void _selected_ItemAdded(object sender, ListEventArgs <ListBoxItem> e)
{
if (e.Item == null)
{
return;
}
skipEvents = true;
e.Item.Selected = true;
skipEvents = false;
if (SelectedItemsChanged != null)
{
SelectedItemsChanged(this);
}
}
//
// Summary:
// Removes the first occurrence of a specific object from the System.Collections.Generic.ICollection<T>.
//
// Parameters:
// item:
// The object to remove from the System.Collections.Generic.ICollection<T>.
//
// Returns:
// true if item was successfully removed from the System.Collections.Generic.ICollection<T>;
// otherwise, false. This method also returns false if item is not found in
// the original System.Collections.Generic.ICollection<T>.
//
// Exceptions:
// System.NotSupportedException:
// The System.Collections.Generic.ICollection<T> is read-only.
public new bool Remove(T item)
{
ListEventArgs <T> args = new ListEventArgs <T>(item);
OnBeforeItemRemoved(this, args);
if (!args.Cancel)
{
bool happened = base.Remove(item);
if (happened)
{
OnItemRemoved(this, args);
}
return(happened);
}
args = null;
return(false);
}
void Items_BeforeItemAdded(object sender, ListEventArgs <Control> e)
{
// item is Null or item is our parent
if (e.Item == null || e.Item == Parent)
{
e.Cancel = true;
return;
}
// we already own this item
if (e.Item.Parent == Parent)
{
e.Cancel = true;
return;
}
if (e.Item.Container != null)
{
if (!e.Item.Container.Controls.Remove(e.Item))
{
e.Cancel = true;
return;
}
}
e.Item._isElement = false;
if (IsLocked)
{
e.Cancel = true;
toAdd.Add(e.Item);
dirtyAdd = true;
return;
}
e.Item.IsRemoved = false;
e.Item.ParentControl = Parent;
}
void Items_ItemAdded(object sender, ListEventArgs <ListBoxItem> e)
{
ItemContainer.Controls.Clear();
if (e.Item.Selected)
{
if (Multiselect)
{
_selected.Add(e.Item);
}
else
{
SelectedItem = e.Item;
}
}
e.Item.MouseClick += item_MouseClick;
e.Item.SelectedChanged += Item_SelectedChanged;
foreach (ListBoxItem item in Items)
{
ItemContainer.Controls.Add(item);
}
}
void TabPages_ItemRemoved(object sender, ListEventArgs <TabPage> e)
{
e.Item.Button.MouseClick -= Button_MouseClick;
e.Item.Button.Parent = null;
}
void Controls_ItemAdded(object sender, ListEventArgs <Control> e)
{
Refresh();
}
private void Controls_ItemRemoved(object sender, ListEventArgs <Control> e)
{
Refresh();
}
