internal CompositeItemCommandBindingBuilder(
[NotNull] SourceItemCommandBinding <TSourceItem, TSourceItemValue> sourceItemBinding,
[NotNull] TargetItemBinding <TTargetItem, TTargetItemValue> targetItemBinding,
[NotNull] BindingSet <TSourceItem> bindingSet,
[NotNull] ICompositeItemBinding <TSourceItem> oldCompositeItemBinding)
{
_compositeItemBinding = new CompositeItemCommandBinding <TSourceItem, TSourceItemValue, TTargetItem, TTargetItemValue>(
sourceItemBinding,
targetItemBinding,
oldCompositeItemBinding.RequestedBindingMode,
oldCompositeItemBinding.ValueConverter);
_bindingSet = bindingSet;
_bindingSet.Remove(oldCompositeItemBinding);
_bindingSet.Add(_compositeItemBinding);
}
public void Remove_Invoke_CallsListChanged()
{
var obj = new object();
var list = new List <object> {
obj
};
var bindingList = new BindingSet <object>(list);
bool calledListChanged = false;
bindingList.ListChanged += (object sender, ListChangedEventArgs e) =>
{
calledListChanged = true;
Assert.Equal(0, e.NewIndex);
Assert.Equal(ListChangedType.ItemDeleted, e.ListChangedType);
// The event is raised after the removal.
Assert.Equal(0, bindingList.Count);
};
bindingList.Remove(obj);
Assert.True(calledListChanged);
}
public void Remove_INotifyPropertyChangedItems_RemovesPropertyChangedEventHandlers()
{
var item = new Item();
var bindingList = new BindingSet <Item> {
item
};
Assert.Equal(1, item.InvocationList.Length);
bool calledListChanged = false;
bindingList.ListChanged += (object sender, ListChangedEventArgs e) =>
{
calledListChanged = true;
Assert.Equal(ListChangedType.ItemDeleted, e.ListChangedType);
Assert.Equal(0, e.NewIndex);
};
bindingList.Remove(item);
Assert.True(calledListChanged);
Assert.Empty(bindingList);
Assert.Null(item.InvocationList);
}