public class WpfControlFactory
{
    public static TControl CreateWpfControl<TControl>(string name = null) where TControl : class, IWpfControl
    {
        TControl wpfControl = default(TControl);

        //Avoid some bone-headed exceptions
        if (!typeof(TControl).IsAbstract)
        {
            wpfControl = Activator.CreateInstance<TControl>();
        }

        if (wpfControl != null)
        {
            wpfControl.Name = name ?? Consts.DefaultEaControlName;
        }

        return wpfControl;
    }
}

public static IWpfControl CreateWpfControl(string controlType, string controlName)
    {
        Type type = FindType(controlType);
        if (type == null)
        {
            return null;
        }

        MethodInfo method = typeof(WpfControlFactory).GetMethod("CreateInstance");
        MethodInfo generic = method.MakeGenericMethod(type);
        return (IWpfControl)generic.Invoke(null, null);
    }

    private static Type FindType(string typeName)
    {
        Type type = null;
        WpfControl wpfControl;
        Enum.TryParse(typeName, out wpfControl);
        if (wpfControl != default(WpfControl))
        {
            type = Type.GetType(typeName);
        }

        return type;
    }

    private static TControl CreateInstance<TControl>(string name = null) where TControl : class, IWpfControl
    {
        TControl wpfControl = default(TControl);

        //Avoid some bone-headed exceptions
        if (!typeof(TControl).IsAbstract)
        {
            wpfControl = Activator.CreateInstance<TControl>();
        }

        if (wpfControl != null)
        {
            wpfControl.Name = name ?? Consts.DefaultEaControlName;
        }

        return wpfControl;
    }