How to delete control boxes when maximized

Question

I'm developing an application and I want it to be full screen. As I want to change between different screens, I created a MDIParent and some MDIChilds. But when I say that I want to see it full screen I have this screen:

enter image description here

I have set properties to:

Form border style: None

Windows state: Maximized

And I have:

Maximize box: False

Minimize box: False

control box: False

for both MDIParent and MDIChild. But I still have that control box showing...

How can I hide it??

try this.TopMost = true; this.FormBorderStyle = FormBorderStyle.None; this.WindowState = FormWindowState.Maximized; http://stackoverflow.com/questions/505167/how-do-i-make-a-winforms-app-go-full-screen — Uthistran Selvaraj, Jan 10 '13 at 11:54

Matthew Watson · Accepted Answer · 2013-01-10T12:22:45.413

You may be able to do this by overriding the Control.CreateParams method.

Check out the Window styles that you can apply.

Also check out the Window Class Styles that you can apply.

For example (not answering your question but showing you how to change window styles):

protected override CreateParams CreateParams
{
    get
    {
        CreateParams param = base.CreateParams;
        const int CS_DROPSHADOW = 0x00020000;
        const int WS_CAPTION    = 0xC00000;
        param.ClassStyle = param.ClassStyle | CS_DROPSHADOW; // Turn on window shadow.
        param.Style = param.Style & ~WS_CAPTION; // Turn off caption.
        return param;
    }
}

How to delete control boxes when maximized

1 Answers1