C#

//get the version from the assemblyinfo.cs
// Version information for an assembly consists of the following four values:
            //
            //      Major Version
            //      Minor Version 
            //      Build Number
            //      Revision
            //
            Version v = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
           //add to label
 lblVersion.Text = v.ToString();

bool ValidateColor(string s)
{
   if(s.Length != 6)//wrong length
     return false;
   for(int i = 0; i < 6; i++)
   {
     int c = (int)s[i];
     if(!(c > 47 && c < 58) || !(c > 64 && c < 71))
       return false;
   }
   return true;
}

public static bool ValidateColor(string s, out int value) {
    return s!=null && s.Length==6 && int.TryParse(s, out value, NumberStyles.HexNumber);
}

Convert.ToDouble("34.13", CultureInfo.InvariantCulture);

I are Troll

public string Receive(int id)
        {
            StreamReader reader = new StreamReader(connections_[id].GetStream());            

            string result = reader.ReadLine();

            return ProcessQuery(result);
        }

RecieveThread(){
   BinaryReader br = new BinaryReader(stream);
   while(go){
      int messageId = br .ReadInt32();
      sring message = br .ReadString();
   }
}