DependencyAccessor.TryResolveOptionalDependency 方法

定义

命名空间:
System.Composition.Hosting.Core
程序集:
System.Composition.Hosting.dll
包:
System.Composition.Hosting v11.0.0-preview.4.26230.115
Source:
DependencyAccessor.cs
Source:
DependencyAccessor.cs
Source:
DependencyAccessor.cs
Source:
DependencyAccessor.cs

解析对协定的一个实现的可选依赖项。

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

参数

site
Object

描述依赖项站点的标记。

contract
CompositionContract

网站所需的合同。

isPrerequisite
Boolean

true 指示在导出可用之前必须满足依赖项;否则，为 false.

dependency
CompositionDependency

此方法返回后，包含解析的依赖项或 null。

返回

Boolean

true 如果解决了依赖项，则为否则，为 false.

适用于