How Can I Make My WinForms Application Full-Screen and Hide the Taskbar?

Maximize Your WinForms App's Screen Real Estate

For a truly immersive WinForms application, maximizing the screen area is key. This tutorial shows you how to achieve full-screen mode, effectively hiding the taskbar and optimizing screen space.

The first step involves setting the form's properties. Set the FormBorderStyle property to None and the WindowState property to Maximized. This expands the application to fill the entire screen, but the taskbar might still be visible.

To completely hide the taskbar (or at least place your application on top of it), set the TopMost property to true. This ensures your application remains the foremost window.

Here's the code:

private void Form1_Load(object sender, EventArgs e)
{
    this.TopMost = true;
    this.FormBorderStyle = FormBorderStyle.None;
    this.WindowState = FormWindowState.Maximized;
}

Pro Tip: Auto-Hiding the MenuStrip

For even greater efficiency, consider auto-hiding your MenuStrip. This frees up the space occupied by the menu bar when it's not actively being used.

In the designer, set the MenuStrip's Dock property to Top and its Anchor property to Top, Left, Right. This will dock the menu at the top and automatically hide it when the mouse cursor leaves the menu area. This provides a cleaner, more immersive full-screen experience.

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