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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)

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

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::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: 4.6, 4.5, 4, 3.5, 3.0, 2.0
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