How do I not have a Window displayed on launch? [duplicate]

Question

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Closed 9 years ago.

Possible Duplicate:
How to make the startup form initially invisible or hidden

My application has a System Tray and I don't want the Window appearing on launch.

How can I accomplish this?

---

This is a default Windows Form application.

I dragged over a notifyIcon and a contexualMenuStrip

When the Form is closed, the application quits (don't want that either). But when the application is launched, the Windows Form is also made visible. So how do I not launch the form on start up (and not quit on closing the window)?

Answer 1

Basically you need to overwrite SetVisibleCore() to achieve that... another option is to set ShowInTaskbar to false and use ApplicationContext in Application.Run.

Some reference links and sample code:

• http://msdn.microsoft.com/en-us/library/system.windows.forms.form.setvisiblecore.aspx
• https://stackoverflow.com/a/1732294/847363
• http://msdn.microsoft.com/en-us/library/system.windows.forms.form.showintaskbar.aspx
• http://msdn.microsoft.com/en-us/library/system.windows.forms.applicationcontext.aspx
• https://stackoverflow.com/a/3288810/847363

Answer 2

The answer isn't to hide your main form, but not to show it / load it in the first place.

One way is to create a custom ApplicationContext:

public static class Program
{
    public static void Main(string[] arguments)
    {
        var context = new NotifyIconApplicationContext();
        context.Icon.Icon = new Icon(PATH_TO_ICON_FILE_HERE);
        context.Icon.Visible = true;    
        Application.Run(context);
    }
}

class NotifyIconApplicationContext : ApplicationContext
{
    public NotifyIconApplicationContext()
    {
        Icon = new NotifyIcon();
    }
    public NotifyIcon Icon { get; set; }
}

You can then attach handlers to your notification icon prior to the Application.Run(context) line to allow for things like opening your main form, showing a menu, etc,..