First, create a new C# WPF application. Next, create a folder named Commands. The undo system will contain two essential components: the CommandStateManager and the IUndoCommand interface. The ...

Take advantage of the command design pattern to decouple the requester of an action from the object that executes the action Design patterns are proven solutions used to solve common design problems ...

If you are a system administrator, IT professional, or a power user it is common to find yourself using the command prompt to perform administrative tasks in Windows. Whether it be copying files, ...

If you’ve been developing software long enough, you might recall a time before object-oriented (OO) development went mainstream when software development proved much more difficult than it is today.