我想将.net程序集注册为COM。
实际上,据我所知,这意味着,HKEY_CLASSES_ROOT
而不是HKEY_CURRENT_USER/Software/Classes
我希望条目写在 IntPtr key;
var openKeyresult = RegOpenKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\Classes", 0, (int)RegistrySecurity.KEY_WOW64_64KEY, out key);
var overrideKeyResult = RegOverridePredefKey(HKEY_CLASSES_ROOT, key);
var registerResult = Registrar.RegisterAssembly(GetAssembly(), AssemblyRegistrationFlags.SetCodeBase);
中,因此不需要UAC / Admin权限。
找到了这个问题的两个解决方案,我正在努力:
1)以编程方式,使用以下代码:
overrideKeyResult
在这种方法中,RegisterAssembly
为6,对应于ERROR_INVALID_HANDLE,因此HKEY_CLASSES_ROOT
抛出“拒绝访问”异常,因为它试图写入RegOpenKeyEx
。
旁注:每次运行regasm.exe
时,键值都不同,那可以吗?
2) with regasm
将/regfile
与.reg
标志一起使用,然后将生成的HKEY_CLASSES_ROOT
文件替换为HKEY_CURRENT_USER/Software/Classes
所有var openKeyresult = RegOpenKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\Classes", 0, (int)RegistrySecurity.KEY_WOW64_64KEY, out key);
个出现
我认为这应该可行,但是当我不想卸载我的Outlook AddIn时如何取消注册这样的程序集?
因为我看到我无法以与注册相同的方式制作它,因为:
{{1}}
答案 0 :(得分:5)
为了它的价值,我编写了一套C#实用程序,用于在用户注册表中注册/取消注册.NET类型(当然应该标记为ComVisible),而不需要regasm ,也没有UAC提示,你可以像这样使用它:
// register into current user registry, needs no specific rights
ComUtilities.RegisterComObject(ComUtilities.Tarnet.User, typeof(MyClass));
// unregister from user registry, needs no specific rights
ComUtilities.UnregisterComObject(ComUtilities.Target.User, typeof(MyClass));
// register into machine registry (needs admin, UAC, etc.)
ComUtilities.RegisterComObject(ComUtilities.Target.Machine, typeof(MyClass));
// unregister from machine registry (needs admin, UAC, etc.)
ComUtilities.UnregisterComObject(ComUtilities.Target.Machine, typeof(MyClass));
public static class ComUtilities
{
private const string ClsidRegistryKey = @"Software\Classes\CLSID";
public enum Target
{
Machine, // registers or unregisters a .NET COM object in HKEY_LOCAL_MACHINE, for all users, needs proper rights
User // registers or unregisters a .NET COM object in HKEY_CURRENT_USER to avoid UAC prompts
}
public static void RegisterComObject(Target target, Type type)
{
RegisterComObject(target, type, null);
}
public static void RegisterComObject(Target target, Type type, string assemblyPath)
{
RegisterComObject(target, type, assemblyPath, null);
}
public static void RegisterComObject(Target target, Type type, string assemblyPath, string runtimeVersion)
{
if (type == null)
throw new ArgumentNullException(nameof(type));
if (type.Assembly == null)
throw new ArgumentException(null, nameof(type));
// note we don't check if the type is marked as ComVisible, maybe we should
if (assemblyPath == null)
{
assemblyPath = new Uri(type.Assembly.Location).LocalPath;
}
if (runtimeVersion == null)
{
runtimeVersion = GetRuntimeVersion(type.Assembly);
}
var root = target == Target.User ? Registry.CurrentUser : Registry.LocalMachine;
using (RegistryKey key = EnsureSubKey(root, Path.Combine(ClsidRegistryKey, type.GUID.ToString("B"), "InprocServer32")))
{
key.SetValue(null, "mscoree.dll");
key.SetValue("Assembly", type.Assembly.FullName);
key.SetValue("Class", type.FullName);
key.SetValue("ThreadingModel", "Both");
if (assemblyPath != null)
{
key.SetValue("CodeBase", assemblyPath);
}
key.SetValue("RuntimeVersion", runtimeVersion);
}
using (RegistryKey key = EnsureSubKey(root, Path.Combine(ClsidRegistryKey, type.GUID.ToString("B"))))
{
// cf http://stackoverflow.com/questions/2070999/is-the-implemented-categories-key-needed-when-registering-a-managed-com-compon
using (RegistryKey cats = EnsureSubKey(key, @"Implemented Categories\{62C8FE65-4EBB-45e7-B440-6E39B2CDBF29}"))
{
// do nothing special
}
var att = type.GetCustomAttribute<ProgIdAttribute>();
if (att != null && !string.IsNullOrEmpty(att.Value))
{
using (RegistryKey progid = EnsureSubKey(key, "ProgId"))
{
progid.SetValue(null, att.Value);
}
}
}
}
public static void UnregisterComObject(Target target, Type type)
{
if (type == null)
throw new ArgumentNullException(nameof(type));
var root = target == Target.User ? Registry.CurrentUser : Registry.LocalMachine;
using (RegistryKey key = root.OpenSubKey(ClsidRegistryKey, true))
{
if (key == null)
return;
key.DeleteSubKeyTree(type.GUID.ToString("B"), false);
}
}
// kind of hack to determine clr version of an assembly
private static string GetRuntimeVersion(Assembly asm)
{
string def = "v4.0.30319"; // use CLR4 as the default
try
{
var mscorlib = asm.GetReferencedAssemblies().FirstOrDefault(a => a.Name == "mscorlib");
if (mscorlib != null && mscorlib.Version.Major < 4)
return "v2.0.50727"; // use CLR2
}
catch
{
// too bad, assume CLR4
}
return def;
}
private static RegistryKey EnsureSubKey(RegistryKey root, string name)
{
RegistryKey key = root.OpenSubKey(name, true);
if (key != null)
return key;
string parentName = Path.GetDirectoryName(name);
if (string.IsNullOrEmpty(parentName))
return root.CreateSubKey(name);
using (RegistryKey parentKey = EnsureSubKey(root, parentName))
{
return parentKey.CreateSubKey(Path.GetFileName(name));
}
}
}
答案 1 :(得分:1)
通过手动将所需的注册表项添加到HKLM
来解决这个问题,事实证明它并不难,regasm.exe
或Registrar.RegisterAssembly
不做那么多(至少在我的用例中注册没有管理员权限的Outlook AddIn)