From the previous post I have describe how to get the country list from the system registry. Now I want to show You how to create a custom country ComboBox control in visual studio .NET.
first, lets create a new project, name it whatever You want. then add a user control class by right clicking on [...]

When You want to create a List object populated with country name, you didn’t have to create a separate list of file or database that contain that country list. Simply just use the the entry from windows registry to have it. I’ll show You how. Here is the code snippets :
CountryList.cs
using System;
using System.Data;
using System.Configuration;
using [...]