public static Environment.SpecialFolder?CSIDLToShellFolder(ShellAPI.CSIDL csidl)
{
foreach (var val in Enum.GetValues(typeof(KnownFolderIds)))
{
var csidlAttributes = EnumAttributeUtils <CsidlAttribute, KnownFolderIds> .FindAllAttributes(val).ToArray();
var spFolderAttributes = EnumAttributeUtils <SpecialFolderAttribute, KnownFolderIds> .FindAllAttributes(val).ToArray();
for (int i = 0; i < csidlAttributes.Length; i++)
{
if (csidlAttributes[i].CSIDL == csidl)
{
if (spFolderAttributes.Length >= csidlAttributes.Length)
{
return(spFolderAttributes[i].SpecialFolder);
}
else if (spFolderAttributes.Length >= 0)
{
return(spFolderAttributes[0].SpecialFolder);
}
}
}
}
return(null);
//var enumerator = _shellFolderLookupDic.Value.GetEnumerator();
//while (enumerator.MoveNext())
// if (enumerator.Current.Value.Equals(csidl))
// return enumerator.Current.Key;
//throw new ArgumentException("This CSIDL path not supported");
}
public static KnownFolder FromCsidl(ShellAPI.CSIDL csidl)
{
var folderManager = (IKnownFolderManager) new KnownFolderManager();
Guid knownFolderID;
folderManager.FolderIdFromCsidl((int)csidl, out knownFolderID);
IKnownFolder knowFolderInterface;
folderManager.GetFolder(knownFolderID, out knowFolderInterface);
return(new KnownFolder(knowFolderInterface));
}
public static Environment.SpecialFolder CSIDLToShellFolder(ShellAPI.CSIDL csidl)
{
var enumerator = _shellFolderLookupDic.GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.Value.Equals(csidl))
{
return(enumerator.Current.Key);
}
}
throw new ArgumentException("This CSIDL path not supported");
}
/// <summary>
/// Gets the path to the system special folder identified by the specified enumeration.
/// </summary>
public static string GetFolderPath(ShellAPI.CSIDL folder)
{
PIDL pidlLookup = CSIDLtoPIDL(folder);
try
{
return(FileSystemInfoEx.PIDLToPath(pidlLookup));
}
finally { if (pidlLookup != null)
{
pidlLookup.Free();
}
}
}
public static int GetSpecialFolderImageIndex(ShellAPI.CSIDL pidl)
{
IntPtr tempPidl = IntPtr.Zero;
ShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, pidl, out tempPidl);
ShellAPI.SHFILEINFO shfiSmall = new ShellAPI.SHFILEINFO();
ShellAPI.SHGetFileInfo(tempPidl, 0, ref shfiSmall, ShellAPI.cbFileInfo,
ShellAPI.SHGFI.PIDL |
ShellAPI.SHGFI.ICON |
ShellAPI.SHGFI.SMALLICON |
ShellAPI.SHGFI.SYSICONINDEX
);
return(shfiSmall.iIcon);
}
public DirectoryInfoEx(ShellAPI.CSIDL csidl)
{
PIDL pidlLookup = CSIDLtoPIDL(csidl);
try
{
init(pidlLookup);
checkProperties();
}
finally
{
//if (pidlLookup != null) pidlLookup.Free();
pidlLookup = null;
}
}
internal ShellItem GetSpecialFolderShellItem(ShellAPI.CSIDL rootFolder)
{
return(new ShellItem(this, rootFolder));
}
public CsidlAttribute(ShellAPI.CSIDL csidl)
{
CSIDL = csidl;
}
public static extern int SHGetSpecialFolderLocation(IntPtr hwndOwner, ShellAPI.CSIDL nFolder, out IntPtr ppidl);
public static extern int SHGetFolderPath(IntPtr hwndOwner, ShellAPI.CSIDL nFolder, IntPtr hToken, ShellAPI.SHGFP dwFlags, StringBuilder pszPath);
public void ShowContextMenuForCSIDL(IntPtr handleOwner, ShellAPI.CSIDL csidl, Point pointScreen)
{
// Release all resources first.
ReleaseAll();
IntPtr pMenu = IntPtr.Zero;
var hook = new LocalWindowsHook(HookType.WH_CALLWNDPROC);
hook.HookInvoked += WindowsHookInvoked;
try
{
IntPtr tempPidl;
ShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, csidl, out tempPidl);
_arrPIDLs = new[] { tempPidl };
_oParentFolder = GetDesktopFolder();
if (false == GetContextMenuInterfaces(_oParentFolder, _arrPIDLs))
{
ReleaseAll();
return;
}
pMenu = CreatePopupMenu();
_oContextMenu.QueryContextMenu(
pMenu,
0,
CMD_FIRST,
CMD_LAST,
CMF.EXPLORE |
CMF.NORMAL |
((Control.ModifierKeys & Keys.Shift) != 0 ? CMF.EXTENDEDVERBS : 0));
hook.Install();
uint nSelected = TrackPopupMenuEx(
pMenu,
TPM.RETURNCMD,
pointScreen.X,
pointScreen.Y,
handleOwner,
IntPtr.Zero);
DestroyMenu(pMenu);
pMenu = IntPtr.Zero;
if (nSelected != 0)
{
var strParentFolder = string.Empty;
InvokeCommand(_oContextMenu, nSelected, strParentFolder, pointScreen);
}
}
finally
{
hook.Uninstall();
if (pMenu != IntPtr.Zero)
{
DestroyMenu(pMenu);
}
ReleaseAll();
}
}
