static class Program{/// <summary>/// 应用程序的主入口点。/// </summary>
        [STAThread]static void Main(){Application.EnableVisualStyles();Application.SetCompatibleTextRenderingDefault(false);//登陆界面FrmLogin dlg = new FrmLogin();dlg.StartPosition = FormStartPosition.CenterScreen;if (DialogResult.OK == dlg.ShowDialog()){SplashScreen.Splasher.Show(typeof(SplashScreen.FrmSplashScreen));Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);Application.Run(new FrmMain());}}private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs ex){//LogHelper.Error(ex.Exception);string message = string.Format("{0}\r\n操作发生错误，您需要退出系统么？", ex.Exception.Message);if (DialogResult.Yes ==MessageBox.Show(message,"系统错误",MessageBoxButtons.YesNo)){Application.Exit();}}}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Reflection;namespace SplashScreen
{public class Splasher{private static Form m_SplashForm = null;private static ISplashForm m_SplashInterface = null;private static Thread m_SplashThread = null;private static string m_TempStatus = string.Empty;/// <summary>/// Show the SplashForm/// </summary>public static void Show(Type splashFormType){if (m_SplashThread != null)return;if (splashFormType == null){throw (new Exception("splashFormType is null"));}m_SplashThread = new Thread(new ThreadStart(delegate(){CreateInstance(splashFormType);Application.Run(m_SplashForm);}));m_SplashThread.IsBackground = true;m_SplashThread.SetApartmentState(ApartmentState.STA);m_SplashThread.Start();}/// <summary>/// set the loading Status/// </summary>public static string Status{set{if (m_SplashInterface == null || m_SplashForm == null){m_TempStatus = value;return;}m_SplashForm.Invoke(new SplashStatusChangedHandle(delegate(string str) { m_SplashInterface.SetStatusInfo(str); }),new object[] { value });}}/// <summary>/// Colse the SplashForm/// </summary>public static void Close(){if (m_SplashThread == null || m_SplashForm == null) return;try{m_SplashForm.Invoke(new MethodInvoker(m_SplashForm.Close));}catch (Exception){}m_SplashThread = null;m_SplashForm = null;}private static void CreateInstance(Type FormType){//利用反射创建对象object obj = Activator.CreateInstance(FormType);m_SplashForm = obj as Form;m_SplashInterface = obj as ISplashForm;if (m_SplashForm == null){throw (new Exception("Splash Screen must inherit from System.Windows.Forms.Form"));}if (m_SplashInterface == null){throw (new Exception("must implement interface ISplashForm"));}if (!string.IsNullOrEmpty(m_TempStatus))m_SplashInterface.SetStatusInfo(m_TempStatus);}private delegate void SplashStatusChangedHandle(string NewStatusInfo);}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;namespace SplashScreen
{/// <summary>/// interface for Splash Screen/// </summary>public interface ISplashForm{void SetStatusInfo(string NewStatusInfo);}
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace SplashScreen
{public partial class FrmSplashScreen : Form,ISplashForm{public FrmSplashScreen(){InitializeComponent();}//实现接口方法，主要用于接口的反射调用#region ISplashFormvoid ISplashForm.SetStatusInfo(string NewStatusInfo){lbStatusInfo.Text = NewStatusInfo;}#endregion}
}

namespace SplashScreen
{public partial class FrmMain : Form{public FrmMain(){InitializeComponent();System.Threading.Thread.Sleep(800);Splasher.Status = "正在展示相关的内容......";System.Threading.Thread.Sleep(800);//.......此处加载耗时的代码
Splasher.Status = "初始化完毕............";System.Threading.Thread.Sleep(800);Splasher.Close();}}
}