Alsing.Windows.Forms.CoreLib.SplitViewControl.InvokeMouseDownv C# (CSharp) Метод

        public void InvokeMouseDownv()
        {
            IntPtr hwnd = Vertical.Handle;
            NativeMethods.SendMessage(hwnd, (int) WindowMessage.WM_LBUTTONDOWN, 0, 0);
        }

        protected void LeftThumb_MouseDown(object sender, MouseEventArgs e)
        {
            ActivateSplits();

            long t = DateTime.Now.Ticks - _ticks;

            _ticks = DateTime.Now.Ticks;


            if (t < 3000000)
            {
                splitView.Split5050v();
            }
            else
            {
                splitView.InvokeMouseDownv();
            }
        }