This code defines a thread safe singleton class structure. What is a singleton you ask? A singleton is a class that only ever has one instance and provides a global way of accessing it. This sample ensure only one instance of the classs in invoked even on multithreaded, multi-cpu systems.
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>public sealed class Singleton
{
// Private Fields
private static Singleton instance;
private static object synclock = new object();
// Empty Constructor, forces the usage of the static Method.
private Singleton() {}
// Method to create a new instance of singleton object.
public static Singleton Instance
{
get
{
if( instance == null )
{
// lock to make sure only one thread can access this code block
lock (syncRoot)
{
if( instance == null )
{
instance = new Singleton();
}
}
}
return instance;
}
}
}
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6/13/2004 10:53:58 PM:
none (If this comment was disrespectful, please report it.)
Can we not do better formatting this type of entry? Cannot even read it. Is this PSC or the submitter? What do submitters need to do? (If this comment was disrespectful, please report it.)
can u please give the source file with a good example (If this comment was disrespectful, please report it.)
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6/13/2004 10:53:58 PM: 
