C#

     private PuzzleArray level = new PuzleArray();
     ...
     ///<summary>
     /// Saves a game in progress to the location used by the FileDialog.
     /// </summary>
     private void SaveLevel ( PuzzleArray currentLevel, string path )
     {
           // create a stream and use Create (opens if file exists or not)
           using (FileStream stream = File.Create(path) )
           {
                // create the serializer
                BinarySerializer ser = new BinarySerializer(typeof(PuzzleArray));
                // save the file
                ser.Serializer(stream, level);
           }
     }

     /// <summary>
     /// This method is used for loading a new level or loading a saved level
     /// </summary>
     private void LoadLevel ( ref PuzzleArray currentLevel, string path )
     {
          using (FileStream stream = File.Open(path))
          {
               // create serializer
               BinarySerializer ser = new BinarySerializer(typeof(PuzzleArray));
               // load the file
               currentLevel = (PuzzleArray) ser.Deserialize( stream );
          }
     }
....
/// <summary>
/// VS2005 definition
/// </summary>
[Serializable]
public class PuzzleArray : List<Puzzle>{}
[Serializable]
public class Puzzle
{
     Point playerPosition;
     public Point PlayerPostition{get; set;}
     Point enemyPosition;
     public Point EnemyPosition{get; set; }
     Point[] walls
     public Point[] Walls{get; set;}
     // An element that will not be serialized because of no public accessor.
     private Point lastMove = new Point();
}

Graham Dean wrote:

have a class in assembly 'myprog.exe' that has Constants for two strings representing the Version

Graham Dean wrote:

I can load the current installed assembly 'myprog.exe' via the Registry, but don't understand how to pick up the two constants.

Graham Dean wrote:

although programming since 1965!

Graham Dean wrote:

Error 1 Static member 'MRTT.TProgInfo.MRTTVER' cannot be accessed with an instance reference; qualify it with a type name instead

using System.Reflection;

private void MyMethod()
{
Assembly MyAssembly = Assembly.LoadFile("MyFilePath.exe");
Type MyType = MyAssembly.GetType("MyClassName");
FieldInfo fi = T.GetField("ConstantA");
int Val = (int)fi.GetRawConstantValue();//We get the value by the type name
if(Val == MyValue)
{
//Do anything
}
}