.NET hide titlebar but keep border

Question

I was wondering how to hide the titlebar of a form but keep the original border, like e.g Dropbox does:

Thanks in advance!

Answer 1

// 3rd option (C#)
protected override CreateParams CreateParams
{
    get
    {
        int WS_DLGFRAME = 0x400000;
        CreateParams result = base.CreateParams;
        result.Style &= ~WS_DLGFRAME;
        return result;
    }
}