ATMLCommonLibrary.forms.ATMLNavigationWindow.LoadTree C# (CSharp) Method

        private void LoadTree()
        {
            if (!string.IsNullOrEmpty( _testProgramSetName ))
            {
                if (_fileSystemWatcher != null)
                {
                    _fileSystemWatcher.EnableRaisingEvents = false;
                }
                testSetNavigationTree.Nodes.Clear();
                var testPathDir = new DirectoryInfo( ATMLContext.TESTSET_PATH );
                foreach (DirectoryInfo testSetDir in testPathDir.GetDirectories( _testProgramSetName ))
                {
                    var node = new TreeNode( testSetDir.Name );
                    node.Name = testSetDir.Name;
                    node.Tag = testSetDir;
                    testSetNavigationTree.Nodes.Add( node );
                    AddFolderToTree( testSetDir, node );
                }
                AddFilesToTree( testPathDir, null );
                testSetNavigationTree.ExpandAll();
                _testProgramPath = Path.Combine( testPathDir.FullName, _testProgramSetName );
                _fileSystemWatcher = new FileSystemWatcher(_testProgramPath );
                _fileSystemWatcher.NotifyFilter = NotifyFilters.FileName;
                _fileSystemWatcher.Filter = "*.*";
                _fileSystemWatcher.IncludeSubdirectories = true;
                _fileSystemWatcher.Created += _fileSystemWatcher_Created;
                _fileSystemWatcher.Deleted +=FileSystemWatcherOnDeleted;
                _fileSystemWatcher.EnableRaisingEvents = true;
            }
        }