private void FileSystemObjectInfo_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (FileSystemInfo is DirectoryInfo)
{
if (string.Equals(e.PropertyName, "IsExpanded", StringComparison.CurrentCultureIgnoreCase))
{
RaiseBeforeExpand();
if (IsExpanded)
{
ImageSource = FolderManager.GetImageSource(FileSystemInfo.FullName, ItemState.Open);
if (HasDummy())
{
RaiseBeforeExplore();
RemoveDummy();
ExploreDirectories();
ExploreFiles();
RaiseAfterExplore();
}
}
else
{
ImageSource = FolderManager.GetImageSource(FileSystemInfo.FullName, ItemState.Close);
}
RaiseAfterExpand();
}
}
}
public FileSystemObjectInfo(FileSystemInfo info)
{
if (this is DummyFileSystemObjectInfo)
{
return;
}
Children = new ObservableCollection <FileSystemObjectInfo>();
FileSystemInfo = info;
if (info is DirectoryInfo)
{
ImageSource = FolderManager.GetImageSource(info.FullName, ItemState.Close);
AddDummy();
}
else if (info is FileInfo)
{
ImageSource = FileManager.GetImageSource(info.FullName);
}
PropertyChanged += new PropertyChangedEventHandler(FileSystemObjectInfo_PropertyChanged);
}