1. Can you explain the MVVM design pattern and its importance in WPF development? 2. How do you handle data binding in WPF applications? 3. What are triggers in WPF and how do they work? 4. Describe the difference between UserControls and CustomControls in WPF. 5. How do you optimize performance in a WPF application? 6. Have you worked with asynchronous programming in WPF? If so, explain how you implemented it. 7. What are the key differences between WPF and WinForms? 8. How do you style and template controls in WPF? 9. Can you explain the concept of routed events in WPF? 10. How do you use resources and styles in WPF to maintain consistency across an application? 11. Have you worked with animations in WPF? If yes, can you provide an example of an animation you implemented? 12. How do you handle dependency properties in WPF? 13. What is the role of ICommand in WPF applications? 14. Have you used data templates in WPF? If so, explain a scenario where you found them useful. 15. How do you handle localization and globalization in WPF applications? 1. Can you explain the concept of data binding in WPF and provide examples of how you have utilized it in your projects? 2. How do you approach optimizing the performance of a WPF application, especially when dealing with complex visuals and animations? 3. Describe your experience with styling and templating in WPF, including custom control templates and resource dictionaries. 4. Have you worked with MVVM (Model-View-ViewModel) architecture in WPF projects? If so, how do you ensure proper separation of concerns and maintainability? 5. How would you implement asynchronous programming in a WPF application to handle long-running tasks without blocking the UI thread? 6. Can you explain the role of dependency properties in WPF and provide an example of when you have created or used them? 7. How have you handled localization and globalization in WPF applications to support multiple languages and cultures? 8. Describe a challenging data validation scenario you encountered in a WPF project and how you resolved it using validation rules or custom validation logic. 9. What techniques do you use to create responsive and adaptive user interfaces in WPF applications, especially when targeting different screen sizes and resolutions? 10. How do you handle application state management in WPF, such as saving and restoring user preferences or session data? 11. Describe a scenario where you had to integrate WPF with other technologies or frameworks, such as integrating with a backend API or using third-party libraries. 12. How do you approach unit testing WPF applications, especially when dealing with UI components and interactions? 13. Can you discuss your experience with creating custom controls or extending existing controls in WPF to meet specific design requirements or functionality? 14. How do you ensure accessibility and compliance with accessibility standards in WPF applications, especially when designing for users with disabilities? 15. Describe a situation where you had to troubleshoot and debug a challenging issue in a WPF application, including the tools and techniques you used to identify and resolve the problem.