Send Whatsapp Message using WhastApp API 1.2.2 (Nuget) by Bondra

I already have small windows application (C#) to send message to any whatsapp number but my program can not send I use WhastApp API 1.2.2 (Downloaded from Nuget) I use Visual Studio 2013 (Budget: Rp100000 – Rp300000 IDR, Jobs: C# Programming, Windows Desktop)