Sun, August 22, 2004, 10:45 AM under 
Links
  
    When it comes to threading we can think of locking in terms of a "linear acquire-do-release approach" or a "callback-based approach". I will not attempt to summarise any further 
this cool entry by 
Ian Griffiths.
If you find VB's language/syntax evolution weird/funny then laugh at 
this from the 
3 Leaf guys.
Want to restrict a windows app to a single running instance? The traditional way is via a mutex and 
K. Scott Allen explains that very well 
here. As usual, its the gotchas that add the value...