AsmResolver.ResourceControl.resourcesTree_AfterSelect C# (CSharp) Метод

        void resourcesTree_AfterSelect(object sender, TreeViewEventArgs e)
        {
            propertyGrid.SelectedObject = e.Node.Tag;
            if (e.Node.Nodes.Count == 0)
            {
                if (e.Node.Tag is ResourceDirectory)
                    PopulateDirectory(e.Node, e.Node.Tag as ResourceDirectory);
                if (e.Node.Tag is ResourceDirectoryEntry)
                    PopulateDirectoryEntry(e.Node, e.Node.Tag as ResourceDirectoryEntry);
            }
            if (e.Node.Tag is ResourceDataEntry)
            {
                try
                {
                    if (currentStream != null)
                        currentStream.Dispose();
                    currentStream = (e.Node.Tag as ResourceDataEntry).GetStream();
                    hexBox.ByteProvider = new DynamicFileByteProvider(currentStream);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            else
                hexBox.ByteProvider = null;
        }