C# (CSharp) FrameworkElement.AsPopupの例

コード例 #1

        private void InitializePopup(FrameworkElement newPopup)
        {
            if (ReferenceEquals(newPopup, _tPopup))
            {
                return;
            }

            if (_tPopup != null)
            {
                _tPopup.Opened -= OnPopupOpened;
                _tPopup.Closed -= OnPopupClosed;
            }

            _tPopup = newPopup.AsPopup();
            if (_tPopup != null)
            {
                _tPopup.Opened += OnPopupOpened;
                _tPopup.Closed += OnPopupClosed;
            }
        }