BrowsableAttribute.No Field
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Specifies that a property or event cannot be modified at design time. This static field is read-only.
Assembly: System (in System.dll)
When you mark a property with the BrowsableAttribute constructor of the value false, this attribute is set to the constant member No. Therefore, when you check whether the attribute is set to this value in your code, you must specify the attribute as BrowsableAttribute.No.