WindowHelper.Win32Window.AddCaptionBar C# (CSharp) Method

        public void AddCaptionBar()
        {
            int style = WinAPI.GetWindowLong(this.Handle, WinAPI.GWL_STYLE);
            WinAPI.SetWindowLong(this.Handle, WinAPI.GWL_STYLE, (style & WinAPI.WS_CAPTION));
        }