(string path) { // 2.1 动态加载当前循环的dll文件 Assembly assembly = Assembly.LoadFile(path); // 2.2 获取当前dll中的所有的public类型 Type[] types = assembly.GetExportedTypes(); // 2.3 获取IEditor接口的Type Type typeIEditor = typeof(ITest.ITest); for (int i = 0; i < types.Length; i ) { // 2.4 验证当前的类型即实现了IEditor接口并且该类型还可以被实例化 if (typeIEditor.IsAssignableFrom(types[i]) && !types[i].IsAbstract) { ITest.ITest editor = (ITest.ITest)Activator.CreateInstance(types[i]); editor.Exe(textBox1); } } } private void Exe(string path, Color color) { // 2.1 动态加载当前循环的dll文件 Assembly assembly = Assembly.LoadFile(path); // 2.2 获取当前dll中的所有的public类型 Type[] types = assembly.GetExportedTypes(); // 2.3 获取IEditor接口的Type Type typeIEditor = typeof(ITest.ITest); for (int i = 0; i < types.Length; i ) { // 2.4 验证当前的类型即实现了IEditor接口并且该类型还可以被实例化 if (typeIEditor.IsAssignableFrom(types[i]) && !types[i].IsAbstract) { ITest.ITest editor = (ITest.ITest)Activator.CreateInstance(types[i]); editor.ExeColor(textBox1, color); } } } private void button1_Click(object sender, EventArgs e) { Button b1 = sender as Button; string sName = b1.Text; string dllPath = $"{Environment.CurrentDirectory}\\plugins\\{sName}.dll"; Exe(dllPath); } private void button2_Click(object sender, EventArgs e) { DialogResult dr = colorDialog1.ShowDialog(); if (dr != DialogResult.OK) { return; } Button b1 = sender as Button; string sName = b1.Text; string dllPath = $"{Environment.CurrentDirectory}\\plugins\\{sName}.dll"; Exe(dllPath, colorDialog1.Color); } private void listBox2_MouseClick(object sender, MouseEventArgs e) { ListBox listBox = sender as ListBox; if (listBox.SelectedItem == null) { return; } Proj proj = listBox.SelectedItem as Proj; ITest.ITest test = proj.Test as ITest.ITest; test.Exe(textBox1); } }}
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