public static string SuggestedLanguageVersion(this FileInfo project)
{
if (project == null)
{
throw new ArgumentNullException(nameof(project));
}
if (!project.Exists)
{
throw new FileNotFoundException();
}
return(CSharpLanguageSelector.GetCSharpLanguageVersion(project.GetTargetFramework()));
}
public static void TrySetLanguageVersion(this FileInfo project, string version)
{
if (project == null)
{
throw new ArgumentNullException(nameof(project));
}
if (!project.Exists)
{
throw new FileNotFoundException();
}
var supported = CSharpLanguageSelector.GetCSharpLanguageVersion(project.GetTargetFramework());
var canSet = StringComparer.OrdinalIgnoreCase.Equals(supported, version);
if (canSet)
{
project.SetLanguageVersion(version);
}
}
