UnityEditor.TreeViewTest.GetNumItemsInTree C# (CSharp) Method

        public int GetNumItemsInTree()
        {
            LazyTestDataSource data = this.m_TreeView.data as LazyTestDataSource;
            if (data != null)
            {
                return data.itemCounter;
            }
            TestDataSource source2 = this.m_TreeView.data as TestDataSource;
            if (source2 != null)
            {
                return source2.itemCounter;
            }
            return -1;
        }