code realize if the user closed a specific window from out side the program

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hi all

i wrote a code that have a button to open power point file by openfiledialog.
if the user opened a file by that button, and then closed this file,i need the code that realize whenever the user closed that file.

Posted 30-Dec-11 8:26am

graduate student

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Nueman 30-Dec-11 14:43pm

It is rude to double post, particularly when someone has answered your question. See your first post.

2 solutions

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Wendelius · Answer 1 · 2011-12-30T08:48:00

Solution 1

If you create the presentation using interop, you can use EApplication_Event.PresentationClose[^] event to get a notification before the presentation is closed.

Posted 30-Dec-11 8:48am

Wendelius

OriginalGriff · Answer 2 · 2011-12-30T08:48:00

When you start the process, handle the Process.Exited event - as long as you enable the Process.EnableRaisingEvents you will get an event when the external app ends:

C#

    Process p = new Process();
    ProcessStartInfo psi = new ProcessStartInfo(@"D:\Temp\myLargeTextFile.txt");
    p.EnableRaisingEvents = true;
    p.StartInfo = psi;
    p.Exited += new EventHandler(process_Exited);
    p.Start();
    ...

void process_Exited(object sender, EventArgs e)
    {
    MessageBox.Show("It closed");
    }