internal static Win32Exception CreateSafeWin32Exception()
{
return(SharedUtils.CreateSafeWin32Exception(0));
}
internal static string GetLatestBuildDllDirectory(string machineName)
{
string result = "";
RegistryKey registryKey = null;
RegistryKey registryKey2 = null;
RegistryPermission registryPermission = new RegistryPermission(PermissionState.Unrestricted);
registryPermission.Assert();
try
{
if (machineName.Equals("."))
{
return(SharedUtils.GetLocalBuildDirectory());
}
registryKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, machineName);
if (registryKey == null)
{
throw new InvalidOperationException("RegKeyMissingShort");
}
registryKey2 = registryKey.OpenSubKey("SOFTWARE\\Microsoft\\.NETFramework");
if (registryKey2 != null)
{
string text = (string)registryKey2.GetValue("InstallRoot");
if (text != null && text != string.Empty)
{
string text2 = string.Concat(new object[]
{
"v",
Environment.Version.Major,
".",
Environment.Version.Minor
});
RegistryKey registryKey3 = registryKey2.OpenSubKey("policy");
string text3 = null;
if (registryKey3 != null)
{
try
{
RegistryKey registryKey4 = registryKey3.OpenSubKey(text2);
if (registryKey4 != null)
{
try
{
text3 = text2 + "." + SharedUtils.GetLargestBuildNumberFromKey(registryKey4);
goto IL_29A;
}
finally
{
registryKey4.Close();
}
}
string[] subKeyNames = registryKey3.GetSubKeyNames();
int[] array = new int[]
{
-1,
-1,
-1
};
for (int i = 0; i < subKeyNames.Length; i++)
{
string text4 = subKeyNames[i];
if (text4.Length > 1 && text4[0] == 'v' && text4.Contains("."))
{
int[] array2 = new int[]
{
-1,
-1,
-1
};
string[] array3 = text4.Substring(1).Split(new char[]
{
'.'
});
if (array3.Length == 2 && int.TryParse(array3[0], out array2[0]) && int.TryParse(array3[1], out array2[1]))
{
RegistryKey registryKey5 = registryKey3.OpenSubKey(text4);
if (registryKey5 != null)
{
try
{
array2[2] = SharedUtils.GetLargestBuildNumberFromKey(registryKey5);
if (array2[0] > array[0] || (array2[0] == array[0] && array2[1] > array[1]))
{
array = array2;
}
}
finally
{
registryKey5.Close();
}
}
}
}
}
text3 = string.Concat(new object[]
{
"v",
array[0],
".",
array[1],
".",
array[2]
});
IL_29A :;
}
finally
{
registryKey3.Close();
}
if (text3 != null && text3 != string.Empty)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append(text);
if (!text.EndsWith("\\", StringComparison.Ordinal))
{
stringBuilder.Append("\\");
}
stringBuilder.Append(text3);
result = stringBuilder.ToString();
}
}
}
}
}
catch
{
}
finally
{
if (registryKey2 != null)
{
registryKey2.Close();
}
if (registryKey != null)
{
registryKey.Close();
}
CodeAccessPermission.RevertAssert();
}
return(result);
}