WinRTXamlToolkit.Controls.Calendar.ProcessShiftKeyUp C# (CSharp) Method

        internal void ProcessShiftKeyUp()
        {
            if (_isShiftPressed && (SelectionMode == CalendarSelectionMode.SingleRange || SelectionMode == CalendarSelectionMode.MultipleRange))
            {
                AddSelection();
                _isShiftPressed = false;
            }
        }
        #endregion Key Events