private static IShellItemArray GetShellItemArray(string sourceFile)
{
IShellItem item = GetShellItem(sourceFile);
IShellItemArray array = GetShellItemArray(item);
return(array);
}
private static IShellItemArray GetShellItemArray(IShellItem shellItem)
{
IShellItemArray iShellItemArray = null;
Guid iIdIShellItemArray = new Guid("b63ea76d-1f85-456f-a19c-48159efa858b");
SHCreateShellItemArrayFromShellItem(shellItem, iIdIShellItemArray, out iShellItemArray);
return iShellItemArray;
}
public static IReadOnlyList <String> GetFileNames(IShellItemArray items)
{
HResult hresult = items.GetCount(out UInt32 count);
if (hresult != HResult.Ok)
{
throw new Exception("IShellItemArray.GetCount failed. HResult: " + hresult); // TODO: Will this ever happen?
}
else
{
List <String> list = new List <String>(capacity: (Int32)count);
for (int i = 0; i < count; i++)
{
#if NETCOREAPP3_1_OR_GREATER
IShellItem?shellItem = Utility.GetShellItemAt(items, i);
String? fileName = Utility.GetFileNameFromShellItem(shellItem);
#else
IShellItem shellItem = Utility.GetShellItemAt(items, i);
String fileName = Utility.GetFileNameFromShellItem(shellItem);
#endif
if (fileName != null)
{
list.Add(fileName);
}
}
return(list);
}
}
internal static IShellItem GetShellItemAt(IShellItemArray array, int i)
{
IShellItem result;
uint index = (uint)i;
array.GetItemAt(index, out result);
return result;
}
public static void SetSlidesIfNeeded(IDesktopWallpaper wallpaper, bool allways)
{
string pname = "";
IShellItemArray slides = WinAPI.getImageItemsFromPath(images);
IShellItemArray currentSlides;
wallpaper.GetSlideshow(out currentSlides);
IShellItem item, parent;
currentSlides.GetItemAt(0, out item);
if (item != null)
{
item.GetParent(out parent);
parent.GetDisplayName(ShellNativeMethods.ShellItemDesignNameOptions.FileSystemPath, out pname);
}
string curpname = Path.GetTempPath();
curpname = curpname.TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
pname = pname.TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
if (curpname != pname || allways)
{
wallpaper.SetSlideshow(slides);
wallpaper.SetSlideshowOptions(DesktopSlideshowDirection.Forward, ONEDAY_TICK);
}
}
/// <summary>
/// Creates a ShellObject collection from an IShellItemArray
/// </summary>
/// <param name="iArray">IShellItemArray pointer</param>
/// <param name="readOnly">Indicates whether the collection shouldbe read-only or not</param>
internal ShellObjectCollection(IShellItemArray iArray, bool readOnly)
{
this.readOnly = readOnly;
if (iArray != null)
{
try
{
uint itemCount = 0;
iArray.GetCount(out itemCount);
content = new List <ShellObject>((int)itemCount);
for (uint index = 0; index < itemCount; index++)
{
IShellItem iShellItem = null;
iArray.GetItemAt(index, out iShellItem);
content.Add(ShellObjectFactory.Create(iShellItem));
}
}
finally
{
Marshal.ReleaseComObject(iArray);
}
}
}
internal IShellItem GetShellItemAt(IShellItemArray array, int i)
{
uint index = (uint)i;
array.GetItemAt(index, out IShellItem result);
return(result);
}
/// <summary>
/// シェルアイテム配列の各アイテムのファイルパスを列挙する
/// </summary>
/// <param name="items">シェルアイテム配列</param>
/// <returns>ファイルパスのシーケンス</returns>
public static IEnumerable <string> EnumerateItemPaths(IShellItemArray items)
{
// 配列内アイテムの個数を取得
items.GetCount(out var itemCount);
// 各アイテムからパスを取得
for (uint i = 0; i < itemCount; i++)
{
var item = default(IShellItem);
var path = default(string);
try
{
// 配列内のシェルアイテム取得
items.GetItemAt(i, out item);
// アイテムのパスを取得
path = GetFileSystemPath(item);
}
finally
{
// シェルアイテムの参照を解放
ReleaseExistComObject(item);
}
// パスを列挙
yield return(path);
}
}
public HRESULT CreatePlaylist(IShellItemArray psia)
{
_ppd = new IProgressDialog();
_ppd.StartProgressDialog(dwFlags: PROGDLG.PROGDLG_AUTOTIME);
_ppd.SetTitle("Building Playlist");
_ppd.SetLine(1, "Finding music files...", false);
var pnsw = new INamespaceWalk();
pnsw.Walk(psia, NAMESPACEWALKFLAG.NSWF_TRAVERSE_STREAM_JUNCTIONS | NAMESPACEWALKFLAG.NSWF_DONT_ACCUMULATE_RESULT, 4, this);
_fCountingFiles = false;
_ppd.SetLine(1, "Adding files...", false);
_pstm = _GetPlaylistStream();
var hr = WriteHeader();
if (hr.Succeeded)
{
pnsw.Walk(psia, NAMESPACEWALKFLAG.NSWF_TRAVERSE_STREAM_JUNCTIONS | NAMESPACEWALKFLAG.NSWF_DONT_ACCUMULATE_RESULT | NAMESPACEWALKFLAG.NSWF_SHOW_PROGRESS, 4, this);
hr = WriteFooter();
}
_pstm.Commit(0);
if (hr.Succeeded)
{
var psiCreated = _GetPlaylistItem <IShellItem>();
hr = OpenFolderAndSelectItem(psiCreated);
}
_ppd.StopProgressDialog();
_ExitMessageLoop();
return(0);
}
public static String[] GetFileNames(IShellItemArray items)
{
UInt32 count;
HResult hresult = items.GetCount(out count);
if (hresult != HResult.Ok)
{
throw new InvalidOperationException("IShellItemArray.GetCount failed. HResult: " + hresult);
}
String[] fileNames = new String[count];
for (UInt32 i = 0; i < count; i++)
{
HResult result = items.GetItemAt(i, out IShellItem shellItem);
if (result != HResult.Ok)
{
throw new InvalidOperationException("IShellItemArray.GetItemAt( " + i + " ) failed. HResult: " + hresult);
}
String fileName = Utility.GetFileNameFromShellItem(shellItem);
fileNames[i] = fileName;
}
return(fileNames);
}
/// <summary>
/// Gets the items in the ExplorerBrowser as an IShellItemArray
/// </summary>
/// <returns></returns>
internal IShellItemArray GetItemsArray()
{
IShellItemArray iArray = null;
IFolderView2 iFV2 = GetFolderView2();
if (iFV2 != null)
{
try
{
Guid iidShellItemArray = new Guid(ShellIIDGuid.IShellItemArray);
object oArray = null;
HResult hr = iFV2.Items((uint)ShellViewGetItemObject.AllView, ref iidShellItemArray, out oArray);
if (hr != HResult.Ok &&
hr != HResult.Fail &&
hr != HResult.ElementNotFound &&
hr != HResult.InvalidArguments)
{
throw new CommonControlException(LocalizedMessages.ExplorerBrowserViewItems, hr);
}
iArray = oArray as IShellItemArray;
}
finally
{
Marshal.ReleaseComObject(iFV2);
iFV2 = null;
}
}
return(iArray);
}
/// <summary>
/// Gets the items in the ExplorerBrowser as an IShellItemArray
/// </summary>
/// <returns></returns>
internal IShellItemArray GetItemsArray()
{
IShellItemArray iArray = null;
IFolderView2 iFV2 = GetFolderView2();
if (iFV2 != null)
{
try
{
Guid iidShellItemArray = new Guid(ShellIIDGuid.IShellItemArray);
object oArray = null;
HRESULT hr = iFV2.Items((uint)SVGIO.SVGIO_ALLVIEW, ref iidShellItemArray, out oArray);
if (hr != HRESULT.S_OK &&
hr != HRESULT.E_FAIL &&
hr != HRESULT.E_ELEMENTNOTFOUND &&
hr != HRESULT.E_INVALIDARG)
{
throw new COMException("unexpected error retrieving view items", (int)hr);
}
iArray = oArray as IShellItemArray;
}
finally
{
Marshal.ReleaseComObject(iFV2);
iFV2 = null;
}
}
return(iArray);
}
/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
public virtual void Dispose()
{
if (array != null)
{
Marshal.ReleaseComObject(array);
array = null;
}
}
static internal IShellItem GetShellItemAt(IShellItemArray array, int i)
{
IShellItem result;
var index = (uint)i;
array.GetItemAt(index, out result);
return(result);
}
/// <summary>
/// Get <see cref="IShellItem" /> at the position specified by <see cref="index" />
/// from <see cref="IShellItemArray" />.
/// </summary>
/// <param name="shellItemArray"><see cref="IShellItemArray" />.</param>
/// <param name="index">Index of the <see cref="IShellItemArray" />.</param>
/// <returns><see cref="IShellItem" />.</returns>
internal static IShellItem GetShellItemAt(IShellItemArray shellItemArray, int index)
{
Contract.Requires <ArgumentNullException>(shellItemArray != null);
IShellItem result;
shellItemArray.GetItemAt((uint)index, out result);
return(result);
}
// to make the verbs async capture the item array and post a message to do the work later
public void CreatePlaylistAsync(uint msg, IShellItemArray psia)
{
// only allow one at a time
if (_psia == null)
{
_psia = psia;
PostThreadMessage(GetCurrentThreadId(), msg);
}
}
public static HRESULT DisplayItem(this IShellItemArray psia, HWND hwnd = default)
{
// Get the first ShellItem and display its name
IShellItem psi = psia.GetItemAt(0);
var pszDisplayName = psi.GetDisplayName(SIGDN.SIGDN_NORMALDISPLAY);
User32.MessageBox(hwnd, pszDisplayName, pszDisplayName, User32.MB_FLAGS.MB_OK);
return(HRESULT.S_OK);
}
public static void PrintShellItemArray(IShellItemArray shellItemArray)
{
for (uint i = 0; i < shellItemArray.GetCount(); i++)
{
IShellItem si = shellItemArray.GetItemAt(i);
Console.Out.WriteLine(si.GetDisplayName(SIGDN.SIGDN_FILESYSPATH));
Marshal.ReleaseComObject(si);
}
}
/// <summary>
/// Get the number of items in <see cref="IShellItemArray" />.
/// </summary>
/// <param name="shellItemArray"><see cref="IShellItemArray" />.</param>
/// <returns>Number of item.</returns>
internal static int GetShellItemCount(IShellItemArray shellItemArray)
{
Contract.Requires <ArgumentNullException>(shellItemArray != null);
uint result;
shellItemArray.GetCount(out result);
return((int)result);
}
/// <summary>
/// Copies items to a destination
/// </summary>
/// <param name="source">The items you want to copy</param>
/// <param name="destination">The destination you want to copy the <paramref name="source"/> items</param>
public void CopyItems(IShellItemArray source, IListItemEx destination)
{
this.ThrowIfDisposed();
if (this._IsCopyInSameFolder)
{
this._FileOperation.SetOperationFlags(FileOperationFlags.FOF_RENAMEONCOLLISION | FileOperationFlags.FOF_ALLOWUNDO | FileOperationFlags.FOF_NOCONFIRMMKDIR);
}
this._FileOperation.CopyItems(source, destination.ComInterface);
}
private static IEnumerable <string> ConvertShellItemArray(IShellItemArray itemArray)
{
itemArray.GetCount(out var count);
string[] paths = new string[count];
for (int i = 0; i < count; i++)
{
itemArray.GetItemAt(i, out IShellItem item);
item.GetDisplayName(SIGDN.FILESYSPATH, out var name);
paths[i] = name;
}
return(paths);
}
private static void Main(string[] args)
{
ApplicationActivationManager appActiveManager = new ApplicationActivationManager();//Class not registered
uint pid;
appActiveManager.ActivateApplication("2c123c17-8b21-4eb8-8b7f-fdc35c8b7718_n2533ggrncqjt!App", null, ActivateOptions.None, out pid);
Console.WriteLine("Activated");
Console.ReadLine();
IShellItemArray array = GetShellItemArray(@"C:\temp\somefile.xyz");
appActiveManager.ActivateForFile("2c123c17-8b21-4eb8-8b7f-fdc35c8b7718_n2533ggrncqjt!App", array, "Open",
out pid);
Console.WriteLine("Activated for file");
Console.ReadLine();
}
public static void GetSlideShow(string[] paths)
{
// Load into memory
DesktopWallpaper.IDesktopWallpaper wallpaper = DesktopWallpaper.WallpaperWrapper.GetWallpaper();
IShellItemArray slideshow = wallpaper.GetSlideshow();
IShellItemArray pictures = FoldersToShellItemArray(paths);
Console.Out.WriteLine("Now: ");
PrintShellItemArray(slideshow);
Console.Out.WriteLine("Program: ");
PrintShellItemArray(pictures);
// Cleanup
Marshal.ReleaseComObject(pictures);
Marshal.ReleaseComObject(slideshow);
Marshal.ReleaseComObject(wallpaper);
}
/// <summary>
/// Gets all the ShellItems from ShellItemArray.
/// </summary>
/// <exception cref="COMException">See HRESULT value for more details.</exception>
public static IShellItem[] GetShellItems(IShellItemArray shellItemArray)
{
shellItemArray.GetCount(out var count);
var shellItems = new IShellItem[count];
// TODO: getting all the items in one go might not be a good idea - but when could it fails?
shellItemArray.EnumItems(out var enumShellItems);
var hresult = enumShellItems.Next(count, shellItems, out var fetched);
Marshal.ReleaseComObject(enumShellItems);
if (hresult != HRESULT.S_OK || count != fetched)
{
throw new COMException("Unexpected error from IEnumShellItems::Next.", hresult.Value);
}
return(shellItems);
}
public static IShellItem GetShellItemAt(IShellItemArray array, int i)
#endif
{
if (array is null)
{
throw new ArgumentNullException(nameof(array));
}
HResult hr = array.GetItemAt((UInt32)i, out IShellItem result);
if (hr == HResult.Ok)
{
return(result);
}
else
{
return(null);
}
}
public static String[] GetFileNames(IShellItemArray items)
{
UInt32 count;
HResult hresult = items.GetCount(out count);
if (hresult != HResult.Ok)
{
throw new Exception("IShellItemArray.GetCount failed. HResult: " + hresult); // TODO: Will this ever happen?
}
String[] fileNames = new String[count];
for (int i = 0; i < count; i++)
{
IShellItem shellItem = Utility.GetShellItemAt(items, i);
String fileName = Utility.GetFileNameFromShellItem(shellItem);
fileNames[i] = fileName;
}
return(fileNames);
}
internal override string[] ProcessVistaFiles(IFileDialog dialog)
{
var openDialog = (IFileOpenDialog)dialog;
if (Multiselect)
{
IShellItemArray results = openDialog.GetResults();
uint count = results.GetCount();
string[] paths = new string[count];
for (uint i = 0; i < count; ++i)
{
IShellItem item = results.GetItemAt(i);
paths[i] = item.GetDisplayName(SIGDN.DESKTOPABSOLUTEPARSING);
}
return paths;
}
else
{
IShellItem item = openDialog.GetResult();
return new [] { item.GetDisplayName(SIGDN.DESKTOPABSOLUTEPARSING) };
}
}
public static void ActivateForFile(string appUserModelId, string filePullPath, string verb, bool waitForExit = false)
{
ApplicationActivationManager appActiveManager = new ApplicationActivationManager();//Class not registered
IShellItemArray array = GetShellItemArray(filePullPath);
uint pid;
CommonHRESULTValues result = (CommonHRESULTValues)appActiveManager.ActivateForFile(appUserModelId, array, verb, out pid);
if (result == CommonHRESULTValues.S_OK)
{
if (waitForExit)
{
Process process = Process.GetProcessById((int)pid);
process.WaitForExit();
}
}
else
{
throw new Exception("ActivateForFile failed error code: " + result);
}
}
/// <summary>Gets the <see cref="ShellItem"/> at the specified index.</summary>
/// <value>The <see cref="ShellItem"/>.</value>
/// <param name="index">The zero-based index of the element to get.</param>
public ShellItem this[int index]
{
get
{
IShellItemArray array = Array;
try
{
return(array is null ? null : ShellItem.Open(array.GetItemAt((uint)index)));
}
catch
{
return(null);
}
finally
{
if (array is not null)
{
Marshal.ReleaseComObject(array);
}
}
}
}
/// <summary>
/// Converts an <see cref="IShellItemArray"/> into a IShellItem[]
/// </summary>
/// <param name="shellItemArray">The Interface you want to convert</param>
/// <returns></returns>
public static IShellItem[] ToArray(this IShellItemArray shellItemArray)
{
var items = new List <IShellItem>();
if (shellItemArray == null)
{
return(items.ToArray());
}
try {
uint itemCount = 0;
shellItemArray.GetCount(out itemCount);
for (uint index = 0; index < itemCount; index++)
{
IShellItem iShellItem = null;
shellItemArray.GetItemAt(index, out iShellItem);
items.Add(iShellItem);
}
} finally {
//Marshal.ReleaseComObject(shellItemArray);
}
return(items.ToArray());
}
internal IShellItem GetShellItemAt(IShellItemArray array, int i)
{
IShellItem result;
uint index = (uint)i;
array.GetItemAt(index, out result);
return result;
}