5 references to CSharp4
Microsoft.CodeAnalysis.CSharp (5)
Errors\MessageID.cs (1)
702return LanguageVersion.CSharp4;
LanguageVersion.cs (4)
300case LanguageVersion.CSharp4: 331case LanguageVersion.CSharp4: 406case LanguageVersion.CSharp4: 495result = LanguageVersion.CSharp4;