HttpCachePolicyBase.AddValidationCallback Method      
Definition
Important
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When overridden in a derived class, registers a validation callback for the current response.
public:
 virtual void AddValidationCallback(System::Web::HttpCacheValidateHandler ^ handler, System::Object ^ data);
	public virtual void AddValidationCallback(System.Web.HttpCacheValidateHandler handler, object data);
	abstract member AddValidationCallback : System.Web.HttpCacheValidateHandler * obj -> unit
override this.AddValidationCallback : System.Web.HttpCacheValidateHandler * obj -> unit
	Public Overridable Sub AddValidationCallback (handler As HttpCacheValidateHandler, data As Object)
	Parameters
- handler
 - HttpCacheValidateHandler
 
The object that will handle the request.
- data
 - Object
 
The user-supplied data that is passed to the AddValidationCallback(HttpCacheValidateHandler, Object) delegate.
Exceptions
Always.