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VirtualPathProvider::GetCacheDependency Method

Creates a cache dependency based on the specified virtual paths.

Namespace:  System.Web.Hosting
Assembly:  System.Web (in System.Web.dll)

virtual CacheDependency^ GetCacheDependency(
	String^ virtualPath, 
	IEnumerable^ virtualPathDependencies, 
	DateTime utcStart


Type: System::String
The path to the primary virtual resource.
Type: System.Collections::IEnumerable
An array of paths to other resources required by the primary virtual resource.
Type: System::DateTime
The UTC time at which the virtual resources were read.

Return Value

Type: System.Web.Caching::CacheDependency
A CacheDependency object for the specified virtual resources.

The default implementation of the GetCacheDependency method returns nullptr. 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.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.