Class MemoryCache

A generic map cache storage.

Inheritance
System.Object
MemoryCache
FileCacheBase
Namespace: Telerik.Windows.Controls.Map
Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public class MemoryCache : DependencyObject, ICacheStorage

Constructors

MemoryCache()

Initializes a new instance of the MemoryCache class.

Declaration
public MemoryCache()

Fields

MemoryMaxSizeProperty

Identifies the MemoryMaxSize dependency property.

Declaration
public static readonly DependencyProperty MemoryMaxSizeProperty
Field Value
System.Windows.DependencyProperty

Properties

MemoryMaxSize

Gets or sets the maximal memory cache size for a storage. This is a dependency property.

Declaration
public long MemoryMaxSize { get; set; }
Property Value
System.Int64

Methods

AddToCacheRecords(MemoryCache.CacheRecord)

Adds cache record to the memory cache container.

Declaration
protected void AddToCacheRecords(MemoryCache.CacheRecord cacheRecord)
Parameters
MemoryCache.CacheRecord cacheRecord

Cache record instance.

GetCacheRecord(String)

Gets the CacheRecord.

Declaration
protected MemoryCache.CacheRecord GetCacheRecord(string fileName)
Parameters
System.String fileName

File name.
Returns
MemoryCache.CacheRecord

CacheRecord.

GetTile(String)

Reads tile.

Declaration
protected byte[] GetTile(string fileName)
Parameters
System.String fileName

File name.
Returns
System.Byte[]

Byte array of tile image.

Load(String)

Loads the file from the memory cache.

Declaration
public virtual Stream Load(string fileName)
Parameters
System.String fileName

File name.
Returns
System.IO.Stream

Stream if the file exists and does not expired or null.
Implements

LoadAsync(String, Action<Byte[]>)

Loaded file from a cache.

Declaration
public virtual void LoadAsync(string fileName, Action<byte[]> callback)
Parameters
System.String fileName

File name.
System.Action<System.Byte[]> callback

TileAvailable event arguments.
Implements

Save(String, DateTime, Byte[])

Saves the file to the memory.

Declaration
public virtual void Save(string fileName, DateTime expirationDate, byte[] tile)
Parameters
System.String fileName

File name.
System.DateTime expirationDate

Expiration date.
System.Byte[] tile

Byte array which is saved to the file.
Implements

Extension Methods