private void AddNewStringItem_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrWhiteSpace(NewStringItem))
{
return;
}
if (StringItems?.Contains(NewStringItem) ?? false)
{
MessageBox.Show($"Item: {NewStringItem} already exists",
"Warning",
MessageBoxButton.OK,
MessageBoxImage.Warning);
return;
}
if (StringItems == null)
{
StringItems = new ObservableCollection <string>();
}
StringItems.Add(NewStringItem);
if (AvailableStringItems?.Contains(NewStringItem) ?? false)
{
AvailableStringItems?.Remove(NewStringItem);
}
NewStringItem = null;
}
private void DeleteStringItemMenuItem_Click(object sender, RoutedEventArgs e)
{
if (SelectedStringItem == null)
{
return;
}
if (AskConfirmationOnDelete)
{
var result = MessageBox.Show($"Confirm removal for item: {SelectedStringItem}",
"Confirmation",
MessageBoxButton.YesNo,
MessageBoxImage.Question,
MessageBoxResult.No);
if (result != MessageBoxResult.Yes)
{
return;
}
}
if (IsEnabledToAddRemovedItemsToAvailable &&
!(AvailableStringItems?.Contains(SelectedStringItem) ?? false))
{
AvailableStringItems?.Add(SelectedStringItem);
}
StringItems.RemoveAt(StringItemsListBox.SelectedIndex);
}
