public static void HashLnk(string lnkPath)
{
SHCreateItemFromParsingName(lnkPath, null, typeof(IShellItem2).GUID, out IShellItem item);
IShellItem2 item2 = (IShellItem2)item;
PSGetPropertyKeyFromName("System.Link.TargetParsingPath", out PropertyKey pk);
//PKEY_Link_TargetParsingPath
//pk.GUID = new Guid("{B9B4B3FC-2B51-4A42-B5D8-324146AFCF25}");
//pk.PID = 2;
string targetPath;
try { targetPath = item2.GetString(pk); }
catch { targetPath = null; }
PSGetPropertyKeyFromName("System.Link.Arguments", out pk);
//PKEY_Link_Arguments
//pk.GUID = new Guid("{436F2667-14E2-4FEB-B30A-146C53B5B674}");
//pk.PID = 100;
string arguments;
try { arguments = item2.GetString(pk); }
catch { arguments = null; }
string blob = GetGeneralizePath(targetPath) + arguments;
blob += "do not prehash links. this should only be done by the user.";//特殊但必须存在的字符串
blob = blob.ToLower();
byte[] inBytes = Encoding.Unicode.GetBytes(blob);
int byteCount = inBytes.Length;
byte[] outBytes = new byte[byteCount];
HashData(inBytes, byteCount, outBytes, byteCount);
uint hash = BitConverter.ToUInt32(outBytes, 0);
Guid guid = typeof(IPropertyStore).GUID;
IPropertyStore store = item2.GetPropertyStore(GPS.READWRITE, ref guid);
PSGetPropertyKeyFromName("System.Winx.Hash", out pk);
//PKEY_WINX_HASH
//pk.GUID = new Guid("{FB8D2D7B-90D1-4E34-BF60-6EAC09922BBF}");
//pk.PID = 2;
PropVariant pv = new PropVariant {
VarType = VarEnum.VT_UI4, ulVal = hash
};
store.SetValue(ref pk, ref pv);
store.Commit();
Marshal.ReleaseComObject(store);
Marshal.ReleaseComObject(item);
PropVariantClear(pv);
}
/// <summary>
/// Gets the string value from the specified <see cref="PropertyKey"/>
/// </summary>
/// <param name="key">The property being requested</param>
/// <returns>The string value of the specified property</returns>
public string GetString(PropertyKey key)
{
string sVal;
_pItem.GetString(key.MarshalledPointer, out sVal);
return(sVal);
}
internal static string GetItemType(IShellItem2 shellItem) {
if (shellItem != null) {
string itemType = null;
HResult hr = shellItem.GetString(ref ItemTypePropertyKey, out itemType);
if (hr == HResult.Ok) { return itemType; }
}
return null;
}
internal static string GetItemType(IShellItem2 shellItem)
{
if (shellItem != null)
{
string itemType = null;
HResult hr = shellItem.GetString(ref ItemTypePropertyKey, out itemType);
if (hr == HResult.Ok)
{
return(itemType);
}
}
return(null);
}
internal static string GetItemType(IShellItem2 shellItem)
{
if (shellItem != null)
{
string itemType = null;
HRESULT hr = shellItem.GetString(ref ItemTypePropertyKey, out itemType);
if (hr == HRESULT.S_OK)
return itemType;
}
return null;
}
private static string GetPrinterFriendlyNameIfPrinter(IShellItem2 shellItem)
{
// Devices_PrimaryCategory returns "Printers" for printers and faxes on Windows 10 but "Printers and faxes" on Windows 7.
using (var categoryIds = new PropVariantSafeHandle())
{
shellItem.GetProperty(PKEY.Devices_CategoryIds, categoryIds).ThrowIfError();
if (!categoryIds.ToStringVector().Any(id => id.StartsWith("PrintFax", StringComparison.OrdinalIgnoreCase)))
{
return(null);
}
}
// The canonical or "friendly name" needed to match the devmode
// https://blogs.msdn.microsoft.com/asklar/2009/10/21/getting-the-printer-friendly-name-from-the-device-center-shell-folder/
// PKEY_Devices_InterfacePaths doesn't seem to ever be found, but PKEY_Devices_FriendlyName works so...
shellItem.GetString(PKEY.Devices_FriendlyName, out var friendlyName).ThrowIfError();
return(friendlyName.ReadAndFree());
}
/// <summary>
/// Get the item type from the specified <see cref="IShellItem2" />.
/// </summary>
/// <param name="shellItem"><see cref="IShellItem2" />.</param>
/// <returns>Item type string.</returns>
private static string GetItemType(IShellItem2 shellItem)
{
Contract.Requires(shellItem != null);
Contract.Ensures(Contract.Result <string>() != null);
var itemTypeKey = new PROPERTYKEY(new Guid("28636AA6-953D-11D2-B5D6-00C04FD918D0"), 11);
string result;
var hr = shellItem.GetString(ref itemTypeKey, out result);
if (HRESULT.Failed(hr))
{
try
{
result = Path.GetExtension(GetParsingName(shellItem));
}
catch (Exception)
{
result = String.Empty;
}
}
return(result);
}
internal static string GetItemType(IShellItem2 shellItem) => shellItem != null && shellItem.GetString(ref ItemTypePropertyKey, out string itemType) == HResult.Ok ? itemType : null;
