Disable C# 6.0 Support in ReSharper

问题

While using ReSharper, it suggested "Enable C# 6.0 support for this project". I foolishly clicked on it, and now as advertised it's giving me suggestions for C# 6.0 - which then give me errors as I am not using C# 6.0 in this project.

How can I disable C# 6.0 support, returning it to how it was before? (Preferably without having to individually ignore specific suggestions)

回答1:

Click the project node in the Solution Explorer. Then look in the Property Grid (F4). You'll see a property named "C# Language Level". Set that to "Default" or your desired language level.

回答2:

TO disable it at once across the solution rather than per project level, please add below in .sln.DotSettings

<s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">CSharp50</s:String>

it would disable resharper 6.0 features/give you error

EDIT

as per comments, in case you dont have the sln.DotSettings file at all, then you need to create one with below contents

<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"> 
    <s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">‌CSharp50</s:String>
</wpf:ResourceDictionary>

来源：https://stackoverflow.com/questions/27621458/disable-c-sharp-6-0-support-in-resharper

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resharper