private void Form1_Load(object sender, EventArgs e)
{
//主程序直接去Lib目录中搜索DLL文件
//第一步，获取当前程序运行的目录
string name = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Lib");
//获取所有Lib文件夹中的dll文件
string[] files = Directory.GetFiles(name, "*.dll");
//MessageBox.Show(files[0]);
//遍历所有的dll文件路径
foreach (string item in files)
{
//反射获取dll
Assembly ass = Assembly.LoadFile(item);
//获取所有公共的Type
Type[] types = ass.GetExportedTypes();
Type tpIEdit = typeof(IEditPlus);//获取接口的Type
for (int i = 0; i < types.Length; i++)
{
//判断每个type对象是否实现了接口
if (tpIEdit.IsAssignableFrom(types[i]) && !types[i].IsAbstract)
{
//创建接口实例
IEditPlus iedit = Activator.CreateInstance(types[i]) as IEditPlus;
//显示到视图下面
ToolStripItem tsi = tsm.DropDownItems.Add(iedit.Name);
//将该接口存储到tsi对象的tag中
tsi.Tag = iedit;
//给菜单注册单机事件
tsi.Click += new EventHandler(tsi_Click);
}
}
}
}
private void tsi_Click(object sender, EventArgs e)
{
ToolStripItem tsi = sender as ToolStripItem;
IEditPlus iedits = tsi.Tag as IEditPlus;
textBox1.Text = iedits.ChangeString(textBox1);
}
private void Form1_Load(object sender, EventArgs e)
{
//从Lib文件夹获得获得DLL文件
string appPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location); //得到程序集所在的文件路径
string libPath = Path.Combine(appPath, "Lib"); //得到Lib路径
string[] files = Directory.GetFiles(libPath, "*.dll");
for (int i = 0; i < files.Length; i++)
{
Assembly asb = Assembly.LoadFile(files[i]);
Type[] tps = asb.GetTypes(); //得到类型
Type iEdi = typeof(IEditPlus); //获取接口的类型
for (int j = 0; j < tps.Length; j++)
{
if (iEdi.IsAssignableFrom(tps[j]) && !(tps[i].IsAbstract))
{
IEditPlus plus = (IEditPlus)Activator.CreateInstance(tps[j]);
ToolStripItem tsi = tmi.DropDownItems.Add(plus.Name);
tsi.Tag = plus;
tsi.Click += new EventHandler(tsi_Click);
}
}//判断插件是否符合规范
}
}
