public static Type ResolveClsidToType(Guid clsid)
{
string name = @"software\classes\clsid\{" + clsid.ToString() + @"}\InprocServer32";
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(name, false))
{
if (key != null)
{
using (RegistryKey key2 = key.OpenSubKey(typeof(TypeCacheManager).Assembly.ImageRuntimeVersion))
{
string str2 = null;
if (key2 == null)
{
name = null;
foreach (string str3 in key.GetSubKeyNames())
{
name = str3;
if (!string.IsNullOrEmpty(name))
{
using (RegistryKey key3 = key.OpenSubKey(name))
{
str2 = (string)key3.GetValue("Assembly");
if (!string.IsNullOrEmpty(str2))
{
break;
}
}
}
}
}
else
{
str2 = (string)key2.GetValue("Assembly");
}
if (!string.IsNullOrEmpty(str2))
{
foreach (Type type in Assembly.Load(str2).GetTypes())
{
if (type.IsClass && (type.GUID == clsid))
{
return(type);
}
}
}
return(null);
}
}
}
using (RegistryHandle handle = RegistryHandle.GetBitnessHKCR(IntPtr.Size != 8))
{
if (handle != null)
{
using (RegistryHandle handle2 = handle.OpenSubKey(@"CLSID\{" + clsid.ToString() + @"}\InprocServer32"))
{
using (RegistryHandle handle3 = handle2.OpenSubKey(typeof(TypeCacheManager).Assembly.ImageRuntimeVersion))
{
string stringValue = null;
if (handle3 == null)
{
name = null;
foreach (string str in handle2.GetSubKeyNames())
{
if (!string.IsNullOrEmpty(str))
{
using (RegistryHandle handle4 = handle2.OpenSubKey(str))
{
stringValue = handle4.GetStringValue("Assembly");
if (!string.IsNullOrEmpty(stringValue))
{
break;
}
}
}
}
}
else
{
stringValue = handle3.GetStringValue("Assembly");
}
if (!string.IsNullOrEmpty(stringValue))
{
foreach (Type type2 in Assembly.Load(stringValue).GetTypes())
{
if (type2.IsClass && (type2.GUID == clsid))
{
return(type2);
}
}
}
return(null);
}
}
}
}
return(null);
}
public static Type ResolveClsidToType(Guid clsid)
{
string keyName = String.Concat("software\\classes\\clsid\\{", clsid.ToString(), "}\\InprocServer32");
using (RegistryKey clsidKey = Registry.LocalMachine.OpenSubKey(keyName, false))
{
if (clsidKey != null)
{
using (RegistryKey assemblyKey = clsidKey.OpenSubKey(typeof(TypeCacheManager).Assembly.ImageRuntimeVersion))
{
string assemblyName = null;
if (assemblyKey == null)
{
keyName = null;
foreach (string subKeyName in clsidKey.GetSubKeyNames())
{
keyName = subKeyName;
if (String.IsNullOrEmpty(keyName))
{
continue;
}
using (RegistryKey assemblyKeyAny = clsidKey.OpenSubKey(keyName))
{
assemblyName = (string)assemblyKeyAny.GetValue("Assembly");
if (String.IsNullOrEmpty(assemblyName))
{
continue;
}
else
{
break;
}
}
}
}
else
{
assemblyName = (string)assemblyKey.GetValue("Assembly");
}
if (String.IsNullOrEmpty(assemblyName))
{
return(null);
}
Assembly asm = Assembly.Load(assemblyName);
foreach (Type type in asm.GetTypes())
{
if (type.IsClass && (type.GUID == clsid))
{
return(type);
}
}
return(null);
}
}
}
// We failed to get the hive information from a native process hive lets go for the alternative bitness
using (RegistryHandle hkcr = RegistryHandle.GetBitnessHKCR(IntPtr.Size == 8 ? false : true))
{
if (hkcr != null)
{
using (RegistryHandle clsidKey = hkcr.OpenSubKey(String.Concat("CLSID\\{", clsid.ToString(), "}\\InprocServer32")))
{
using (RegistryHandle assemblyKey = clsidKey.OpenSubKey(typeof(TypeCacheManager).Assembly.ImageRuntimeVersion))
{
string assemblyName = null;
if (assemblyKey == null)
{
keyName = null;
foreach (string subKeyName in clsidKey.GetSubKeyNames())
{
keyName = subKeyName;
if (String.IsNullOrEmpty(keyName))
{
continue;
}
using (RegistryHandle assemblyKeyAny = clsidKey.OpenSubKey(keyName))
{
assemblyName = (string)assemblyKeyAny.GetStringValue("Assembly");
if (String.IsNullOrEmpty(assemblyName))
{
continue;
}
else
{
break;
}
}
}
}
else
{
assemblyName = assemblyKey.GetStringValue("Assembly");
}
if (String.IsNullOrEmpty(assemblyName))
{
return(null);
}
Assembly asm = Assembly.Load(assemblyName);
foreach (Type type in asm.GetTypes())
{
if (type.IsClass && (type.GUID == clsid))
{
return(type);
}
}
return(null);
}
}
}
}
return(null);
}
