SamKr

if (!string.IsNullOrEmpty(multiLineString))
{
    using (var reader = new StringReader(multiLineString))
    {
        string line;
        while ((line = reader.ReadLine()) != null)
        {
            Console.WriteLine(line);
        }
    }

SamKr

internal static string UppercaseWords(string value)
{
    if (string.IsNullOrEmpty(value)) return value;
    value = value.ToLower();

    var array = value.ToCharArray();
    if (array.Length >= 1)
    {
        if (char.IsLower(array[0]))
        {

SamKr

internal class HdLogo
{
    private static string _hdLogo = "";

    internal static string GetLogo()
    {
        if (string.IsNullOrEmpty(_hdLogo)) Initialise();

        return _hdLogo;
    }

SamKr

if (object.InvokeRequired) return (bool)object.Invoke(new Func<bool>(() => FunctionName(optionalParameter)));

SamKr

[DllImport("advapi32.dll", SetLastError = true)]
private static extern bool OpenProcessToken(IntPtr ProcessHandle, uint DesiredAccess, out IntPtr TokenHandle);
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool CloseHandle(IntPtr hObject);

internal static string GetProcessUser(Process process, bool includeDomain = false)
{
    var processHandle = IntPtr.Zero;
    try

SamKr

using System.Diagnostics;

var counters = new List<PerformanceCounter>();

using (var proc = Process.GetCurrentProcess())
{
  var processorTimeCounter = new PerformanceCounter("Process", "% Processor Time", proc.ProcessName);
  processorTimeCounter.NextValue();
  counters.Add(processorTimeCounter);

SamKr

const string userRoot = "HKEY_CURRENT_USER";
const string subkey = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\RunOnce";
const string keyName = userRoot + "\\" + subkey;

var location = new Uri(Assembly.GetEntryAssembly().GetName().CodeBase);
var fileInfo = new FileInfo(location.AbsolutePath);
var fileLoc = fileInfo.FullName;
var fileDesc = Path.GetFileNameWithoutExtension(fileInfo.Name);

Registry.SetValue(keyName, fileDesc, fileLoc, RegistryValueKind.String);

SamKr

using (var s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp))
{
    s.Bind(new IPEndPoint(IPAddress.Any, 0));
    s.Connect("google.com", 0);

    var ipaddr = s.LocalEndPoint as IPEndPoint;
    var addr = ipaddr?.Address?.ToString() ?? "";

    Console.WriteLine(addr);
}

SamKr

internal static bool CheckForInternetConnection()
{
    try
    {
        using (var client = new WebClient())
        using (client.OpenRead("http://google.com/generate_204"))
        {
            return true;
        }
    }

SamKr

using System.DirectoryServices.AccountManagement;

using (var pc = new PrincipalContext(ContextType.Machine))
{
    var up = UserPrincipal.FindByIdentity(pc, IdentityType.SamAccountName, "gebruiker2");
    var userExists = (up != null);

    if (userExists) Console.WriteLine("user exists");
    else Console.WriteLine("user not found");
}