IRouteConstraint Interface 
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Defines the contract that a class must implement in order to check whether a URL parameter value is valid for a constraint.
public interface class IRouteConstraint
	public interface class IRouteConstraint : Microsoft::AspNetCore::Routing::IParameterPolicy
	public interface IRouteConstraint
	public interface IRouteConstraint : Microsoft.AspNetCore.Routing.IParameterPolicy
	type IRouteConstraint = interface
	type IRouteConstraint = interface
    interface IParameterPolicy
	Public Interface IRouteConstraint
	Public Interface IRouteConstraint
Implements IParameterPolicy
	- Derived
 
- Implements
 
Methods
| Match(HttpContext, IRouter, String, RouteValueDictionary, RouteDirection) | 
		 Determines whether the URL parameter contains a valid value for this constraint.  |