47 lines
2.3 KiB
C#
47 lines
2.3 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="BinaryCompatibility.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Util {
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using System;
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using System.Runtime.Versioning;
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// This class contains utility methods that mimic the mscorlib internal System.Runtime.Versioning.BinaryCompatibility type.
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internal sealed class BinaryCompatibility {
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// We need to use this AppDomain key instead of AppDomainSetup.TargetFrameworkName since we don't want applications
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// which happened to set TargetFrameworkName and are calling into ASP.NET APIs to suddenly start getting new behaviors.
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internal const string TargetFrameworkKey = "ASPNET_TARGETFRAMEWORK";
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// quick accessor for the current AppDomain's instance
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public static readonly BinaryCompatibility Current = new BinaryCompatibility(AppDomain.CurrentDomain.GetData(TargetFrameworkKey) as FrameworkName);
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public BinaryCompatibility(FrameworkName frameworkName) {
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// parse version from FrameworkName, otherwise use a default value
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Version version = VersionUtil.FrameworkDefault;
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if (frameworkName != null && frameworkName.Identifier == ".NETFramework") {
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version = frameworkName.Version;
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}
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TargetFramework = version;
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TargetsAtLeastFramework45 = (version >= VersionUtil.Framework45);
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TargetsAtLeastFramework451 = (version >= VersionUtil.Framework451);
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TargetsAtLeastFramework452 = (version >= VersionUtil.Framework452);
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TargetsAtLeastFramework46 = (version >= VersionUtil.Framework46);
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TargetsAtLeastFramework461 = (version >= VersionUtil.Framework461);
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}
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public bool TargetsAtLeastFramework45 { get; private set; }
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public bool TargetsAtLeastFramework451 { get; private set; }
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public bool TargetsAtLeastFramework452 { get; private set; }
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public bool TargetsAtLeastFramework46 { get; private set; }
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public bool TargetsAtLeastFramework461 { get; private set; }
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public Version TargetFramework { get; private set; }
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}
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}
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