DependencyAccessor.TryResolveOptionalDependency Method

Definition

Namespace:

System.Composition.Hosting.Core

Assembly:

System.Composition.Hosting.dll

Package:

System.Composition.Hosting v9.0.0-preview.3.24172.9

Source:

DependencyAccessor.cs

Resolves an optional dependency on one implementation of a contract.

public:
 bool TryResolveOptionalDependency(System::Object ^ site, System::Composition::Hosting::Core::CompositionContract ^ contract, bool isPrerequisite, [Runtime::InteropServices::Out] System::Composition::Hosting::Core::CompositionDependency ^ % dependency);

public bool TryResolveOptionalDependency (object site, System.Composition.Hosting.Core.CompositionContract contract, bool isPrerequisite, out System.Composition.Hosting.Core.CompositionDependency dependency);

member this.TryResolveOptionalDependency : obj * System.Composition.Hosting.Core.CompositionContract * bool * CompositionDependency -> bool

Public Function TryResolveOptionalDependency (site As Object, contract As CompositionContract, isPrerequisite As Boolean, ByRef dependency As CompositionDependency) As Boolean

Parameters

site

Object

A tag that describes the dependency site.

contract

CompositionContract

The contract required by the site.

isPrerequisite

Boolean

true to indicate that the dependency must be satisfied before exports are made available; otherwise, false.

dependency

CompositionDependency

After this method returns, contains the resolved dependency or null.

Returns

Boolean

true if the dependency was resolved; otherwise, false.