/// <summary>
/// Internal constructor that takes in a parent ShellObject.
/// </summary>
/// <param name="shellObject"></param>
internal ShellThumbnail(ShellObject shellObject)
{
if (shellObject == null || shellObject.NativeShellItem == null)
throw new ArgumentNullException("shellObject");
shellItemNative = shellObject.NativeShellItem;
}
private static string GetParsingName(IShellItem shellItem)
{
if (shellItem == null)
return null;
string path = null;
IntPtr pszPath = IntPtr.Zero;
int hr = shellItem.GetDisplayName(Shell32.SIGDN.SIGDN_DESKTOPABSOLUTEPARSING, out pszPath);
if (false ==
(hr == HRESULT.S_OK ||
hr == HRESULT.E_INVALIDARG))
throw new COMException("GetParsingName", (int)hr);
if (pszPath != IntPtr.Zero)
{
path = Marshal.PtrToStringAuto(pszPath);
Marshal.FreeCoTaskMem(pszPath);
pszPath = IntPtr.Zero;
}
return path;
}
private static void TraceAction(string action, IShellItem item, uint hresult)
{
//TraceAction(action,
// item != null ? Marshal.PtrToStringUni(item.GetDisplayName(WindowsAPI.SIGDN.NORMALDISPLAY)) : null,
// hresult);
}
public virtual void PostNewItem(uint dwFlags,
IShellItem psiDestinationFolder, string pszNewName,
string pszTemplateName, uint dwFileAttributes,
uint hrNew, IShellItem psiNewItem)
{
TraceAction("PostNewItem", psiNewItem, hrNew);
}
public virtual void PostCopyItem(
uint dwFlags, IShellItem psiItem,
IShellItem psiDestinationFolder, string pszNewName,
uint hrCopy, IShellItem psiNewlyCreated)
{
TraceAction("PostCopyItem", psiNewlyCreated, hrCopy);
}
public void PostMoveItem(
uint dwFlags, IShellItem psiItem,
IShellItem psiDestinationFolder,
string pszNewName, uint hrMove,
IShellItem psiNewlyCreated)
{
TraceAction("PostMoveItem", psiNewlyCreated, hrMove);
}
internal static IntPtr PidlFromShellItem(IShellItem nativeShellItem)
{
IntPtr shellItem = Marshal.GetComInterfaceForObject(nativeShellItem, typeof(IShellItem));
IntPtr pidl;
int retCode = ShellNativeMethods.SHGetIDListFromObject(shellItem, out pidl);
return (CoreErrorHelper.Succeeded(retCode) ? pidl : IntPtr.Zero);
}
private static IShellItem GetShellItemFromFolder(IShellItem shellItem, IShellFolder shellFolder)
{
if (shellItem == null && shellFolder == null)
throw new ArgumentNullException("shellItem, shellFolder", "shellItem and shellFolder cannot both be null");
if (shellItem != null)
return shellItem;
IdList pidl = SHGetIDListFromObject(shellFolder);
return SHCreateItemFromIDList<IShellItem>(pidl);
}
internal ShellFolder(IShellItem shellItem, IShellFolder shellFolder, ShellItemKnownInfo knownInfo)
: base(GetShellItemFromFolder(shellItem, shellFolder), knownInfo)
{
if (shellFolder == null)
{
shellFolder = (IShellFolder)shellItem.BindToHandler(null, ShellConsts.BHID_SFObject, typeof(IShellFolder).GUID);
}
NativeFolder = shellFolder;
}
/// <summary>
/// Internal constructor that takes in a parent ShellObject.
/// </summary>
/// <param name="shellObject"></param>
internal ShellThumbnail(ShellObject shellObject)
{
if (shellObject == null || shellObject.NativeShellItem == null)
{
throw new ArgumentNullException(nameof(shellObject));
}
shellItemNative = shellObject.NativeShellItem;
}
public HResult GetItemAt(uint dwIndex, out IShellItem ppsi) {
int index = (int)dwIndex;
if (index < shellItemsList.Count) {
ppsi = shellItemsList[index];
return HResult.Ok;
} else {
ppsi = null;
return HResult.Fail;
}
}
public HResult GetParent(out IShellItem ppsi) {
IntPtr pidl = Shell32.ILClone(Pidl);
if (Shell32.ILRemoveLastID(pidl)) {
ppsi = new ShellItemImpl(pidl, true);
return HResult.S_OK;
}
else {
ppsi = null;
return HResult.MK_E_NOOBJECT;
}
}
public HRESULT GetItemAt(uint dwIndex, out IShellItem ppsi)
{
int index = (int)dwIndex;
if (index < shellItemsList.Count)
{
ppsi = shellItemsList[index];
return HRESULT.S_OK;
}
else
{
ppsi = null;
return HRESULT.E_FAIL;
}
}
void IShellItemArray.GetItemAt(uint dwIndex, out IShellItem ppsi)
{
int index = (int)dwIndex;
if (index < shellItemsList.Count)
{
ppsi = shellItemsList[index];
//return HResult.S_OK;
}
else
{
ppsi = null;
//return HResult.S_FALSE;
}
}
public override void PostDeleteItem(TRANSFER_SOURCE_FLAGS dwFlags, IShellItem psiItem, uint hrDelete, IShellItem psiNewlyCreated) {
//base.PostDeleteItem(dwFlags,psiItem,hrDelete,psiNewlyCreated);
//if (hrDelete == 2555912) {
// var theNewItem = FileSystemListItem.InitializeWithIShellItem(this._View.LVHandle, psiItem);
// if (this._View.CurrentFolder.Equals(theNewItem.Parent)) {
// Shell32.SHChangeNotify(
// theNewItem.IsFolder ? Shell32.HChangeNotifyEventID.SHCNE_RMDIR : Shell32.HChangeNotifyEventID.SHCNE_DELETE,
// Shell32.HChangeNotifyFlags.SHCNF_IDLIST | Shell32.HChangeNotifyFlags.SHCNF_FLUSH, theNewItem.PIDL, IntPtr.Zero);
// }
// theNewItem.Dispose();
//}
//if (psiItem != null) {
// Marshal.FinalReleaseComObject(psiItem);
//}
// if (psiNewlyCreated != null) {
// Marshal.FinalReleaseComObject(psiNewlyCreated);
// }
//Shell32.SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1);
}
internal static string GetParsingName(IShellItem shellItem) {
if (shellItem == null) { return null; }
string path = null;
IntPtr pszPath = IntPtr.Zero;
HResult hr = shellItem.GetDisplayName(ShellNativeMethods.ShellItemDesignNameOptions.DesktopAbsoluteParsing, out pszPath);
if (hr != HResult.Ok && hr != HResult.InvalidArguments) {
throw new ShellException(LocalizedMessages.ShellHelperGetParsingNameFailed, hr);
}
if (pszPath != IntPtr.Zero) {
path = Marshal.PtrToStringAuto(pszPath);
Marshal.FreeCoTaskMem(pszPath);
pszPath = IntPtr.Zero;
}
return path;
}
public override void PostCopyItem(TRANSFER_SOURCE_FLAGS dwFlags, IShellItem psiItem, IShellItem psiDestinationFolder, string pszNewName, uint hrCopy, IShellItem psiNewlyCreated) {
//if (hrCopy == 0) {
// var destination = FileSystemListItem.InitializeWithIShellItem(this._View.LVHandle, psiDestinationFolder);
// if (destination.Equals(this._View.CurrentFolder)) {
// var theNewItem = FileSystemListItem.InitializeWithIShellItem(this._View.LVHandle, psiNewlyCreated);
// Shell32.SHChangeNotify(
// theNewItem.IsFolder ? Shell32.HChangeNotifyEventID.SHCNE_MKDIR : Shell32.HChangeNotifyEventID.SHCNE_CREATE,
// Shell32.HChangeNotifyFlags.SHCNF_IDLIST | Shell32.HChangeNotifyFlags.SHCNF_FLUSH, theNewItem.PIDL, IntPtr.Zero);
// this._View.LargeImageList.SupressThumbnailGeneration(false);
// Shell32.SHChangeNotify(Shell32.HChangeNotifyEventID.SHCNE_UPDATEITEM,
// Shell32.HChangeNotifyFlags.SHCNF_IDLIST | Shell32.HChangeNotifyFlags.SHCNF_FLUSH, theNewItem.PIDL, IntPtr.Zero);
// theNewItem.Dispose();
// }
// destination.Dispose();
//}
//if (psiItem != null) {
// Marshal.FinalReleaseComObject(psiItem);
//}
//if (psiNewlyCreated != null) {
// Marshal.FinalReleaseComObject(psiNewlyCreated);
//}
//Shell32.SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1);
}
public virtual void PostDeleteItem(
uint dwFlags, IShellItem psiItem,
uint hrDelete, IShellItem psiNewlyCreated)
{
TraceAction("PostDeleteItem", psiItem, hrDelete);
}
public static extern void SHCreateItemFromParsingName(
[In][MarshalAs(UnmanagedType.LPWStr)] string pszPath,
[In] IntPtr pbc,
[In][MarshalAs(UnmanagedType.LPStruct)] Guid riid,
[Out][MarshalAs(UnmanagedType.Interface, IidParameterIndex = 2)] out IShellItem ppv);
private void printProperties(IShellItem shellItem)
{
string s = string.Join(";\n", shellItem.GetAllProperties().Select(x => x.Key + "=" + x.Value).ToArray());
Console.WriteLine(s);
}
/// <summary>Adds a folder to the library.</summary> /// <param name="location">An IShellItem object that represents the folder to be added to the library.</param> void AddFolder([In, MarshalAs(UnmanagedType.Interface)] IShellItem location);
internal static extern int SHCreateShellItem(
IntPtr pidlParent,
[In, MarshalAs(UnmanagedType.Interface)] IShellFolder psfParent,
IntPtr pidl,
[MarshalAs(UnmanagedType.Interface)] out IShellItem ppsi
);
public static string GetPathFromShellItem(IShellItem item)
{
return(item.GetDisplayName(SIGDN.DESKTOPABSOLUTEPARSING));
}
public void OnOverwrite(IFileDialog pfd, IShellItem psi, out NativeMethods.FDE_OVERWRITE_RESPONSE pResponse)
{
// TODO: Implement overwrite notification support
pResponse = NativeMethods.FDE_OVERWRITE_RESPONSE.FDEOR_ACCEPT;
}
public virtual void PreRenameItem(uint dwFlags,
IShellItem psiItem, string pszNewName)
{
TraceAction("PreRenameItem", psiItem, 0);
}
public static extern HRESULT SHCreateShellItem(IntPtr pidlParent, IntPtr psfParent, IntPtr pidl, out IShellItem ppsi);
public void OnShareViolation(IFileDialog pfd, IShellItem psi, out FDE_SHAREVIOLATION_RESPONSE pResponse)
{
pResponse = FDE_SHAREVIOLATION_RESPONSE.FDESVR_ACCEPT;
}
private static extern int SHCreateItemFromParsingName([MarshalAs(UnmanagedType.LPWStr)] string pszPath, IBindCtx pbc, [MarshalAs(UnmanagedType.LPStruct)] Guid riid, out IShellItem ppv);
private static ImageData LoadThumbnail(string path, DateTime dtLastWriteTime, out Size sizeRaw, out Size sizeActual, out string toolTipText, out bool fCached)
{
sizeRaw = sizeActual = Size.Empty;
toolTipText = null;
fCached = false;
IntPtr zero = IntPtr.Zero;
IShellItem ppsi = null;
ISharedBitmap ppvThumb = null;
LocalThumbnailCache o = null;
try {
zero = PInvoke.ILCreateFromPath(path);
if ((zero != IntPtr.Zero) && (PInvoke.SHCreateShellItem(IntPtr.Zero, null, zero, out ppsi) == 0))
{
o = new LocalThumbnailCache();
IThumbnailCache cache2 = (IThumbnailCache)o;
uint flags = 0;
uint pOutFlags = 0;
WTS_THUMBNAILID pThumbnailID = new WTS_THUMBNAILID();
uint cxyRequestedThumbSize = (uint)Math.Min(0x400, Math.Min(QTUtility.PreviewMaxWidth, QTUtility.PreviewMaxHeight));
if (cache2.GetThumbnail(ppsi, cxyRequestedThumbSize, flags, out ppvThumb, ref pOutFlags, ref pThumbnailID) == 0)
{
IntPtr ptr2;
if ((pOutFlags & 2) == 2)
{
fCached = true;
}
if (ppvThumb.Detach(out ptr2) == 0)
{
Bitmap bmp = Image.FromHbitmap(ptr2);
Size size = bmp.Size;
sizeRaw = sizeActual = size;
ImageData data = new ImageData(bmp, null, path, dtLastWriteTime, size, size);
data.Thumbnail = true;
try {
toolTipText = data.TooltipText = ShellMethods.GetShellInfoTipText(zero, false);
}
catch {
}
return(data);
}
}
}
}
catch (Exception exception) {
QTUtility2.MakeErrorLog(exception, null);
}
finally {
if (zero != IntPtr.Zero)
{
PInvoke.CoTaskMemFree(zero);
}
if (ppsi != null)
{
Marshal.ReleaseComObject(ppsi);
}
if (ppvThumb != null)
{
Marshal.ReleaseComObject(ppvThumb);
}
if (o != null)
{
Marshal.ReleaseComObject(o);
}
}
return(null);
}
public virtual void PreNewItem(uint dwFlags,
IShellItem psiDestinationFolder, string pszNewName)
{
TraceAction("PreNewItem", pszNewName, 0);
}
private static extern int SHCreateShellItem(IntPtr pidlParent, IntPtr psfParent, IntPtr pidl, out IShellItem ppsi);
public virtual void PostRenameItem(uint dwFlags,
IShellItem psiItem, string pszNewName,
uint hrRename, IShellItem psiNewlyCreated)
{
TraceAction("PostRenameItem", psiNewlyCreated, hrRename);
}
internal static extern int SHCreateItemFromParsingName(
[MarshalAs(UnmanagedType.LPWStr)] string path,
// The following parameter is not used - binding context.
IntPtr pbc,
ref Guid riid,
[MarshalAs(UnmanagedType.Interface)] out IShellItem shellItem);
public virtual void PostDeleteItem(
uint dwFlags, IShellItem psiItem,
uint hrDelete, IShellItem psiNewlyCreated)
{
TraceAction("PostDeleteItem", psiItem, hrDelete);
}
internal static extern int SHShowManageLibraryUI(
[In, MarshalAs(UnmanagedType.Interface)] IShellItem library,
[In] IntPtr hwndOwner,
[In] string title,
[In] string instruction,
[In] LibraryManageDialogOptions lmdOptions);
private static extern int SHCreateShellItem(IntPtr pidlParent, IntPtr psfParent, IntPtr pidl, out IShellItem ppsi);
/// <summary>Initializes a new instance of the <see cref="ShellFolder"/> class.</summary> internal ShellFolder(IShellItem iShellItem) : base(iShellItem) => iShellFolder = GetInstance();
internal string GetFileNameFromShellItem(IShellItem item)
{
string filename;
item.GetDisplayName(NativeMethods.SIGDN.DESKTOPABSOLUTEPARSING, out filename);
return filename;
}
internal static extern int SHCreateItemFromParsingName([MarshalAs(UnmanagedType.LPWStr)] string pszPath, IntPtr pbc, ref Guid riid, [MarshalAs(UnmanagedType.Interface)] out IShellItem ppv);
public void OnShareViolation(IFileDialog pfd, IShellItem psi, out NativeMethods.RESPONSE pResponse)
{
// Do nothing: we will ignore share violations, and don't register
// for them, so this method should never be called
pResponse = NativeMethods.RESPONSE.ACCEPT;
}
/// <summary>
/// Initializes a new instance of the <see cref="ShellItem" /> class.
/// </summary>
/// <param name="comInterface">
/// An <see cref="IShellItem" /> representing the folder.
/// </param>
public ShellItem(IShellItem comInterface)
{
ComInterface = comInterface;
}
public virtual void PreRenameItem(uint dwFlags,
IShellItem psiItem, string pszNewName)
{
TraceAction("PreRenameItem", psiItem, 0);
}
void IIconNativeApi.SHCreateItemFromParsingName(string pszPath, IntPtr pbc, Guid riid, out IShellItem ppv)
{
SHCreateItemFromParsingName(pszPath, pbc, riid, out ppv);
}
internal ShellItem(IdList pidl, ShellItemKnownInfo knownInfo)
{
nativeItem = SHCreateItemFromIDList <IShellItem>(pidl);
Init(knownInfo);
}
public void OnOverwrite(IFileDialog pfd, IShellItem psi, out FDE_OVERWRITE_RESPONSE pResponse)
{
pResponse = FDE_OVERWRITE_RESPONSE.FDEOR_DEFAULT;
}
public virtual void PreDeleteItem(
uint dwFlags, IShellItem psiItem)
{
TraceAction("PreDeleteItem", psiItem, 0);
}
internal ShellItemArray(IShellItem[] shellItems)
{
shellItemsList.AddRange(shellItems);
}
public static extern int SHCreateShellItem(IntPtr pidlParent, Interop.QTTabBar.IShellFolder psfParent, IntPtr pidl, out IShellItem ppsi);
public virtual void PostRenameItem(uint dwFlags,
IShellItem psiItem, string pszNewName,
uint hrRename, IShellItem psiNewlyCreated)
{
TraceAction("PostRenameItem", psiNewlyCreated, hrRename);
}
/// <summary>Initializes a new instance of the <see cref="ShellLibrary"/> class.</summary>
/// <param name="iItem">The i item.</param>
/// <param name="readOnly">if set to <c>true</c> [read only].</param>
internal ShellLibrary(IShellItem iItem, bool readOnly = false) : base(iItem)
{
lib = new IShellLibrary();
lib.LoadLibraryFromItem(iItem, readOnly ? STGM.STGM_READ : STGM.STGM_READWRITE);
}
public virtual void PreDeleteItem(
uint dwFlags, IShellItem psiItem)
{
TraceAction("PreDeleteItem", psiItem, 0);
}
/// <summary>
/// Creates a ShellObject given a native IShellItem interface
/// </summary>
/// <param name="nativeShellItem"></param>
/// <returns>A newly constructed ShellObject object</returns>
public static ShellObject Create(IShellItem nativeShellItem)
{
// Sanity check
Debug.Assert(nativeShellItem != null, "nativeShellItem should not be null");
// Need to make sure we're running on Vista or higher
if (!CoreHelpers.RunningOnVista)
{
throw new PlatformNotSupportedException(LocalizedMessages.ShellObjectFactoryPlatformNotSupported);
}
// A lot of APIs need IShellItem2, so just keep a copy of it here
IShellItem2 nativeShellItem2 = nativeShellItem as IShellItem2;
// Get the System.ItemType property
string itemType = ShellHelper.GetItemType(nativeShellItem2);
if (!string.IsNullOrEmpty(itemType))
{
itemType = itemType.ToUpperInvariant();
}
// Get some IShellItem attributes
ShellNativeMethods.ShellFileGetAttributesOptions sfgao;
nativeShellItem2.GetAttributes(ShellNativeMethods.ShellFileGetAttributesOptions.FileSystem | ShellNativeMethods.ShellFileGetAttributesOptions.Folder, out sfgao);
// Is this item a FileSystem item?
bool isFileSystem = (sfgao & ShellNativeMethods.ShellFileGetAttributesOptions.FileSystem) != 0;
// Is this item a Folder?
bool isFolder = (sfgao & ShellNativeMethods.ShellFileGetAttributesOptions.Folder) != 0;
// Shell Library
ShellLibrary shellLibrary = null;
// Create the right type of ShellObject based on the above information
// 1. First check if this is a Shell Link
if (itemType == ".lnk")
{
return(new ShellLink(nativeShellItem2));
}
// 2. Check if this is a container or a single item (entity)
else if (isFolder)
{
// 3. If this is a folder, check for types: Shell Library, Shell Folder or Search Container
if (itemType == ".library-ms" && (shellLibrary = ShellLibrary.FromShellItem(nativeShellItem2, true)) != null)
{
return(shellLibrary); // we already created this above while checking for Library
}
else if (itemType == ".searchconnector-ms")
{
return(new ShellSearchConnector(nativeShellItem2));
}
else if (itemType == ".search-ms")
{
return(new ShellSavedSearchCollection(nativeShellItem2));
}
// 4. It's a ShellFolder
if (isFileSystem)
{
// 5. Is it a (File-System / Non-Virtual) Known Folder
if (!IsVirtualKnownFolder(nativeShellItem2))
{ //needs to check if it is a known folder and not virtual
FileSystemKnownFolder kf = new FileSystemKnownFolder(nativeShellItem2);
return(kf);
}
return(new ShellFileSystemFolder(nativeShellItem2));
}
// 5. Is it a (Non File-System / Virtual) Known Folder
if (IsVirtualKnownFolder(nativeShellItem2))
{ //needs to check if known folder is virtual
NonFileSystemKnownFolder kf = new NonFileSystemKnownFolder(nativeShellItem2);
return(kf);
}
return(new ShellNonFileSystemFolder(nativeShellItem2));
}
// 6. If this is an entity (single item), check if its filesystem or not
if (isFileSystem)
{
return(new ShellFile(nativeShellItem2));
}
return(new ShellNonFileSystemItem(nativeShellItem2));
}
public virtual void PreNewItem(uint dwFlags,
IShellItem psiDestinationFolder, string pszNewName)
{
TraceAction("PreNewItem", pszNewName, 0);
}
public void OnShareViolation(IFileDialog pfd, IShellItem psi, out NativeMethods.FDE_SHAREVIOLATION_RESPONSE pResponse)
{
// Do nothing: we will ignore share violations, and don't register
// for them, so this method should never be called
pResponse = NativeMethods.FDE_SHAREVIOLATION_RESPONSE.FDESVR_ACCEPT;
}
public static string GetPathFromShellItem(IShellItem item)
{
return item.GetDisplayName(SIGDN.DESKTOPABSOLUTEPARSING);
}
public void OnOverwrite(IFileDialog pfd, IShellItem psi, out NativeMethods.FDE_OVERWRITE_RESPONSE pResponse)
{
// TODO: Implement overwrite notification support
pResponse = NativeMethods.FDE_OVERWRITE_RESPONSE.FDEOR_ACCEPT;
}
public HRESULT OnFolderChanging(IFileDialog pfd, IShellItem psiFolder)
{
return HRESULT.S_OK;
}
/// <summary>Initializes a new instance of the <see cref="ShellLibrary"/> class.</summary>
/// <param name="iItem">The i item.</param>
/// <param name="readOnly">if set to <c>true</c> [read only].</param>
public ShellLibrary2(IShellItem iItem, bool readOnly = false)
{
lib = new IShellLibrary();
lib.LoadLibraryFromItem(iItem, readOnly ? STGM.STGM_READ : STGM.STGM_READWRITE);
Init(iItem);
}
public void OnOverwrite(IFileDialog pfd, IShellItem psi, out NativeMethods.RESPONSE pResponse)
{
pResponse = NativeMethods.RESPONSE.ACCEPT;
}
internal ShellItem(IShellItem nativeItem, ShellItemKnownInfo knownInfo)
{
this.nativeItem = nativeItem;
Init(knownInfo);
}
