ClearScript/ClearScript/Util/ObjectHelpers.Common.cs at master · bobgmail/ClearScript · GitHub

43 lines (39 loc) · 1.63 KB

// Licensed under the MIT license.

using System;

using System.Globalization;

using Microsoft.Win32;

namespace Microsoft.ClearScript.Util

{

internal static partial class ObjectHelpers

{

private static bool GetPrimaryInteropAssembly(Guid libid, int major, int minor, out string name, out string codeBase)

{

name = null;

codeBase = null;

using (var containerKey = Registry.ClassesRoot.OpenSubKey("TypeLib", false))

{

if (containerKey != null)

{

var typeLibName = "{" + libid.ToString().ToUpper(CultureInfo.InvariantCulture) + "}";

using (var typeLibKey = containerKey.OpenSubKey(typeLibName))

{

if (typeLibKey != null)

{

var versionName = major.ToString("x", CultureInfo.InvariantCulture) + "." + minor.ToString("x", CultureInfo.InvariantCulture);

using (var versionKey = typeLibKey.OpenSubKey(versionName, false))

{

if (versionKey != null)

{

name = (string)versionKey.GetValue("PrimaryInteropAssemblyName");

codeBase = (string)versionKey.GetValue("PrimaryInteropAssemblyCodeBase");

}

return name != null;

}

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