private void ImportDesignForm_FormClosing(object sender, FormClosingEventArgs e)
 {
     try
     {
         if (FormDesignes.Contains(this))
         {
             FormDesignes.Remove(this);
         }
     }
     catch
     {
     }
 }
        private void FormDesign_Load(object sender, EventArgs e)
        {
            Thread.CurrentThread.Priority = ThreadPriority.Highest;
            IsExitButton = false;

            try
            {
                ConnectToServer.OnConnect += OnConnected;

                if (FormDesignes is null)
                {
                    FormDesignes = new List <ImportDesignForm>();
                }

                if (!FormDesignes.Contains(this))
                {
                    FormDesignes.Add(this);
                }
            }
            catch
            {
            }

            try
            {
                this.TopMost = true;
                this.BringToFront();
                this.TopMost = false;
                Connect_Click(sender, e);
            }
            catch
            {
            }

            UpdateStatus(this, ServerIsRunning, InvokeRequired_LockObject);
        }