private static IDLWrapper GetShellPath(IFolderView folderView)
{
if (folderView == null)
{
return(null);
}
IPersistFolder2 ppv = null;
try {
Guid riid = ExplorerGUIDs.IID_IPersistFolder2;
if (folderView.GetFolder(ref riid, out ppv) == 0)
{
IntPtr ptr;
ppv.GetCurFolder(out ptr);
return(new IDLWrapper(ptr));
}
}
catch {
}
finally {
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
}
return(new IDLWrapper(IntPtr.Zero));
}
static void Main(string[] args)
{
var shellWindows = new ShellWindows();
foreach (IWebBrowser2 win in shellWindows)
{
IServiceProvider sp = win as IServiceProvider;
object sb;
sp.QueryService(SID_STopLevelBrowser, typeof(IShellBrowser).GUID, out sb);
IShellBrowser shellBrowser = (IShellBrowser)sb;
object sv;
shellBrowser.QueryActiveShellView(out sv);
Console.WriteLine(win.LocationURL + " " + win.LocationName);
IFolderView fv = sv as IFolderView;
if (fv != null)
{
// only folder implementation support this (IE windows do not for example)
object pf;
fv.GetFolder(typeof(IPersistFolder2).GUID, out pf);
IPersistFolder2 persistFolder = (IPersistFolder2)pf;
// get folder class, for example
// CLSID_ShellFSFolder for standard explorer folders
Guid clsid;
persistFolder.GetClassID(out clsid);
Console.WriteLine(" clsid:" + clsid);
// get current folder pidl
IntPtr pidl;
persistFolder.GetCurFolder(out pidl);
// TODO: do something with pidl
Marshal.FreeCoTaskMem(pidl); // free pidl's allocated memory
}
}
}
public static IntPtr ShellGetPath(IShellBrowser shellBrowser)
{
IShellView ppshv = null;
IPersistFolder2 ppv = null;
try {
if (shellBrowser.QueryActiveShellView(out ppshv) == 0)
{
Guid riid = ExplorerGUIDs.IID_IPersistFolder2;
IFolderView view2 = (IFolderView)ppshv;
if (view2.GetFolder(ref riid, out ppv) == 0)
{
IntPtr ptr;
ppv.GetCurFolder(out ptr);
return(ptr);
}
}
}
catch {
}
finally {
if (ppshv != null)
{
Marshal.ReleaseComObject(ppshv);
}
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
}
return(IntPtr.Zero);
}
public void ShellTest()
{
var shellWindows = new ShellWindows();
foreach (IWebBrowser2 win in shellWindows)
{
IServiceProvider sp = win as IServiceProvider;
object sb;
sp.QueryService(SID_STopLevelBrowser, typeof(IShellBrowser).GUID, out sb);
IShellBrowser shellBrowser = (IShellBrowser)sb;
object sv;
shellBrowser.QueryActiveShellView(out sv);
Console.WriteLine(win.LocationURL + " " + win.LocationName);
IFolderView fv = sv as IFolderView;
if (fv != null)
{
// only folder implementation support this (IE windows do not for example)
object pf;
fv.GetFolder(typeof(IPersistFolder2).GUID, out pf);
IPersistFolder2 persistFolder = (IPersistFolder2)pf;
// get folder class, for example
// CLSID_ShellFSFolder for standard explorer folders
Guid clsid;
persistFolder.GetClassID(out clsid);
Console.WriteLine(" clsid:" + clsid);
int pitem;
Timer timer = new Timer(new TimerCallback(stat =>
{
//if (0 == fv.GetFocusedItem(out pitem))
//{
// Console.WriteLine(pitem);
//}
if (0 == fv.ItemCount(0x00000001, out pitem))
{
Console.WriteLine(pitem);
}
}));
timer.Change(200, 0);
// get current folder pidl
IntPtr pidl;
persistFolder.GetCurFolder(out pidl);
// TODO: do something with pidl
Marshal.FreeCoTaskMem(pidl); // free pidl's allocated memory
}
}
}
/// <summary>
/// Open folder and select an item.
/// </summary>
/// <remarks>
/// SHParseDisplayName will not always find the correct folder. If the user has a folder open that is rooted in their user folder (e.g. the desktop, Dropbox/Mega/Nextcloud folder),
/// this won't match the folder reference returned by SHParseDisplayName if given the actual path of the same folder. This will result in opening a duplicate folder.
/// So instead, we iterate through open folder windows for a path match first, then use the old method if one is not found.
/// </remarks>
/// <param name="filePath">Full path to a file to highlight in Windows Explorer</param>
public static void OpenFolderAndSelectItem(string filePath)
{
var folderPath = Path.GetDirectoryName(filePath);
bool opened = false;
var shellWindowsType = Type.GetTypeFromCLSID(SID_ShellWindows);
var shellWindows = (dynamic)Activator.CreateInstance(shellWindowsType);
try {
foreach (IServiceProvider sp in shellWindows)
{
var pidl = IntPtr.Zero;
var nativeFile = IntPtr.Zero;
try {
sp.QueryService(SID_STopLevelBrowser, typeof(IShellBrowser).GUID, out object sb);
IShellBrowser shellBrowser = (IShellBrowser)sb;
shellBrowser.QueryActiveShellView(out object sv);
IFolderView fv = sv as IFolderView;
if (fv != null)
{
// only folder implementation support this (IE windows do not for example)
fv.GetFolder(typeof(IPersistFolder2).GUID, out object pf);
IPersistFolder2 persistFolder = (IPersistFolder2)pf;
// get current folder pidl
persistFolder.GetCurFolder(out pidl);
var path = new StringBuilder(1024);
if (SHGetPathFromIDList(pidl, path))
{
if (string.Equals(path.ToString(), folderPath, StringComparison.InvariantCultureIgnoreCase))
{
SHParseDisplayName(Path.Combine(folderPath, filePath), IntPtr.Zero, out nativeFile, 0, out _);
IntPtr[] fileArray;
if (nativeFile == IntPtr.Zero)
{
// Open the folder without the file selected if we can't find the file
fileArray = new IntPtr[0];
}
else
{
fileArray = new IntPtr[] { nativeFile };
}
SHOpenFolderAndSelectItems(pidl, (uint)fileArray.Length, fileArray, 0);
opened = true;
break;
}
}
}
}
finally {
if (nativeFile != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(nativeFile);
}
if (pidl != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(pidl);
}
Marshal.ReleaseComObject(sp);
}
}
}
finally {
Marshal.FinalReleaseComObject(shellWindows);
}
if (!opened)
{
IntPtr nativeFolder;
uint psfgaoOut;
SHParseDisplayName(folderPath, IntPtr.Zero, out nativeFolder, 0, out psfgaoOut);
if (nativeFolder == IntPtr.Zero)
{
// Log error, can't find folder
return;
}
IntPtr nativeFile;
SHParseDisplayName(Path.Combine(folderPath, filePath), IntPtr.Zero, out nativeFile, 0, out psfgaoOut);
IntPtr[] fileArray;
if (nativeFile == IntPtr.Zero)
{
// Open the folder without the file selected if we can't find the file
fileArray = new IntPtr[0];
}
else
{
fileArray = new IntPtr[] { nativeFile };
}
SHOpenFolderAndSelectItems(nativeFolder, (uint)fileArray.Length, fileArray, 0);
Marshal.FreeCoTaskMem(nativeFolder);
if (nativeFile != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(nativeFile);
}
}
}
