Get OS Version from kernel32.dll : Windows API « Windows « C# / C Sharp

Home
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.Windows Presentation Foundation
25.XML
26.XML LINQ
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source
C# / C Sharp » Windows » Windows APIScreenshots 
Get OS Version from kernel32.dll
  

using System;
using System.Runtime.InteropServices;

public class Starter {
    public static void Main() {
        API.OSVERSIONINFO info = new API.OSVERSIONINFO();
        info.dwOSVersionInfoSize = Marshal.SizeOf(info);
        bool resp = API.GetVersionEx(ref info);
        if (resp == false) {
            Console.WriteLine("GetVersion failed");
        }
        Console.WriteLine("{0}.{1}.{2}",
            info.dwMajorVersion,
            info.dwMinorVersion,
            info.dwBuildNumber);
    }
}

public class API {

    [DllImport("kernel32.dll")]
    public static extern
        bool GetVersionEx(ref OSVERSIONINFO lpVersionInfo);

    [StructLayout(LayoutKind.Sequential)]
    public struct OSVERSIONINFO {
        public System.Int32 dwOSVersionInfoSize;
        public System.Int32 dwMajorVersion;
        public System.Int32 dwMinorVersion;
        public System.Int32 dwBuildNumber;
        public System.Int32 dwPlatformId;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
        public String szCSDVersion;

    }

}

   
  
Related examples in the same category
1.DLL: GetVersionEx
2.Keyboard timer: GetTickCountKeyboard timer: GetTickCount
3.BitBlt
4.Get the Total Free Space on a Drive by using kernel32.dll
5.imports three functions to display the vertical and horizontal size of the screen.
6.MessageBox from user32.dll
7.imports the printf function
8.import CreateDirectory and FormatMessage
9.marshals string for unmanaged memory as ANSI.
10.imports the GetModuleHandleW function specifically
11.Set mouse and keyboard hooks.
12.Sound Utils
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.