This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Singleton is not an object but a Design Pattern. With this pattern, the constructor for a class is private and a special static method is provided to get an instance of the class. This method ensures that only one instance is created. A typical use would be to ensure that all access to a particular system resource goes through a single point.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com