public static IEnumerable <T> GetCompatibleItems <T>(this IProjectSystem project, IEnumerable <T> items, string itemType) where T : IFrameworkTargetable
{
// A package might have references that target a specific version of the framework (.net/silverlight etc)
// so we try to get the highest version that satifies the target framework i.e.
// if a package has 1.0, 2.0, 4.0 and the target framework is 3.5 we'd pick the 2.0 references.
IEnumerable <T> compatibleItems;
if (!project.TryGetCompatibleItems(items, out compatibleItems))
{
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
NuGetResources.UnableToFindCompatibleItems, itemType, project.TargetFramework));
}
return(compatibleItems);
}