Using static properties as class wide data

fbis February 3, 2009 c#, Theory No Comments

This is one of those things that is so obvious I wonder why it never occured to me before! Â If you declare a member as static the compiler only creates one member instance across all class instances.

class ClassWideStatic
{
  protected static int NoOfInstances;
  public ClassWideStatic()
  {
    //setting NoOfInstances here will set it on ALL instances
    //effectively resetting it, but modifying it is fine
    NoOfInstances += 1;
  }
  static ClassWideStatic()
  {
    //This is a special constructor that is only called when
    //the first instance is created
    NoOfInstances = 1;
  }
}Â

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Using static properties as class wide data

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