How is MemoryCache used in C#?

8 months ago

Sophia Anderson

2 minutes

In C#, the MemoryCache class is a mechanism in the .NET Framework for caching data in memory, storing objects in memory and managing their lifecycles based on certain policies. It offers a simple and flexible way to cache data to reduce frequent access to data and improve the performance of an application.

The main usages of the MemoryCache class include:

To add and retrieve cached data, you can use methods like Add, Get, and Set to store and access data in MemoryCache.
Control how long a cache item remains in MemoryCache by setting its expiration time.
Set the priority of cache items: You can control the management strategy of the cache items in MemoryCache by setting their priority.
Set a callback function for cached items: You can set a callback function for cached items to perform specific operations when the cached item expires.
Listen to changes in cached items: Register events to listen to changes in cached items, so that appropriate processing logic can be executed when cached items change.

In general, the MemoryCache class provides a convenient and efficient data caching mechanism that can help developers improve the performance and responsiveness of their applications.