public static string GetPathForKnownFolder(Guid knownFolder)
{
if (knownFolder == default(Guid))
{
return(null);
}
StringBuilder stringBuilder = new StringBuilder(260);
if (!NativeMethods2.SHGetFolderPathEx(ref knownFolder, KF_FLAG.DEFAULT, IntPtr.Zero, stringBuilder, (uint)stringBuilder.Capacity).Succeeded)
{
return(null);
}
return(stringBuilder.ToString());
}
public static string GetPathForKnownFolder(Guid knownFolder)
{
if (knownFolder == default(Guid))
{
return(null);
}
var pathBuilder = new StringBuilder(NativeMethods.MAX_PATH);
HRESULT hr = NativeMethods2.SHGetFolderPathEx(ref knownFolder, 0, IntPtr.Zero, pathBuilder, (uint)pathBuilder.Capacity);
// If we failed to find a path for the known folder then just ignore it.
return(hr.Succeeded
? pathBuilder.ToString()
: null);
}
public static IShellItem2 GetShellItemForPath(string path)
{
if (string.IsNullOrEmpty(path))
{
return(null);
}
Guid guid = new Guid("7e9fb0d3-919f-4307-ab2e-9b1860310c93");
object obj;
HRESULT hrLeft = NativeMethods2.SHCreateItemFromParsingName(path, null, ref guid, out obj);
if (hrLeft == (HRESULT)Win32Error.ERROR_FILE_NOT_FOUND || hrLeft == (HRESULT)Win32Error.ERROR_PATH_NOT_FOUND)
{
hrLeft = HRESULT.S_OK;
obj = null;
}
hrLeft.ThrowIfFailed();
return((IShellItem2)obj);
}
public static IShellItem2 GetShellItemForPath(string path)
{
if (string.IsNullOrEmpty(path))
{
// Internal function. Should have verified this before calling if we cared.
return(null);
}
Guid iidShellItem2 = new Guid(IID.ShellItem2);
object unk;
HRESULT hr = NativeMethods2.SHCreateItemFromParsingName(path, null, ref iidShellItem2, out unk);
// Silently absorb errors such as ERROR_FILE_NOT_FOUND, ERROR_PATH_NOT_FOUND.
// Let others pass through
if (hr == (HRESULT)Win32Error.ERROR_FILE_NOT_FOUND || hr == (HRESULT)Win32Error.ERROR_PATH_NOT_FOUND)
{
hr = HRESULT.S_OK;
unk = null;
}
hr.ThrowIfFailed();
return((IShellItem2)unk);
}
internal static void SHAddToRecentDocs(IShellLinkW shellLink)
{
NativeMethods2.SHAddToRecentDocs_ShellLink(SHARD.LINK, shellLink);
}
internal static void SHAddToRecentDocs(string path)
{
NativeMethods2.SHAddToRecentDocsString(SHARD.PATHW, path);
}
