C# (CSharp) SelectedItemsCollection.Contains Examples

Example #1

File: MultipleSelectionTreeView.cs Project: pcstraw/Music-GUI-WPF

 private void AddItemToSelection(MSTreeViewItem newItem)
 {
     if (!_selectedItems.Contains(newItem))
     {
         _selectedItems.Add(newItem);
     }
 }

Example #2

File: MultiSelectionTreeView.cs Project: cardinals/D.Experience

 private void AddItemToSelection(MultiSelectionTreeViewItem newItem)
 {
     if (!_selectedItems.Contains(newItem))
     {
         _selectedItems.Add(newItem);
     }
     OnTextChanged();
 }

Example #3

File: MultiSelectTreeView.xaml.cs Project: olesar/Altaxo

 internal void OnViewItemMouseDown(MultiSelectTreeViewItem viewItem, MouseButtonEventArgs e)
 {
     if (e.ChangedButton == MouseButton.Left && e.ClickCount == 1)
     {
         bool isSelected = _selectedTreeViewItems.Contains(viewItem);
         if (!isSelected)
         {
             OnItemClicked(viewItem);
         }
         e.Handled = true;
     }
 }