Dim p As ProcessPrivate Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click p = New Process p.StartInfo.FileName = "NotePad.exe" p.EnableRaisingEvents = True '启用事件 p.SynchronizingObject = Me '指定同步对象 AddHandler p.Exited, AddressOf Me.tExited p.Start()End Sub Private Sub tExited(ByVal sender As Object, ByVal e As EventArgs) MsgBox("已经结束!") ' p.Close() End Sub
不需要打开文件进行操作
2. 启动外部程序,等待其退出。
3. 启动外部程序,无限等待其退出。
4. 启动外部程序,通过事件监视其退出。 复制 保存
// using System.Diagnostics;
private string appName = "calc.exe";
/// <summary>
/// 1. 启动外部程序,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} 启动完成!", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
/// <summary>
/// 2. 启动外部程序,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} 已经退出!", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
else
{
// 如果外部程序没有结束运行则强行终止之。
proc.Kill();
MessageBox.Show(String.Format("外部程序 {0} 被强行终止!", this.appName), this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// 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);
}
p = New Process
p.StartInfo.FileName = "NotePad.exe"
p.EnableRaisingEvents = True '启用事件
p.SynchronizingObject = Me '指定同步对象
AddHandler p.Exited, AddressOf Me.tExited
p.Start()End Sub
Private Sub tExited(ByVal sender As Object, ByVal e As EventArgs)
MsgBox("已经结束!")
' p.Close()
End Sub