/// 3. 启动外部程序,无限等待其退出
/// </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} 已经退出!", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// 4. 启动外部程序,通过事件监视其退出
/// </summary>
private void button4_Click(object sender, EventArgs e)
{
try
{
//启动外部程序
Process proc = Process.Start(appName);
if (proc != null)
{
//监视进程退出
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>
///启动外部程序退出事件
/// </summary>
void proc_Exited(object sender, EventArgs e)
{
MessageBox.Show(String.Format("外部程序 {0} 已经退出!", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);