public RootDirectoryViewModel(NativeDirectoryInfo nativeDirectoryInfo, IDirectoryViewModel parent)
: base(nativeDirectoryInfo, parent)
{
NativeSystemInfo = nativeDirectoryInfo;
var directoryUnfo = new DirectoryInfo(nativeDirectoryInfo.Path);
var subDirectoryProvider = new SubDirectoriesProvider(directoryUnfo, this);
var filesProvider = new FilesProvider(directoryUnfo,this);
DisplayName = nativeDirectoryInfo.DisplayName;
Path = nativeDirectoryInfo.Path;
VisualPath = Parent.VisualPath + "\\" + DisplayName;
//is drive?
DriveInfo driveInfo = Drives.FirstOrDefault(info => PathHelper.NormalizePath(info.Name) == PathHelper.NormalizePath(Path));
HasItems = driveInfo?.IsReady ?? directoryUnfo.EnumerateDirectories().Any();
SubDirectories = new AsyncLoadCollection<IDirectoryViewModel>(subDirectoryProvider);
SubDirectories.CollectionChanged += _subDirectories_CollectionChanged;
Files = new AsyncLoadCollection<ISystemObjectViewModel>(filesProvider);
Children = new UnionCollectionEx<IDirectoryViewModel, ISystemObjectViewModel, ISystemObjectViewModel>(SubDirectories, Files);
}
public NativeDirectoryInfo(IntPtr pIDL, NativeDirectoryInfo shParent)
{
Parent = shParent;
// We need the Desktop shell item to exist first.
if (haveRootShell == false)
{
throw new Exception("The root shell item must be created before creating a sub-item");
}
// Create the FQ PIDL for this new item.
_pIDL = WinAPI.ILCombine(shParent.PIDL, pIDL);
// Get the properties of this item.
WinAPI.SFGAOF uFlags = WinAPI.SFGAOF.SFGAO_FOLDER | WinAPI.SFGAOF.SFGAO_HASSUBFOLDER;
// Here we get some basic attributes.
DesktopShellFolder.GetAttributesOf(1, out _pIDL, out uFlags);
IsFolder = Convert.ToBoolean(uFlags & WinAPI.SFGAOF.SFGAO_FOLDER);
// bug not working
HasSubFolder = Convert.ToBoolean(uFlags & WinAPI.SFGAOF.SFGAO_HASSUBFOLDER);
// Now we want to get extended attributes such as the icon index etc.
shInfo = new WinAPI.SHFILEINFO();
WinAPI.SHGetFileInfo(_pIDL, WinAPI.FILE_ATTRIBUTE_NORMAL, out shInfo, (uint)Marshal.SizeOf(shInfo), vFlags);
DisplayName = shInfo.szDisplayName;
TypeName = shInfo.szTypeName;
IconIndex = shInfo.iIcon;
// Create the IShellFolder interface for this item.
if (IsFolder)
{
uint hRes = shParent._shellFolder.BindToObject(pIDL, IntPtr.Zero, ref WinAPI.IID_IShellFolder,
out _shellFolder);
if (hRes != 0)
{
Marshal.ThrowExceptionForHR((int)hRes);
}
}
}
public List <NativeDirectoryInfo> GetDirectories()
{
lock (_locker)
{
var directories = new List <NativeDirectoryInfo>();
// Make sure we have a folder.
if (IsFolder == false)
{
throw new Exception("Unable to retrieve sub-folders for a non-folder.");
}
if (!HasSubFolder || IsReady())
{
return(directories);
}
// Get the IEnumIDList interface pointer.
while (!pIDL.Equals(IntPtr.Zero) && iGot == 1)
{
// Create the new ShellViewModel object.
var child = new NativeDirectoryInfo(pIDL, this);
directories.Add(child);
// Free the PIDL and reset counters.
Marshal.FreeCoTaskMem(pIDL);
pIDL = IntPtr.Zero;
iGot = 0;
// Grab the next item.
pEnum.Next(1, out pIDL, out iGot);
}
// Free the interface pointer.
if (pEnum != null)
{
Marshal.ReleaseComObject(pEnum);
}
return(directories);
}
}
public override sealed void UpdateParameters()
{
var native = ((NativeDirectoryInfo) NativeSystemInfo);
NativeSystemInfo = new NativeDirectoryInfo(native.PIDL, native.Parent);
Icon = NativeSystemInfo.Icon;
}