public IntPtr GetDisplayName(SIGDN sigdnName)
{
if (sigdnName == SIGDN.FILESYSPATH)
{
StringBuilder result = new StringBuilder(512);
if (!Shell32.SHGetPathFromIDList(m_Pidl, result))
{
throw new ArgumentException();
}
return(Marshal.StringToHGlobalUni(result.ToString()));
}
else
{
IShellFolder parentFolder = GetParent().GetIShellFolder();
IntPtr childPidl = Shell32.ILFindLastID(m_Pidl);
StringBuilder builder = new StringBuilder(512);
STRRET strret = new STRRET();
parentFolder.GetDisplayNameOf(childPidl,
(SHGNO)((int)sigdnName & 0xffff), out strret);
ShlWapi.StrRetToBuf(ref strret, childPidl, builder,
(uint)builder.Capacity);
return(Marshal.StringToHGlobalUni(builder.ToString()));
}
}
private static void GetChilds(IShellFolder desktop)
{
Console.WriteLine("===============GetChilds================");
//循环查找子项
Microsoft.WindowsAPICodePack.Shell.IEnumIDList Enum = null;
IEnumIDList EnumPtr;
IntPtr pidlSub;
uint celtFetched;
if (desktop.EnumObjects(IntPtr.Zero, ShellNativeMethods.ShellFolderEnumerationOptions.Folders | ShellNativeMethods.ShellFolderEnumerationOptions.IncludeHidden | ShellNativeMethods.ShellFolderEnumerationOptions.Storage, out EnumPtr) == CONST.S_OK)
{
while (EnumPtr.Next(1, out pidlSub, out celtFetched) == 0 && celtFetched == CONST.S_FALSE)
{
IntPtr strr;
desktop.GetDisplayNameOf(ref pidlSub, (uint)SHGNO.INFOLDER, out strr);
string name = Marshal.PtrToStringAuto(strr);
//SHFILEINFO info = new SHFILEINFO();
//Shell32.SHGetFileInfo(pidlSub, 0, ref info, Marshal.SizeOf(typeof(SHFILEINFO)), SHGFI.PIDL | SHGFI.DISPLAYNAME | SHGFI.ICONLOCATION);
//IShellFolder iSub;
//desktop.BindToObject(pidlSub, IntPtr.Zero, ref Guids.IID_IShellFolder, out iSub);
Console.WriteLine(name);
}
}
Console.WriteLine();
Console.WriteLine();
}
public static string GetDisplayName(IntPtr pIDL, bool fDisplayName)
{
IShellFolder ppv = null;
Guid riid = ExplorerGUIDs.IID_IShellFolder;
try {
IntPtr ptr;
STRRET strret;
if ((PInvoke.SHBindToParent(pIDL, riid, out ppv, out ptr) != 0) || (ppv == null))
{
return(string.Empty);
}
uint uFlags = fDisplayName ? 0 : 0x8000u;
StringBuilder pszBuf = new StringBuilder(260);
if (ppv.GetDisplayNameOf(ptr, uFlags, out strret) == 0)
{
PInvoke.StrRetToBuf(ref strret, ptr, pszBuf, pszBuf.Capacity);
}
return(pszBuf.ToString());
}
catch {
}
finally {
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
}
return(string.Empty);
}
protected override bool RunDialog(System.IntPtr hwndOwner)
{
string m_DisplayName = "";
string sDisplay;
IntPtr ptrRet;
// Get IMalloc interface
WindowsAPI.SHGetMalloc(out ptrRet);
Type mallocType = System.Type.GetType("IMalloc");
IMalloc pMalloc = ( IMalloc )Marshal.GetTypedObjectForIUnknown(ptrRet, mallocType);
IntPtr pidlRoot = IntPtr.Zero;
BROWSEINFO bi = new BROWSEINFO();
bi.hwndOwner = hwndOwner;
bi.pidlRoot = pidlRoot; //TODO: Root`s selection
bi.pszDisplayName = new string( ' ', 256 );
bi.lpszTitle = Title;
bi.ulFlags = GetFlagsValue();
bi.lParam = 0;
bi.lpfn = new WindowsAPI.BrowseCallbackProc(this.HookProc);
IntPtr pidlSelected;
pidlSelected = WindowsAPI.SHBrowseForFolder(ref bi);
m_DisplayName = bi.pszDisplayName.ToString();
// if display name is whitespace then return FAIL
if (m_DisplayName.Trim() == string.Empty)
{
return(false);
}
IShellFolder isf = GetDesktopFolder();
STRRET ptrDisplayName;
isf.GetDisplayNameOf(pidlSelected,
(uint)SHGNO.SHGDN_NORMAL | (uint)SHGNO.SHGDN_FORPARSING,
out ptrDisplayName);
WindowsAPI.StrRetToBSTR(ref ptrDisplayName, pidlRoot, out sDisplay);
m_sFullName = sDisplay;
if (pidlRoot != IntPtr.Zero)
{
pMalloc.Free(pidlRoot);
}
if (pidlSelected != IntPtr.Zero)
{
pMalloc.Free(pidlSelected);
}
Marshal.ReleaseComObject(isf);
Marshal.ReleaseComObject(pMalloc);
return(true);
}
private static void GetChilds(IShellFolder desktop)
{
Console.WriteLine("===============GetChilds================");
//循环查找子项
Microsoft.WindowsAPICodePack.Shell.IEnumIDList Enum = null;
IEnumIDList EnumPtr;
IntPtr pidlSub;
uint celtFetched;
if (desktop.EnumObjects(IntPtr.Zero, ShellNativeMethods.ShellFolderEnumerationOptions.Folders | ShellNativeMethods.ShellFolderEnumerationOptions.IncludeHidden | ShellNativeMethods.ShellFolderEnumerationOptions.Storage, out EnumPtr) == CONST.S_OK)
{
while (EnumPtr.Next(1, out pidlSub, out celtFetched) == 0 && celtFetched == CONST.S_FALSE)
{
IntPtr strr;
desktop.GetDisplayNameOf(ref pidlSub, (uint)SHGNO.INFOLDER, out strr);
string name = Marshal.PtrToStringAuto(strr);
//SHFILEINFO info = new SHFILEINFO();
//Shell32.SHGetFileInfo(pidlSub, 0, ref info, Marshal.SizeOf(typeof(SHFILEINFO)), SHGFI.PIDL | SHGFI.DISPLAYNAME | SHGFI.ICONLOCATION);
//IShellFolder iSub;
//desktop.BindToObject(pidlSub, IntPtr.Zero, ref Guids.IID_IShellFolder, out iSub);
Console.WriteLine(name);
}
}
Console.WriteLine();
Console.WriteLine();
}
public static string GetDisplayNameOf(this IShellFolder shellFolder, IntPtr pidl, SHGDNF uFlags)
{
shellFolder.GetDisplayNameOf(pidl, SHGDNF.FORPARSING, out var str);
NativeMethods.StrRetToBSTR(ref str, pidl, out var buffer);
return(buffer);
}
/// <summary>
/// 获取显示名称
/// </summary>
public static string GetNameByIShell(IShellFolder Root, IntPtr pidlSub)
{
IntPtr strr = Marshal.AllocCoTaskMem(MAX_PATH * 2 + 4);
Marshal.WriteInt32(strr, 0, 0);
StringBuilder buf = new StringBuilder(MAX_PATH);
Root.GetDisplayNameOf(pidlSub, SHGNO.INFOLDER, strr);
Shlwapi.StrRetToBuf(strr, pidlSub, buf, MAX_PATH);
return buf.ToString();
}
/// <summary>
/// 获取显示名称
/// </summary>
public static string GetNameByIShell(IShellFolder Root, IntPtr pidlSub)
{
IntPtr strr = Marshal.AllocCoTaskMem(MAX_PATH * 2 + 4);
Marshal.WriteInt32(strr, 0, 0);
StringBuilder buf = new StringBuilder(MAX_PATH);
Root.GetDisplayNameOf(pidlSub, SHGNO.INFOLDER, strr);
Shlwapi.StrRetToBuf(strr, pidlSub, buf, MAX_PATH);
return(buf.ToString());
}
/// <summary> 获取路径 </summary>
public static string GetPathByIShell(IShellFolder Root, IntPtr pidlSub)
{
IntPtr strr = Marshal.AllocCoTaskMem(MAX_PATH * 2 + 4);
Marshal.WriteInt32(strr, 0, 0);
StringBuilder buf = new StringBuilder(MAX_PATH);
Root.GetDisplayNameOf(pidlSub, SHGNO.FORADDRESSBAR | SHGNO.FORPARSING, strr);
API.StrRetToBuf(strr, pidlSub, buf, MAX_PATH);
Marshal.FreeCoTaskMem(strr);
return(buf.ToString());
}
public static string GetDisplayName(IShellFolder shellFolder, IntPtr pIDLLast, bool fDisplayName)
{
STRRET strret;
uint uFlags = fDisplayName ? 0 : 0x8000u;
StringBuilder pszBuf = new StringBuilder(260);
if (shellFolder.GetDisplayNameOf(pIDLLast, uFlags, out strret) == 0)
{
PInvoke.StrRetToBuf(ref strret, pIDLLast, pszBuf, pszBuf.Capacity);
}
return(pszBuf.ToString());
}
public Int32 ShouldShow(
Object psf, // A pointer to the folder's IShellFolder interface.
IntPtr pidlFolder, // The folder's PIDL.
IntPtr pidlItem) // The item's PIDL.
{
// check extension, and if not ok return 1 (S_FALSE)
// get display name of item
IShellFolder isf = (IShellFolder)psf;
ShellApi.STRRET ptrDisplayName;
isf.GetDisplayNameOf(pidlItem, (uint)ShellApi.SHGNO.SHGDN_NORMAL | (uint)ShellApi.SHGNO.SHGDN_FORPARSING,
out ptrDisplayName);
String sDisplay;
ShellApi.StrRetToBSTR(ref ptrDisplayName, (IntPtr)0, out sDisplay);
// check if item is file or folder
IntPtr[] aPidl = new IntPtr[1];
aPidl[0] = pidlItem;
uint Attrib;
Attrib = (uint)ShellApi.SFGAO.SFGAO_FOLDER;
int temp;
temp = isf.GetAttributesOf(1, aPidl, ref Attrib);
// if item is a folder, accept
if ((Attrib & (uint)ShellApi.SFGAO.SFGAO_FOLDER) == (uint)ShellApi.SFGAO.SFGAO_FOLDER)
{
return(0);
}
// if item is file, check if it has a valid extension
for (int i = 0; i < ValidExtension.Length; i++)
{
if (sDisplay.ToUpper().EndsWith("." + ValidExtension[i].ToUpper()))
{
return(0);
}
}
return(1);
}
/// <summary>
/// Gets the parent folder
/// </summary>
/// <param name="folderName">Folder path</param>
/// <returns>IShellFolder for the folder (relative from the desktop)</returns>
private IShellFolder GetParentFolder(string folderName)
{
if (null == _oParentFolder)
{
IShellFolder oDesktopFolder = GetDesktopFolder();
if (null == oDesktopFolder)
{
return(null);
}
// Get the PIDL for the folder file is in
IntPtr pPIDL = IntPtr.Zero;
uint pchEaten = 0;
SFGAO pdwAttributes = 0;
int nResult = oDesktopFolder.ParseDisplayName(IntPtr.Zero, IntPtr.Zero, folderName, ref pchEaten, out pPIDL, ref pdwAttributes);
if (S_OK != nResult)
{
return(null);
}
IntPtr pStrRet = Marshal.AllocCoTaskMem(MAX_PATH * 2 + 4);
Marshal.WriteInt32(pStrRet, 0, 0);
nResult = _oDesktopFolder.GetDisplayNameOf(pPIDL, SHGNO.FORPARSING, pStrRet);
StringBuilder strFolder = new StringBuilder(MAX_PATH);
Shell32.StrRetToBuf(pStrRet, pPIDL, strFolder, MAX_PATH);
Marshal.FreeCoTaskMem(pStrRet);
pStrRet = IntPtr.Zero;
_strParentFolder = strFolder.ToString();
// Get the IShellFolder for folder
IntPtr pUnknownParentFolder = IntPtr.Zero;
nResult = oDesktopFolder.BindToObject(pPIDL, IntPtr.Zero, ref IID_IShellFolder, out pUnknownParentFolder);
// Free the PIDL first
Marshal.FreeCoTaskMem(pPIDL);
if (S_OK != nResult)
{
return(null);
}
_oParentFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(pUnknownParentFolder, typeof(IShellFolder));
}
return(_oParentFolder);
}
private static IShellFolder GetParentFolder(string folderName)
{
if (null == _oParentFolder)
{
var oDesktopFolder = (IShellFolder)SHGetDesktopFolder.GetDesktopFolder();
if (null == oDesktopFolder)
{
return(null);
}
IntPtr pPidl;
uint pchEaten = 0;
Enums.Sfgao pdwAttributes = 0;
var nResult = oDesktopFolder.ParseDisplayName(IntPtr.Zero, IntPtr.Zero, folderName, ref pchEaten, out pPidl, ref pdwAttributes);
if (SOk != nResult)
{
return(null);
}
var pStrRet = Marshal.AllocCoTaskMem(MaxPath * 2 + 4);
Marshal.WriteInt32(pStrRet, 0, 0);
nResult = _oDesktopFolder.GetDisplayNameOf(pPidl, Enums.Shgno.FORPARSING, pStrRet);
var strFolder = new StringBuilder(MaxPath);
DllImports.StrRetToBuf(pStrRet, pPidl, strFolder, MaxPath);
Marshal.FreeCoTaskMem(pStrRet);
pStrRet = IntPtr.Zero;
_strParentFolder = strFolder.ToString();
IntPtr pUnknownParentFolder;
nResult = oDesktopFolder.BindToObject(pPidl, IntPtr.Zero, ref _iidIShellFolder, out pUnknownParentFolder);
Marshal.FreeCoTaskMem(pPidl);
if (SOk != nResult)
{
return(null);
}
_oParentFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(pUnknownParentFolder, typeof(IShellFolder));
}
return(_oParentFolder);
}
public static string GetDisplayName(IShellFolder shellFolder, IntPtr pIDLLast, bool fDisplayName) {
STRRET strret;
uint uFlags = fDisplayName ? 0 : 0x8000u;
StringBuilder pszBuf = new StringBuilder(260);
if(shellFolder.GetDisplayNameOf(pIDLLast, uFlags, out strret) == 0) {
PInvoke.StrRetToBuf(ref strret, pIDLLast, pszBuf, pszBuf.Capacity);
}
return pszBuf.ToString();
}
public void ShowDialog()
{
m_FullName = "";
m_DisplayName = "";
// Get shell's memory allocator, it is needed to free some memory later
IMalloc pMalloc;
pMalloc = ShellFunctions.GetMalloc();
IntPtr pidlRoot;
if (RootType == RootTypeOptions.BySpecialFolder)
{
ShellApi.SHGetFolderLocation(hwndOwner, (int)RootSpecialFolder, UserToken, 0, out pidlRoot);
}
else // m_RootType = RootTypeOptions.ByPath
{
uint iAttribute;
ShellApi.SHParseDisplayName(RootPath, IntPtr.Zero, out pidlRoot, 0, out iAttribute);
}
ShellApi.BROWSEINFO bi = new ShellApi.BROWSEINFO();
bi.hwndOwner = hwndOwner;
bi.pidlRoot = pidlRoot;
bi.pszDisplayName = new String(' ', 256);
bi.lpszTitle = Title;
bi.ulFlags = (uint)DetailsFlags;
bi.lParam = 0;
bi.lpfn = new ShellApi.BrowseCallbackProc(myBrowseCallbackProc);
// Show dialog
IntPtr pidlSelected;
pidlSelected = ShellApi.SHBrowseForFolder(ref bi);
// Save the display name
m_DisplayName = bi.pszDisplayName;
IShellFolder isf = ShellFunctions.GetDesktopFolder();
ShellApi.STRRET ptrDisplayName;
isf.GetDisplayNameOf(pidlSelected, (uint)ShellApi.SHGNO.SHGDN_NORMAL | (uint)ShellApi.SHGNO.SHGDN_FORPARSING,
out ptrDisplayName);
String sDisplay;
ShellApi.StrRetToBSTR(ref ptrDisplayName, pidlRoot, out sDisplay);
m_FullName = sDisplay;
if (pidlRoot != IntPtr.Zero)
{
pMalloc.Free(pidlRoot);
}
if (pidlSelected != IntPtr.Zero)
{
pMalloc.Free(pidlSelected);
}
Marshal.ReleaseComObject(isf);
Marshal.ReleaseComObject(pMalloc);
}
//色々サンプルを書きたいのよ
private void Button_Click(object sender, RoutedEventArgs e)
{
try
{
this.hoge.ExplorerBrowserControl.Navigate((ShellObject)KnownFolders.Desktop);
return;
IntPtr PDesktop;
Shell32Wrapper.SHGetDesktopFolder(out PDesktop);
IShellFolder SHDesktop = (IShellFolder)Marshal.GetTypedObjectForIUnknown(PDesktop, typeof(IShellFolder));
IntPtr strr = Marshal.AllocCoTaskMem(Shell32Wrapper.MAX_PATH * 2 + 4);
Marshal.WriteInt32(strr, 0, 0);
IntPtr ptrPid;
Shell32Wrapper.SHGetSpecialFolderLocation(IntPtr.Zero, (int)SpecialFolderID.CSIDL_DRIVES, out ptrPid);
//なんかDesktop自身の名前は取得方法がわからん
//if (SHDesktop.GetDisplayNameOf(desktop, SHGNO.NORMAL, strr) == Shell32Wrapper.S_OK)
if (SHDesktop.GetDisplayNameOf(ptrPid, SHGNO.NORMAL, strr) == Shell32Wrapper.S_OK)
{
StringBuilder buf = new StringBuilder(Shell32Wrapper.MAX_PATH);
ShlwapiWrapper.StrRetToBuf(strr, PDesktop, buf, Shell32Wrapper.MAX_PATH);
MessageBox.Show(buf.ToString());
}
Marshal.FreeCoTaskMem(strr);
//対象ファイルの親のシェルフォルダの PIDL を取得する
IntPtr PFolder;
uint fcharcnt = 0;
SFGAO fattr = SFGAO.BROWSABLE;
if (SHDesktop.ParseDisplayName(IntPtr.Zero, IntPtr.Zero, @"C:\temp", ref fcharcnt, out PFolder, ref fattr) == Shell32Wrapper.S_OK)
{
//対象ファイルの親のシェルフォルダのポインタを取得する
IntPtr PPV;
if (SHDesktop.BindToObject(PFolder, IntPtr.Zero, GUIDs.IID_IShellFolder, out PPV) == Shell32Wrapper.S_OK)
{
//対象ファイルの親のシェルフォルダ IShellFolder を取得する
IShellFolder SHFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(PPV, typeof(IShellFolder));
//対象ファイルの PIDL (親のシェルフォルダからの相対 PIDL)を取得する
IntPtr PFile;
if (SHFolder.ParseDisplayName(IntPtr.Zero, IntPtr.Zero, "a.vbs", ref fcharcnt, out PFile, ref fattr) == Shell32Wrapper.S_OK)
{
//対象ファイルの IContextMenu へのポインタを取得する
IntPtr[] children = new IntPtr[] { PFile };
IntPtr PContext;
if (SHFolder.GetUIObjectOf(IntPtr.Zero, (uint)children.Length, children, GUIDs.IID_IContextMenu, IntPtr.Zero, out PContext) == Shell32Wrapper.S_OK)
{
//対象ファイルの IContextMenu を取得する
IContextMenu CContext = (IContextMenu)Marshal.GetTypedObjectForIUnknown(PContext, typeof(IContextMenu));
//対象ファイルの IContextMenu2, IContextMenu3 のポインタを取得する
IntPtr PContext2, PContext3;
Marshal.QueryInterface(PContext, ref GUIDs.IID_IContextMenu2, out PContext2);
Marshal.QueryInterface(PContext, ref GUIDs.IID_IContextMenu3, out PContext3);
IContextMenu2 CContext2 = (IContextMenu2)Marshal.GetTypedObjectForIUnknown(PContext2, typeof(IContextMenu2));
IContextMenu3 CContext3 = (IContextMenu3)Marshal.GetTypedObjectForIUnknown(PContext3, typeof(IContextMenu3));
//ポップアップメニューを作成する
IntPtr PPopup = User32Wrapper.CreatePopupMenu();
//ポップアップメニューに、コンテキストメニュー IContextMenu を追加する
CMF ContextMenuFlag = CMF.EXPLORE | CMF.CANRENAME;
CContext.QueryContextMenu(PPopup, 0, Shell32Wrapper.CMD_FIRST, Shell32Wrapper.CMD_LAST, ContextMenuFlag);
//ポップアップメニューを表示する
//呼び出しをブロックします
uint selected = User32Wrapper.TrackPopupMenuEx(PPopup, TPM.RETURNCMD, 0, 0, new System.Windows.Interop.WindowInteropHelper(this).Handle, IntPtr.Zero);
if (selected >= Shell32Wrapper.CMD_FIRST)
{
uint cmdidx = selected - Shell32Wrapper.CMD_FIRST;
Helper.InvokeCommand(CContext, cmdidx, @"C:\temp", new Point(0, 0));
}
User32Wrapper.DestroyMenu(PPopup);
Marshal.ReleaseComObject(CContext3);
Marshal.ReleaseComObject(CContext2);
Marshal.Release(PContext3);
Marshal.Release(PContext2);
Marshal.ReleaseComObject(CContext);
}
Marshal.Release(PContext);
}
Marshal.FreeCoTaskMem(PFile);
Marshal.ReleaseComObject(SHFolder);
}
Marshal.Release(PPV);
}
//なんでかExceptionが発生するのでコメントアウト ← 解放するメソッドを間違えていた
//Marshal.Release(PIDLParent);
Marshal.FreeCoTaskMem(PFolder);
Marshal.ReleaseComObject(SHDesktop);
Marshal.Release(PDesktop);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
public int GetDisplayNameOf(IntPtr pidl, ShellAPI.SHGNO uFlags, IntPtr lpName)
{
checkDisposed();
return(_iShellFolder.GetDisplayNameOf(pidl, uFlags, lpName));
}
private static IntPtr GetAbsolutePidl(IShellFolder folder, IntPtr relativePidl)
{
IntPtr ptr;
IShellFolder desktopFolder = GetDesktopFolder();
try
{
string lpszDisplayName = folder.GetDisplayNameOf(relativePidl, SHGNO.SHGDN_FORPARSING);
ptr = desktopFolder.ParseDisplayName(IntPtr.Zero, lpszDisplayName);
}
finally
{
Marshal.ReleaseComObject(desktopFolder);
}
return ptr;
}
public static string ExtractDisplayName( IShellFolder shellFolder, IntPtr pidlRelative, IntPtr pidlAbsolute )
{
try
{
STRRET ptrString;
shellFolder.GetDisplayNameOf( pidlRelative,
(uint)SHGDN.SHGDN_NORMAL, out ptrString );
StringBuilder strDisplay = new StringBuilder( (int)MAX.PATH );
StrRetToBuf( ref ptrString, pidlAbsolute, strDisplay, (uint)strDisplay.Capacity );
return strDisplay.ToString( );
}
catch
{
throw;
}
}
private static bool CheckDisplayName(IShellFolder shellFolder, IntPtr pIDLLast, Regex re) {
if(pIDLLast != IntPtr.Zero) {
STRRET strret;
uint uFlags = 0;
StringBuilder pszBuf = new StringBuilder(260);
if(shellFolder.GetDisplayNameOf(pIDLLast, uFlags, out strret) == 0) {
PInvoke.StrRetToBuf(ref strret, pIDLLast, pszBuf, pszBuf.Capacity);
}
if(pszBuf.Length > 0) {
return re.IsMatch(pszBuf.ToString());
}
}
return false;
}
public static List <ShellItem> GetItems(Guid FolderID) //Получает список элементов каталога по GUID
{
IntPtr p = IntPtr.Zero;
IShellFolder pFolder = null;
IEnumIDList pEnum = null;
IntPtr pItem = IntPtr.Zero;
IntPtr lpStr = IntPtr.Zero;
STRRET strret;
Guid guid = typeof(IShellFolder).GUID;
List <ShellItem> items = new List <ShellItem>();
ShellItem si;
try
{
int hr = NativeMethods.SHGetKnownFolderIDList(ref FolderID, 0, IntPtr.Zero, out p);
if (hr != 0)
{
throw Marshal.GetExceptionForHR(hr);
}
hr = NativeMethods.SHBindToObject(null, p, null, ref guid, out pFolder);
if (hr != 0)
{
throw Marshal.GetExceptionForHR(hr);
}
pFolder.EnumObjects(IntPtr.Zero, NativeMethods.SHCONTF_FOLDERS | NativeMethods.SHCONTF_NONFOLDERS, out pEnum);
while (true)
{
pItem = IntPtr.Zero;
uint res = pEnum.Next(1, out pItem, IntPtr.Zero);
if (res != 0)
{
break;
}
si = new ShellItem();
//display name
lpStr = IntPtr.Zero;
strret = new STRRET();
pFolder.GetDisplayNameOf(pItem, NativeMethods.SHGDN_NORMAL, out strret);
hr = NativeMethods.StrRetToStr(ref strret, pItem, out lpStr);
if (hr != 0)
{
throw Marshal.GetExceptionForHR(hr);
}
string s = Marshal.PtrToStringUni(lpStr);
si.DisplayName = s;
NativeMethods.CoTaskMemFree(lpStr);
//path
lpStr = IntPtr.Zero;
strret = new STRRET();
pFolder.GetDisplayNameOf(pItem, NativeMethods.SHGDN_FORPARSING, out strret);
hr = NativeMethods.StrRetToStr(ref strret, pItem, out lpStr);
if (hr != 0)
{
throw Marshal.GetExceptionForHR(hr);
}
s = Marshal.PtrToStringUni(lpStr);
try { si.Path = new Uri(s); }
catch (UriFormatException) { si.Path = new Uri("file://localhost/" + s); }
NativeMethods.CoTaskMemFree(lpStr);
//icon
try
{
Guid iid_IIExtractIcon = typeof(IExtractIcon).GUID;
IExtractIcon pExtract;
pFolder.GetUIObjectOf(IntPtr.Zero, 1, new IntPtr[] { pItem }, ref iid_IIExtractIcon, 0, out pExtract);
StringBuilder sbIcon = new StringBuilder(260);
int index = 0;
uint flags;
hr = pExtract.GetIconLocation(NativeMethods.GIL_FORSHELL, sbIcon, 260, out index, out flags);
if (hr == 0)
{
IntPtr hIconSmall = IntPtr.Zero, hIconLarge = IntPtr.Zero;
hr = pExtract.Extract(sbIcon.ToString(), (uint)index, out hIconLarge, out hIconSmall, 0x00140014);
if (hr == 0 && hIconSmall != IntPtr.Zero)
{
var icon = System.Drawing.Icon.FromHandle(hIconSmall);
var bitmap = icon.ToBitmap();
using (bitmap)
{
MemoryStream ms = new MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
si.Image = ms.ToArray();
}
NativeMethods.DestroyIcon(hIconSmall);
NativeMethods.DestroyIcon(hIconLarge);
}
else
{
si.Image = new byte[0];
}
}
else
{
si.Image = new byte[0];
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
si.Image = new byte[0];
}
items.Add(si);
NativeMethods.CoTaskMemFree(pItem);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), ex.GetType().ToString());
}
finally
{
if (p != IntPtr.Zero)
{
NativeMethods.CoTaskMemFree(p);
}
if (pFolder != null)
{
Marshal.ReleaseComObject(pFolder);
}
if (pEnum != null)
{
Marshal.ReleaseComObject(pEnum);
}
}
return(items);
}