CODEWITHSUNDEEP
c#wpf
user4137741
user4137741

Reputation:

Process on kill event C#

I'm using C# WPF.
I have list of Process that i run them with Start() command.
I want to know when the user exit from the process and to catch the event.
What i'm tried: 

myProcess.StartInfo.FileName = fileName;
myProcess.EnableRaisingEvents = true;
myProcess.Exited += new EventHandler(myProcess_Exited);
myProcess.Start();

*myProcess is Process object.
The problem is immediately after Start() command the application is closed and myProcess_Exited callback called.
Where is my mistake?

Upvotes: 5

Views: 5615

Answers (2)

Travis
Travis

Reputation: 2180

myProcess.StartInfo.FileName = fileName;
myProcess.EnableRaisingEvents = true;
myProcess.Exited += new EventHandler(myProcess_Exited);
myProcess.Start();
myProcess.WaitForExit();

Or,

myProcess.WaitForExit(timeout);

Upvotes: -1

BendEg
BendEg

Reputation: 21138

The only reason for that behaviour is, that the exe you start is closing or crahsing directly after starting it. For example if the exe is a console application which does not have any user-input or some thing else. Try your code with Notepad.exe and you'll see it works.

Take a look at this IronPython code, which is mainly .net code as your application (only easier for testing purpose):

from System.Diagnostics import Process

def on_exit(s, e):
    print ('Exited')

process = Process()
process.StartInfo.FileName = "C:\\Windows\\System32\\notepad.exe"
process.EnableRaisingEvents = True
process.Exited += on_exit;
process.Start()

Exit is called if i close Notepad.

EDIT

If you want to detected which app was closed/exited, just case your sender object to Process and access it's FileName over StartInfo. For example:

private void OnExited(object sender, EventArgs, e)
{
    var process = (sender as Process);
    Console.WriteLine(process.StartInfo.FileName);
}

Hope this helps.

Upvotes: 8

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