CompositionHost.TryGetExport(CompositionContract, Object) Metode

Definisi

Ruang nama:

System.Composition.Hosting

Rakitan:

System.Composition.Hosting.dll

Paket:

System.Composition.Hosting v8.0.0

Sumber:

CompositionHost.cs

Mengambil ekspor yang ditentukan dari konteks komposisi.

public:
 override bool TryGetExport(System::Composition::Hosting::Core::CompositionContract ^ contract, [Runtime::InteropServices::Out] System::Object ^ % export);

public override bool TryGetExport (System.Composition.Hosting.Core.CompositionContract contract, out object export);

override this.TryGetExport : System.Composition.Hosting.Core.CompositionContract * obj -> bool

Public Overrides Function TryGetExport (contract As CompositionContract, ByRef export As Object) As Boolean

Parameter

contract

CompositionContract

Ekspor yang akan diambil.

export

Object

Ketika metode ini kembali, berisi instans ekspor jika tersedia; jika tidak, null.

Mengembalikan

Boolean

true jika ekspor diambil; jika tidak, false.

Pengecualian

CompositionFailedException

Ada terlalu banyak ekspor.