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using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
namespace Web.Management.PHP
{
static class ShowSelectedInExplorer
{
[Flags]
enum SHCONT : ushort
{
SHCONTF_CHECKING_FOR_CHILDREN = 0x0010,
SHCONTF_FOLDERS = 0x0020,
SHCONTF_NONFOLDERS = 0x0040,
SHCONTF_INCLUDEHIDDEN = 0x0080,
SHCONTF_INIT_ON_FIRST_NEXT = 0x0100,
SHCONTF_NETPRINTERSRCH = 0x0200,
SHCONTF_SHAREABLE = 0x0400,
SHCONTF_STORAGE = 0x0800,
SHCONTF_NAVIGATION_ENUM = 0x1000,
SHCONTF_FASTITEMS = 0x2000,
SHCONTF_FLATLIST = 0x4000,
SHCONTF_ENABLE_ASYNC = 0x8000
}
[ComImport,
Guid("000214E6-0000-0000-C000-000000000046"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown),
ComConversionLoss]
interface IShellFolder
{
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void ParseDisplayName(IntPtr hwnd, [In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.LPWStr)] string pszDisplayName, [Out] out uint pchEaten, [Out] out IntPtr ppidl, [In, Out] ref uint pdwAttributes);
[PreserveSig]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
int EnumObjects([In] IntPtr hwnd, [In] SHCONT grfFlags, [MarshalAs(UnmanagedType.Interface)] out IEnumIDList ppenumIDList);
[PreserveSig]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
int BindToObject([In] IntPtr pidl, [In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In] ref Guid riid, [Out, MarshalAs(UnmanagedType.Interface)] out IShellFolder ppv);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void BindToStorage([In] ref IntPtr pidl, [In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In] ref Guid riid, out IntPtr ppv);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void CompareIDs([In] IntPtr lParam, [In] ref IntPtr pidl1, [In] ref IntPtr pidl2);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void CreateViewObject([In] IntPtr hwndOwner, [In] ref Guid riid, out IntPtr ppv);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void GetAttributesOf([In] uint cidl, [In] IntPtr apidl, [In, Out] ref uint rgfInOut);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void GetUIObjectOf([In] IntPtr hwndOwner, [In] uint cidl, [In] IntPtr apidl, [In] ref Guid riid, [In, Out] ref uint rgfReserved, out IntPtr ppv);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void GetDisplayNameOf([In] ref IntPtr pidl, [In] uint uFlags, out IntPtr pName);
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
void SetNameOf([In] IntPtr hwnd, [In] ref IntPtr pidl, [In, MarshalAs(UnmanagedType.LPWStr)] string pszName, [In] uint uFlags, [Out] IntPtr ppidlOut);
}
[ComImport,
Guid("000214F2-0000-0000-C000-000000000046"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
interface IEnumIDList
{
[PreserveSig]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
int Next(uint celt, IntPtr rgelt, out uint pceltFetched);
[PreserveSig]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
int Skip([In] uint celt);
[PreserveSig]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
int Reset();
[PreserveSig]
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
int Clone([MarshalAs(UnmanagedType.Interface)] out IEnumIDList ppenum);
}
static class NativeMethods
{
[DllImport("shell32.dll", EntryPoint = "SHGetDesktopFolder", CharSet = CharSet.Unicode,
SetLastError = true)]
static extern int SHGetDesktopFolder_([MarshalAs(UnmanagedType.Interface)] out IShellFolder ppshf);
public static IShellFolder SHGetDesktopFolder()
{
IShellFolder result;
Marshal.ThrowExceptionForHR(SHGetDesktopFolder_(out result));
return result;
}
[DllImport("shell32.dll", EntryPoint = "SHOpenFolderAndSelectItems")]
static extern int SHOpenFolderAndSelectItems_(
[In] IntPtr pidlFolder, uint cidl, [In, Optional, MarshalAs(UnmanagedType.LPArray)] IntPtr[] apidl,
int dwFlags);
public static void SHOpenFolderAndSelectItems(IntPtr pidlFolder, IntPtr[] apidl, int dwFlags)
{
var cidl = (apidl != null) ? (uint)apidl.Length : 0U;
var result = SHOpenFolderAndSelectItems_(pidlFolder, cidl, apidl, dwFlags);
Marshal.ThrowExceptionForHR(result);
}
[DllImport("shell32.dll")]
public static extern void ILFree([In] IntPtr pidl);
}
static IntPtr GetShellFolderChildrenRelativePIDL(IShellFolder parentFolder, string displayName)
{
uint pchEaten;
uint pdwAttributes = 0;
IntPtr ppidl;
parentFolder.ParseDisplayName(IntPtr.Zero, null, displayName, out pchEaten, out ppidl, ref pdwAttributes);
return ppidl;
}
static IntPtr PathToAbsolutePIDL(string path)
{
var desktopFolder = NativeMethods.SHGetDesktopFolder();
return GetShellFolderChildrenRelativePIDL(desktopFolder, path);
}
static Guid IID_IShellFolder = typeof(IShellFolder).GUID;
static IShellFolder PIDLToShellFolder(IShellFolder parent, IntPtr pidl)
{
IShellFolder folder;
var result = parent.BindToObject(pidl, null, ref IID_IShellFolder, out folder);
Marshal.ThrowExceptionForHR((int)result);
return folder;
}
static IShellFolder PIDLToShellFolder(IntPtr pidl)
{
return PIDLToShellFolder(NativeMethods.SHGetDesktopFolder(), pidl);
}
static void SHOpenFolderAndSelectItems(IntPtr pidlFolder, IntPtr[] apidl, bool edit)
{
NativeMethods.SHOpenFolderAndSelectItems(pidlFolder, apidl, edit ? 1 : 0);
}
public static void FileOrFolder(string path, bool edit = false)
{
if (path == null) throw new ArgumentNullException("path");
var pidl = PathToAbsolutePIDL(path);
try
{
SHOpenFolderAndSelectItems(pidl, null, edit);
}
finally
{
NativeMethods.ILFree(pidl);
}
}
}
}