C#+Winform 实现切换用户功能

方法一和方法二均为退出主进程后，重新开启新进程。方法三为不退出主进程，将窗体隐藏，切换用户时，重新新建一个窗体。被隐藏的窗体与新建的窗体同在一个线程下。

方法一：

#region 登录部分
private void RtnLoginOK_Click(object sender, EventArgs e)	//登录按钮单击事件
{
this.Hide();
FrmRoutineMain formRtnLoginOK = new FrmRoutineMain();	//新建主窗体
formRtnLoginOK.ShowDialog();
}
#endregion

#region 切换用户
private void RtnMainSwitchUser_Click(object sender, EventArgs e)	//切换用户按钮单击事件
{
if (DialogResult.Yes == MessageBox.Show("您确定要退出登陆吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question))
{
System.Diagnostics.Process.Start(System.Reflection.Assembly.GetExecutingAssembly().Location, "+自己程序设置的启动参数，没有则省略");
Process.GetCurrentProcess().Kill();
}
}
#endregion

方法二：

#region 登录部分
private void RtnLoginOK_Click(object sender, EventArgs e)	//登录按钮单击事件
{
this.Hide();
FrmRoutineMain formRtnLoginOK = new FrmRoutineMain();	//新建主窗体
formRtnLoginOK.ShowDialog();
}
#endregion

#region 切换用户
private void RtnMainSwitchUser_Click(object sender, EventArgs e)
{
if (DialogResult.Yes == MessageBox.Show("您确定要退出登陆吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question))
{
StartExe(Application.ExecutablePath);
Thread.Sleep(1000);
Application.ExitThread();
}
}

private static void StartExe(string appName)
{
string path = appName;
Process ps = new Process();
ps.StartInfo.FileName = path;
ps.StartInfo.Arguments = "-routine";
ps.StartInfo.CreateNoWindow = true;
ps.StartInfo.WorkingDirectory = Path.GetDirectoryName(path);
ps.Start();
}
#endregion

方法三：

#region 登录部分

private void RtnLoginOK_Click(object sender, EventArgs e)	//登录按钮单击事件
{
this.Hide();
FrmRoutineMain formRtnLoginOK = new FrmRoutineMain();	//新建主窗体
formRtnLoginOK.ShowDialog();
}

#endregion#region 切换用户private void RtnMainSwitchUser_Click(object sender, EventArgs e){if (DialogResult.Yes == MessageBox.Show("您确定要退出登陆吗？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question)){this.Hide();Form NewForm = new FrmRoutineLogin();
//新建登录窗体NewForm.ShowDialog(); }}#endregion