Creates a new instance of the Cache class.
context
A System.String which identifies the cache context, each user using the cache should have its own context.
itemExpireDuration
A System.TimeSpan value which specify how long an item remains in the cache.
bytesLimit
The cache maximum size in bytes.
provider
An object which implements the Leadtools.Medical.Caching.Storage.IStorageProvider to store and retrieve cache items.