DependencyAccessor.TryResolveOptionalDependency Method
Definition
Important
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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 -> boolPublic Function TryResolveOptionalDependency (site As Object, contract As CompositionContract, isPrerequisite As Boolean, ByRef dependency As CompositionDependency) As BooleanParameters
- 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
true if the dependency was resolved; otherwise, false.
Applies to
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