C#•9mo ago

Handle Closing Form?

Hello, I'm having some trouble handling the closing of my form. Currently I'm using the method below, but it for some reason runs 5 times instead of just once.

private bool Closing = false;
Classes Classes = new Classes();

public MainForm()
{
    InitializeComponent();
    Application.ApplicationExit += new EventHandler(this.Application_ApplicationExit);
}


private void Application_ApplicationExit(object? sender, EventArgs e)
{
   Classes.Spark.DebugLog("The app is currently being closed!");
}

private bool Closing = false;
Classes Classes = new Classes();

public MainForm()
{
    InitializeComponent();
    Application.ApplicationExit += new EventHandler(this.Application_ApplicationExit);
}


private void Application_ApplicationExit(object? sender, EventArgs e)
{
   Classes.Spark.DebugLog("The app is currently being closed!");
}

private bool Closing = false;
Classes Classes = new Classes();

public MainForm()
{
    InitializeComponent();
    Application.ApplicationExit += new EventHandler(this.Application_ApplicationExit);
}


private void Application_ApplicationExit(object? sender, EventArgs e)
{
   Classes.Spark.DebugLog("The app is currently being closed!");
}

private bool Closing = false;
Classes Classes = new Classes();

public MainForm()
{
    InitializeComponent();
    Application.ApplicationExit += new EventHandler(this.Application_ApplicationExit);
}


private void Application_ApplicationExit(object? sender, EventArgs e)
{
   Classes.Spark.DebugLog("The app is currently being closed!");
}

phaseshift•4/24/25, 1:05 AM

You must be making 5 mainforms then

phaseshift•4/24/25, 1:06 AM

(or adding the same event handler somewhere else, or just running the method otherwise)

phaseshift•4/24/25, 1:07 AM

Use a debugger to look

FumetsuOP•4/24/25, 1:08 AM

Actually I think you're correct. I'm using MainForm MainForm = new MainForm()MainForm MainForm = new MainForm() to access my MainForms controls from my other files. Is there another method I could use to access the MainForms methods/contains without creating a new one?

phaseshift•4/24/25, 1:09 AM

Yes, pass the mainform as a variable to the constructor of things that need to call methods on it

FumetsuOP•4/24/25, 1:11 AM

Ahhh okay I'll look into that, thanks for all the help!

phaseshift•4/24/25, 1:11 AM

Handle Closing Form?

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