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 ...

I'm working on what is basically a diagramming tool at work and needed to add undo/redo capability. What a pain. I ended up doing it the easy brute force way. I basically save off the whole project ...

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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Dany Lepage discusses the architectural ...