c# - how to create binding for an extern declaration -

i'm trying create binding ios library.

when creating native app library, requires include .h header file declares global applicationkey variable this:

extern const unsigned char applicationkey[]; 

and supposed implement

const unsigned char applicationkey[] = {0x11, ... }; 

now, when creating xamarin binding library, header file mapped objective sharpie to

partial interface constants {     // extern const unsigned char [] applicationkey;     [field ("applicationkey")]     byte[] applicationkey { get; } } 

how change able set applicationkey c# code?

your apidefination.cs file should

[basetype (typeof(nsobject))]     public partial interface constants     {         [export ("applicationkey")]         typeofproperyinnativecode applicationkey { get; set; }     } 

in order access property create instance of constant class of binding project , access

binding.constant cons= new binding.constant(); cons.applicationkey  =value; 

for better understanding can follow link http://developer.xamarin.com/guides/ios/advanced_topics/binding_objective-c/walkthrough_binding_objective-c_library/