VirtualPathProvider.GetCacheDependency Method (String, IEnumerable, DateTime)
.NET Framework (current version)
Creates a cache dependency based on the specified virtual paths.
Assembly: System.Web (in System.Web.dll)
abstract GetCacheDependency : virtualPath:string * virtualPathDependencies:IEnumerable * utcStart:DateTime -> CacheDependency override GetCacheDependency : virtualPath:string * virtualPathDependencies:IEnumerable * utcStart:DateTime -> CacheDependency
Parameters
- virtualPath
-
Type:
System.String
The path to the primary virtual resource.
- virtualPathDependencies
-
Type:
System.Collections.IEnumerable
An array of paths to other resources required by the primary virtual resource.
- utcStart
-
Type:
System.DateTime
The UTC time at which the virtual resources were read.
Return Value
Type: System.Web.Caching.CacheDependencyA CacheDependency object for the specified virtual resources.
The default implementation of the GetCacheDependency method returns null. To cache virtual resources for later use you must override either the GetCacheDependency method or the GetFileHash method.
The following code example implements the GetCacheDependency method for a custom VirtualPathProvider class. For the full code required to run the example, see the Example section of the VirtualPathProvider class overview topic.
.NET Framework
Available since 2.0
Available since 2.0
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