[DataMemberAttribute]
[NotNullAttribute]
public int Level { get; set; }<DataMemberAttribute>
<NotNullAttribute>
Public Property Level As Integer
Get
Setpublic:
[DataMemberAttribute]
[NotNullAttribute]
property int Level {
int get ();
void set (int value);
}[<DataMemberAttribute>]
[<NotNullAttribute>]
member Level : int with get, set