ServiceHelper.LocateService<T> Method (Type, Object,T[])

Convenience method for implementing IServiceProvider objects. If candidate is an instance of serviceType, returns candidate. Otherwise, checks additional IServiceProvider objects for any that return a non-null result for serviceType. Otherwise, returns null.

Namespace: AGI.Foundation.Infrastructure
Assembly: AGI.Foundation.Core (in AGI.Foundation.Core.dll) Version: 25.1.421.0 (25.1.421.0)

Syntax

C++

Copy

public static Object LocateService<T>(
	Type serviceType,
	Object candidate,
	params T[] additionalServiceProviders
)
where T : IServiceProvider

Public Shared Function LocateService(Of T As IServiceProvider) ( 
	serviceType As Type,
	candidate As Object,
	ParamArray additionalServiceProviders As T()
) As Object

public:
generic<typename T>
where T : IServiceProvider
static Object^ LocateService(
	Type^ serviceType, 
	Object^ candidate, 
	... array<T>^ additionalServiceProviders
)

static member LocateService : 
        serviceType : Type * 
        candidate : Object * 
        additionalServiceProviders : 'T[] -> Object  when 'T : IServiceProvider

Parameters

serviceType: Type: System.Type
The type of the service that is requested.
candidate: Type: System.Object
A candidate object that could be of the requested serviceType.
additionalServiceProviders: Type:T[]
Additional service providers that will be checked, in order, for the requested service. The first non-null result will be returned.

Type Parameters

T: The type of additional service providers to search.

Return Value

Type: Object
The requested service, or null if not found.

Exceptions

Exception	Condition
ArgumentNullException	Thrown when serviceType, candidate, or additionalServiceProviders is null.

Reference

ServiceHelper Class

LocateService Overload

AGI.Foundation.Infrastructure Namespace