private void add_Click(object sender, RoutedEventArgs e)
{
IEditableCollectionView editableCollectionView = itemsControl.Items as IEditableCollectionView;
if (!editableCollectionView.CanAddNew)
{
MessageBox.Show("You cannot add items to the list.");
return;
}
// Create a window that prompts the user to enter a new
// item to sell.
ChangeItemWindow win = new ChangeItemWindow();
//Create a new item to be added to the collection.
win.DataContext = editableCollectionView.AddNew();
// If the user submits the new item, commit the new
// object to the collection. If the user cancels
// adding the new item, discard the new item.
if ((bool)win.ShowDialog())
{
editableCollectionView.CommitNew();
}
else
{
editableCollectionView.CancelNew();
}
}
private void edit_Click(object sender, RoutedEventArgs e)
{
if (itemsControl.SelectedItem == null)
{
MessageBox.Show("No item is selected");
return;
}
IEditableCollectionView editableCollectionView =
itemsControl.Items as IEditableCollectionView;
// Create a window that prompts the user to edit an item.
ChangeItemWindow win = new ChangeItemWindow();
editableCollectionView.EditItem(itemsControl.SelectedItem);
win.DataContext = itemsControl.SelectedItem;
// If the user submits the new item, commit the changes.
// If the user cancels the edits, discard the changes.
if ((bool)win.ShowDialog())
{
editableCollectionView.CommitEdit();
}
else
{
editableCollectionView.CancelEdit();
}
}