Introduction to the MVVM Foundation framework

MVVMFoundation framework is an open source MVVM framework used to help developers implement MVVM pattern applications. Main features and functions: 1. Provides the ViewModelBase base class, which is used to inherit all ViewModel classes and is used to implement command binding; 2. Provides the RelayCommand class; 3. Provides the Messenger class to implement the message passing mechanism; 4. Support data binding; 5. Support dependency injection; 6. Improve application testability.

MVVMFoundation is an open source MVVM framework used to help developers implement MVVM pattern applications. It provides a series of infrastructure and tools to simplify the implementation process of MVVM pattern and improve the testability, scalability and maintainability of applications.

The following are some of the main features and functions of the MVVM Foundation framework:

1. ViewModelBase class: The MVVM Foundation framework provides a ViewModelBase base class that inherits all ViewModel classes. This base class implements the INotifyPropertyChanged interface, which simplifies the implementation process of property notification.

2. RelayCommand class: The MVVM Foundation framework provides a RelayCommand class for command binding. Developers can use this class to define and execute commands without manually implementing the ICommand interface.

3. Messenger class: The MVVM Foundation framework provides a Messenger class to implement the message delivery mechanism. Developers can use this class to send and receive messages, enabling loosely coupled communication between modules.

4. Data binding: The MVVM Foundation framework supports data binding, and developers can use standard WPF data binding syntax to bind properties and commands between views and view models.

5. Dependency injection: The MVVM Foundation framework supports dependency injection. Developers can use third-party dependency injection containers, such as Unity, Autofac, etc., to manage dependencies between view models.

6. Testability: One of the design goals of the MVVM Foundation framework is to improve the testability of applications. By using the ViewModelBase base class and the RelayCommand class, developers can more easily write testable unit tests.

In short, the MVVM Foundation framework is a simple and powerful MVVM framework that provides a series of infrastructure and tools to help developers implement the MVVM pattern more easily. It is an open source framework that is free to use and modify.

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