public void OnLevelChanged()
{
LayerList.BeginUpdate();
LayerList.Clear();
string active_layer = Program.engine.MainLevel.GetActiveLayer();
for (int i = 0; i < Program.engine.MainLevel.GetLayerCount(); ++i)
{
string text = Program.engine.MainLevel.GetLayerName(i);
EXListViewItem item = new EXImageListViewItem(NexusEditor.Properties.Resources.layer);
EXListViewSubItem name = new EXListViewSubItem(text);
name.OnItemValueChanged = this.OnLayerNameChanged; name.UserData = item;
item.AddSubItem(name);
EXBoolListViewSubItem active = new EXBoolListViewSubItem(active_layer == text);
active.OnItemValueChanged = this.OnActiveLayer; active.UserData = item;
item.AddSubItem(active);
EXBoolListViewSubItem show = new EXBoolListViewSubItem(Program.engine.MainLevel.IsLayerVisible(text));
show.OnItemValueChanged = this.OnShowLayer; show.UserData = item;
item.AddSubItem(show);
EXBoolListViewSubItem islock = new EXBoolListViewSubItem(Program.engine.MainLevel.IsLayerLocked(text));
islock.OnItemValueChanged = this.OnLockLayer; islock.UserData = item;
item.AddSubItem(islock);
LayerList.AddItem(item);
}
LayerList.EndUpdate();
//在右侧的列表中显示当前激活层中的所有actor
UpdateActorList(Program.engine.MainLevel.GetActiveLayer());
OperationTooltip.Text = "就绪";
}