打开对话框处理一些耗时任务时，需要实时显示处理进度，每次设计线程、主线程消息通讯和界面刷新都比较烦，因此设计一个基类。
using System; using System.Collections.Generic; using System.Windows.Forms; using System.Threading; using System.IO; using System.Diagnostics; using System.Drawing; public class BaseForm : Form { public delegate void OutputMsgEventHandle(ThreadOutputMsg msg); public event OutputMsgEventHandle OutputtedMsg; private SynchronizationContext _mainSynContext = null; private ThreadOutputMsg _msg = null; private void InitializeComponent() { this.SuspendLayout(); // // BaseForm // this.ClientSize = new System.Drawing.Size(284, 261); this.Name = "BaseForm"; this.ResumeLayout(false); } public BaseForm() { this.Load += new EventHandler(BaseForm_Load); } public Thread StartThread(ParameterizedThreadStart start, object parameter, OutputMsgEventHandle msgEnvent) { _mainSynContext = SynchronizationContext.Current; if (_msg == null) _msg = new ThreadOutputMsg(); //移除其他添加的事件 if (OutputtedMsg != null) { Delegate[] deles = OutputtedMsg.GetInvocationList(); foreach (Delegate dele in deles) { OutputtedMsg -= dele as OutputMsgEventHandle; } } if (msgEnvent != null) OutputtedMsg = msgEnvent; //开启线程 Thread thread = new Thread(start); if (parameter == null) thread.Start(); else thread.Start(parameter); return thread; } /// <summary> /// 线程内部调用，发送消息到主线程，这样就保证了OutputtedMsg事件肯定在主线程中执行 /// </summary> public virtual void OutputThreadMsg(int cur, int count, string msg, ThreadOutputMsgType msgType, object param = null) { if (OutputtedMsg == null || _mainSynContext == null) return; if (_msg == null) _msg = new ThreadOutputMsg(); _msg.Current = cur; _msg.Count = count; _msg.Message = msg; _msg.MsgType = msgType; _msg.Param = param; _mainSynContext.Send(new SendOrPostCallback(SendMessage_Callback), _msg); } /// <summary> /// 线程内部调用，发送消息到主线程，这样就保证了OutputtedMsg事件肯定在主线程中执行 /// </summary> public virtual void OutputThreadMsg(ThreadOutputMsg msg) { if (OutputtedMsg == null || _mainSynContext == null) return; _mainSynContext.Send(new SendOrPostCallback(SendMessage_Callback), msg); } /// <summary> /// 主线程的同步对象SynchronizationContext.Send调用，这个是在主线程中执行的 /// </summary> public virtual void SendMessage_Callback(object obj) { if (OutputtedMsg != null) OutputtedMsg(obj as ThreadOutputMsg); } /// <summary> /// 获取所有子文件，输出全路径 /// </summary> /// <param name="prjPath">待分析目录</param> /// <param name="filter">过滤后缀，默认".csproj"，多个用英文';'隔开，后缀前的'.'不能省略</param> /// <param name="files">输出的文件全路径列表</param> public void GetAllChildFiles(string destPath, ref List<string> files, string filter = null) { if (files == null) return; //获取文件夹信息 DirectoryInfo folder = new DirectoryInfo(destPath); if (!folder.Exists) return; //分析过滤后缀 bool bAll = false; if (string.IsNullOrWhiteSpace(filter) || filter == "*.*") bAll = true; else { filter = filter.Replace(" ", ""); filter = filter.Replace("*", ""); if (string.IsNullOrWhiteSpace(filter) || filter == ".") bAll = true; else { if (filter.Substring(filter.Length - 1) != ";") filter += ";"; filter = filter.ToLower(); } } //遍历文件 foreach (FileInfo file in folder.GetFiles()) { //不遍历隐藏文件 if ((file.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden) continue; if (bAll) files.Add(file.FullName); else if (string.IsNullOrWhiteSpace(file.Extension)) continue; else if (filter.IndexOf(file.Extension.ToLower() + ";") != -1 && file.FullName.IndexOf("DevExpress") == -1) files.Add(file.FullName); } //遍历文件夹 foreach (DirectoryInfo child in folder.GetDirectories()) { //不遍历隐藏文件夹 if ((child.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden) continue; GetAllChildFiles(child.FullName, ref files, filter); } } public void GetAllChildFiles(string destPath, ref List<string> files, ref List<string> folders) { if (files == null || folders == null) return; //获取文件夹信息 DirectoryInfo folder = new DirectoryInfo(destPath); if (!folder.Exists) return; //遍历文件 foreach (FileInfo file in folder.GetFiles()) { files.Add(file.FullName); } //遍历文件夹 foreach (DirectoryInfo child in folder.GetDirectories()) { folders.Add(child.FullName); GetAllChildFiles(child.FullName, ref files, ref folders); } } /// <summary> /// 完全退出程序 /// </summary> public void ExistApplication() { Process.GetCurrentProcess().Kill(); } private void BaseForm_Load(object sender, EventArgs e) { if (DesignMode) return; Button btnExit = new Button(); btnExit.Text = "退出"; btnExit.Location = new Point(this.Width - 16 + 1 - 37, -1);//可根据情况自由选择位置或设置为变量 btnExit.Size = new Size(37, 20); btnExit.Click += new EventHandler(BtnExit_Click); this.Controls.Add(btnExit); btnExit.BringToFront(); btnExit.TabStop = false; } private void BtnExit_Click(object sender, EventArgs e) { ExistApplication(); } } public class ThreadOutputMsg { public int Current { get; set; } public int Count { get; set; } public string Message { get; set; } public ThreadOutputMsgType MsgType { get; set; } /// <summary> /// 额外参数，由用户自定义 /// </summary> public object Param { get; set; } } public enum ThreadOutputMsgType { Error, Succeed, Normal}