// using System.Diagnostics;
private string appName = "calc.exe";
/// <summary>
/// 1. 啟動外部程序，不等待其退出
/// </summary>
private void button1_Click(object sender, EventArgs e)
{
Process.Start(appName);
MessageBox.Show(String.Format("外部程序 {0} 啟動完成！", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
/// <summary>
/// 2. 啟動外部程序，等待其退出
/// </summary>
private void button2_Click(object sender, EventArgs e)
{
try
{
Process proc = Process.Start(appName);
if (proc != null)
{
proc.WaitForExit(3000);
if (proc.HasExited) MessageBox.Show(String.Format("外部程序 {0} 已經(jīng)退出！", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
else
{
// 如果外部程序沒有結束運行則強行終止之。
proc.Kill();
MessageBox.Show(String.Format("外部程序 {0} 被強行終止！", this.appName), this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// 3. 啟動外部程序，無限等待其退出
/// </summary>
private void button3_Click(object sender, EventArgs e)
{
try
{
Process proc = Process.Start(appName);
if (proc != null)
{
proc.WaitForExit();
MessageBox.Show(String.Format("外部程序 {0} 已經(jīng)退出！", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// 4. 啟動外部程序，通過事件監(jiān)視其退出
/// </summary>
private void button4_Click(object sender, EventArgs e)
{
try
{
//啟動外部程序
Process proc = Process.Start(appName);
if (proc != null)
{
//監(jiān)視進程退出
proc.EnableRaisingEvents = true;
//指定退出事件方法
proc.Exited += new EventHandler(proc_Exited);
}
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
///啟動外部程序退出事件
/// </summary>
void proc_Exited(object sender, EventArgs e)
{
MessageBox.Show(String.Format("外部程序 {0} 已經(jīng)退出！", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);