Route::ProcessConstraint Method (HttpContextBase^, Object^, String^, RouteValueDictionary^, RouteDirection)

.NET Framework (current version)

Determines whether a parameter value matches the constraint for that parameter.

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

Syntax

protected:
virtual bool ProcessConstraint(
	HttpContextBase^ httpContext,
	Object^ constraint,
	String^ parameterName,
	RouteValueDictionary^ values,
	RouteDirection routeDirection
)

Parameters

httpContext: Type: System.Web::HttpContextBase^
An object that encapsulates information about the HTTP request.

constraint: Type: System::Object^
The regular expression or object to use to test parameterName.

parameterName: Type: System::String^
The name of the parameter to test.

values: Type: System.Web.Routing::RouteValueDictionary^
The values to test.

routeDirection: Type: System.Web.Routing::RouteDirection
A value that specifies whether URL routing is processing an incoming request or constructing a URL.

Return Value

Type: System::Boolean

true if the parameter value matches the constraint; otherwise, false.

Exceptions

Exception	Condition
InvalidOperationException	constraint is not a string that contains a regular expression.

Version Information

.NET Framework
Available since 3.5