IQueryable OfType where T is a runtime Type

Question

I need to be able to get something similar to the following to work:

Type type = ??? // something decided at runtime with .GetType or typeof;
object[] entity         


        

Answer 1

Based on @Jon Skeet's answer, here's a LINQ extension method:

public static class QueryableExtensions
{
    public static IQueryable OfType(this IQueryable queryable,
        Type runtimeType)
    {
        var method = typeof(Queryable).GetMethod(nameof(Queryable.OfType));
        var generic = method.MakeGenericMethod(new[] { runtimeType });
        return (IQueryable)generic.Invoke(null, new[] { queryable });
    }
}