public static string GetUserStringAttribute(this NXObject nxObject, string title) =>
 nxObject.GetUserAttribute(title, NXObject.AttributeType.Any, -1).StringValue;
 public static int GetUserIntegerAttribute(this NXObject nxObject, string title) =>
 nxObject.GetUserAttribute(title, NXObject.AttributeType.Integer, -1).IntegerValue;
 public static bool GetUserBooleanAttribute(this NXObject nxObject, string title) =>
 nxObject.GetUserAttribute(title, NXObject.AttributeType.Boolean, -1).BooleanValue;