Get Registry value : Registry « Development Class « C# / C Sharp

C# / C Sharp
1. 2D Graphics
2. Class Interface
3. Collections Data Structure
4. Components
5. Data Types
6. Database ADO.net
7. Design Patterns
8. Development Class
9. Event
10. File Stream
11. Generics
12. GUI Windows Form
13. Language Basics
14. LINQ
15. Network
16. Office
17. Reflection
18. Regular Expressions
19. Security
20. Services Event
21. Thread
22. Web Services
23. Windows
24. XML
25. XML LINQ
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
C# / CSharp Tutorial
ASP.Net
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
PHP
Python
SQL Server / T-SQL
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
C# / C Sharp » Development Class » RegistryScreenshots 
Get Registry value
Get Registry value

/*
C# Network Programming 
by Richard Blum

Publisher: Sybex 
ISBN: 0782141765
*/

using System;
using Microsoft.Win32;

public class CardGrab
{
    public static void Main()
    {
    RegistryKey start = Registry.LocalMachine;
    RegistryKey cardServiceName, networkKey;
    string networkcardKey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkCards";
    string serviceKey = "SYSTEM\\CurrentControlSet\\Services\\";
    string networkcardKeyName, deviceName, deviceServiceName, serviceName;

    RegistryKey serviceNames = start.OpenSubKey(networkcardKey);
    if (serviceNames == null)
    {
        Console.WriteLine("Bad registry key");
        return;
    }

    string[] networkCards = serviceNames.GetSubKeyNames();
    serviceNames.Close();

    foreach(string keyName in networkCards)
    {
        networkcardKeyName = networkcardKey + "\\" + keyName;
        cardServiceName = start.OpenSubKey(networkcardKeyName);
        if (cardServiceName == null)
        {
        Console.WriteLine("Bad registry key: {0}", networkcardKeyName);
        return;
        }
        deviceServiceName = (string)cardServiceName.GetValue("ServiceName");
        deviceName = (string)cardServiceName.GetValue("Description");
        Console.WriteLine("\nNetwork card: {0}", deviceName);
        
        serviceName = serviceKey + deviceServiceName +
             "\\Parameters\\Tcpip";
        networkKey = start.OpenSubKey(serviceName);
        if (networkKey == null)
        {
        Console.WriteLine("    No IP configuration set");
        else
        {
        string[] ipaddresses = (string[])networkKey.GetValue("IPAddress");
        string[] defaultGateways = (string[])networkKey.GetValue("DefaultGateway");
        string[] subnetmasks = (string[])networkKey.GetValue("SubnetMask");

        foreach(string ipaddress in ipaddresses)
        {
            Console.WriteLine("    IP Address: {0}", ipaddress);
        }
        foreach(string subnetmask in subnetmasks)
        {
            Console.WriteLine("    Subnet Mask: {0}", subnetmask);
        }
        foreach(string defaultGateway in defaultGateways)
        {
            Console.WriteLine("    Gateway: {0}", defaultGateway);
        }
        networkKey.Close();
        }
    }

    start.Close();
    }
}
           
       
Related examples in the same category
1. Registry.LocalMachine
2. Write a Text and DWord Value to the Registry
3. Enumerating Registry Keys
4. Retrieve the CPU Type and Speed from the Registry
5. Use GetValue and SetValue to get and save value to Registry
6. Get the Registry key found for CurrentUser
7.  Accessing the Registry
8. Open a SubKey in Registry
w__ww__._ja__v_a__2_s.co__m__ | Contact Us
Copyright 2003 - 08 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.