/// <summary>
/// Adds selected item (photo) to the SelectedPhotos collection
/// </summary>
private void allPhotosListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// TODO When switching folders automatically select photos that are in the SelectedPhotos collection
// TODO DO NOT remove the first selected photo when changing folders
if (allPhotosListBox.SelectedItems.Count > Constants.MaxSelectedPhotos)
{
// Maximum number of selected photos reached
allPhotosListBox.SelectedItems.RemoveAt(allPhotosListBox.SelectedItems.Count - 1);
return;
}
System.Collections.IList eAdded = e.AddedItems;
System.Collections.IList eRemoved = e.RemovedItems;
ObservableCollection <Photo> selectedItems = AttachedProperties.GetSelectedPhotos(allPhotosListBox);
if (eAdded.Count != 0)
{
// New photo selected
selectedItems.Add((Photo)eAdded[0]);
}
else if (eRemoved.Count != 0)
{
// Photo unselected
selectedItems.Remove((Photo)eRemoved[0]); // When folders change and SelectionChanged is raised this removes the first photo from the SelectedPhotos
}
}