public static bool HasLanguageVersion(this PropertyGroupXElement propertyGroupXElement, out Version languageVersion)
{
var hasLanguageVersion = propertyGroupXElement.HasChild(ProjectFileXmlElementName.LanguageVersion, out var childXElement);
if (hasLanguageVersion)
{
var languageVersionString = childXElement.Value;
languageVersion = ProjectFileValues.ParseVersion(languageVersionString);
}
else
{
languageVersion = VersionHelper.None;
}
return(hasLanguageVersion);
}
private Task LanguageVersionElementHandler(XElement xLanguageVersion, ProjectFile projectFile, IMessageSink messageSink)
{
projectFile.LanguageVersion = ProjectFileValues.ParseVersion(xLanguageVersion.Value);
return(Task.CompletedTask);
}