How do I launch app
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  1. #1
    Join Date
    Jan 2008
    Posts
    2

    Arrow How do I launch app

    I am writing a configurable launcher for custom World of warcraft servers. The problem I am having is when I run the app I get an exception. The exception I get is it can't find the program. I am using the app settings object in c# i.e. settings1.settings. The data I put in stays put and is being called to the main form.

    Code:
     string InstallPath = Properties.Settings1.Default.path2;
                //MessageBox.Show(InstallPath);
                Process.Start(InstallPath + "WoW.exe");
                Application.Exit();
    When it runs Process.Start it throws the file not found exception.

    I have tried putting the data in the settings multiple ways i.e. c:\*** c:\\***\\ \\***\\ just not sure what I need to do. Any help would be appreciated.

    Here is the code i use to save the data to the settings

    Code:
     private void btnSave_Click(object sender, EventArgs e)
            {
                Properties.Settings1.Default.path1 = txtWoW434.ToString();
                
                Properties.Settings1.Default.path2 = txtWoW510.ToString();
                Properties.Settings1.Default.Save();
                ActiveForm.Close();
            }
    Last edited by firedraken; February 25th, 2013 at 10:50 PM.

  2. #2
    Arjay's Avatar
    Arjay is online now Moderator / MS MVP Power Poster
    Join Date
    Aug 2004
    Posts
    10,967

    Re: How do I launch app

    Have you tried debugging the program?

    One thing that would help with this is to form the full path to the exe you are trying to launch.

    So instead of

    Code:
    string installPath = Properties.Settings1.Default.path2;
    //MessageBox.Show(nstallPath);
    Process.Start(installPath + "WoW.exe");
    Try

    Code:
    string installPath = Properties.Settings1.Default.path2;
    var fullPath = Path.Concat(installPath, "wow.exe");
    
    if( !File.Exists(fullPath) )
    {
      MessageBox.Show(fullPath);
      return;
    }
    Process.Start(fullPath);

    To debug, click on the if( !File.Exists(fullPath) ) line with the mouse and press F9 to set a breakpoint.
    Then press F5 to start debugging. When the program stops on that line, hover the mouse over the fullPath variable.
    Does it look like what is expected? Keep in mind on windows, a file path will look something like
    Code:
    C:\my program folder\sub folder\wow.exe

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