public TutorialForm()
{
InitializeComponent();
DesignLanguage.ApplyCustomFont(this.Controls);
#region Borderless window
borderlessWindow = new BorderlessWindow(this, false, false);
borderlessWindow.IsResizable = false;
borderlessWindow.SendNCWinMessage += SendNCWinMessage;
this.MaximizedBounds = this.DisplayRectangle;
#endregion Borderless window
}