ContractBasedImportDefinition Constructors
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Initializes a new instance of the ContractBasedImportDefinition class.
Overloads
| ContractBasedImportDefinition() |
Initializes a new instance of the ContractBasedImportDefinition class. |
| ContractBasedImportDefinition(String, String, IEnumerable<KeyValuePair<String,Type>>, ImportCardinality, Boolean, Boolean, CreationPolicy) |
Initializes a new instance of the ContractBasedImportDefinition class with the specified contract name, required type identity, required metadata, cardinality, and creation policy, and indicates whether the import definition is recomposable or a prerequisite. |
| ContractBasedImportDefinition(String, String, IEnumerable<KeyValuePair<String, Type>>, ImportCardinality, Boolean, Boolean, CreationPolicy, IDictionary<String, Object>) |
Initializes a new instance of the ContractBasedImportDefinition class with the specified contract name, required type identity, required and optional metadata, cardinality, and creation policy, and indicates whether the import definition is recomposable or a prerequisite. |
ContractBasedImportDefinition()
Initializes a new instance of the ContractBasedImportDefinition class.
protected:
ContractBasedImportDefinition();protected ContractBasedImportDefinition ();Protected Sub New ()Remarks
Note to inheritors
Derived types calling this constructor can optionally override the ContractName, RequiredTypeIdentity, RequiredMetadata, Cardinality, IsPrerequisite, IsRecomposable, and RequiredCreationPolicy properties.
Applies to
ContractBasedImportDefinition(String, String, IEnumerable<KeyValuePair<String,Type>>, ImportCardinality, Boolean, Boolean, CreationPolicy)
Initializes a new instance of the ContractBasedImportDefinition class with the specified contract name, required type identity, required metadata, cardinality, and creation policy, and indicates whether the import definition is recomposable or a prerequisite.
public:
ContractBasedImportDefinition(System::String ^ contractName, System::String ^ requiredTypeIdentity, System::Collections::Generic::IEnumerable<System::Collections::Generic::KeyValuePair<System::String ^, Type ^>> ^ requiredMetadata, System::ComponentModel::Composition::Primitives::ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System::ComponentModel::Composition::CreationPolicy requiredCreationPolicy);public ContractBasedImportDefinition (string contractName, string requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,Type>> requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy);public ContractBasedImportDefinition (string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy);new System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition : string * string * seq<System.Collections.Generic.KeyValuePair<string, Type>> * System.ComponentModel.Composition.Primitives.ImportCardinality * bool * bool * System.ComponentModel.Composition.CreationPolicy -> System.ComponentModel.Composition.Primitives.ContractBasedImportDefinitionPublic Sub New (contractName As String, requiredTypeIdentity As String, requiredMetadata As IEnumerable(Of KeyValuePair(Of String, Type)), cardinality As ImportCardinality, isRecomposable As Boolean, isPrerequisite As Boolean, requiredCreationPolicy As CreationPolicy)Parameters
- requiredTypeIdentity
- String
The type identity of the export type expected. Use the GetTypeIdentity(Type) method to generate a type identity for a given type. If no specific type is required, use null.
- requiredMetadata
- IEnumerable<KeyValuePair<String,Type>>
A collection of key/value pairs that contain the metadata names and types required by the import definition; or null to set the RequiredMetadata property to an empty IEnumerable<T> collection.
- cardinality
- ImportCardinality
One of the enumeration values that indicates the cardinality of the Export objects required by the import definition.
- isRecomposable
- Boolean
true to specify that the import definition can be satisfied multiple times throughout the lifetime of a ComposablePart; otherwise, false.
- isPrerequisite
- Boolean
true to specify that the import definition is required to be satisfied before a ComposablePart can start producing exported objects; otherwise, false.
- requiredCreationPolicy
- CreationPolicy
A value that indicates that the importer requires a specific creation policy for the exports used to satisfy this import. If no specific creation policy is needed, the default is Any.
Exceptions
contractName is null.
contractName is an empty string ("").
-or-
requiredMetadata contains an element that is null.
-or-
cardinality is not one of the ImportCardinality values.
Applies to
ContractBasedImportDefinition(String, String, IEnumerable<KeyValuePair<String, Type>>, ImportCardinality, Boolean, Boolean, CreationPolicy, IDictionary<String, Object>)
Initializes a new instance of the ContractBasedImportDefinition class with the specified contract name, required type identity, required and optional metadata, cardinality, and creation policy, and indicates whether the import definition is recomposable or a prerequisite.
public:
ContractBasedImportDefinition(System::String ^ contractName, System::String ^ requiredTypeIdentity, System::Collections::Generic::IEnumerable<System::Collections::Generic::KeyValuePair<System::String ^, Type ^>> ^ requiredMetadata, System::ComponentModel::Composition::Primitives::ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System::ComponentModel::Composition::CreationPolicy requiredCreationPolicy, System::Collections::Generic::IDictionary<System::String ^, System::Object ^> ^ metadata);public ContractBasedImportDefinition (string contractName, string requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,Type>> requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.Collections.Generic.IDictionary<string,object> metadata);public ContractBasedImportDefinition (string contractName, string? requiredTypeIdentity, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string,Type>>? requiredMetadata, System.ComponentModel.Composition.Primitives.ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite, System.ComponentModel.Composition.CreationPolicy requiredCreationPolicy, System.Collections.Generic.IDictionary<string,object?> metadata);new System.ComponentModel.Composition.Primitives.ContractBasedImportDefinition : string * string * seq<System.Collections.Generic.KeyValuePair<string, Type>> * System.ComponentModel.Composition.Primitives.ImportCardinality * bool * bool * System.ComponentModel.Composition.CreationPolicy * System.Collections.Generic.IDictionary<string, obj> -> System.ComponentModel.Composition.Primitives.ContractBasedImportDefinitionPublic Sub New (contractName As String, requiredTypeIdentity As String, requiredMetadata As IEnumerable(Of KeyValuePair(Of String, Type)), cardinality As ImportCardinality, isRecomposable As Boolean, isPrerequisite As Boolean, requiredCreationPolicy As CreationPolicy, metadata As IDictionary(Of String, Object))Parameters
- requiredTypeIdentity
- String
The type identity of the export type expected. Use the GetTypeIdentity(Type) method to generate a type identity for a given type. If no specific type is required, use null.
- requiredMetadata
- IEnumerable<KeyValuePair<String,Type>>
A collection of key/value pairs that contain the metadata names and types required by the import definition; or null to set the RequiredMetadata property to an empty IEnumerable<T> collection.
- cardinality
- ImportCardinality
One of the enumeration values that indicates the cardinality of the Export objects required by the import definition.
- isRecomposable
- Boolean
true to specify that the import definition can be satisfied multiple times throughout the lifetime of a ComposablePart; otherwise, false.
- isPrerequisite
- Boolean
true to specify that the import definition is required to be satisfied before a ComposablePart can start producing exported objects; otherwise, false.
- requiredCreationPolicy
- CreationPolicy
A value that indicates that the importer requires a specific creation policy for the exports used to satisfy this import. If no specific creation policy is needed, the default is Any.
- metadata
- IDictionary<String,Object>
The metadata associated with this import.
Exceptions
contractName is null.
contractName is an empty string ("").
-or-
requiredMetadata contains an element that is null.
-or-
cardinality is not one of the ImportCardinality values.
Applies to
Commenti e suggerimenti
Presto disponibile: Nel corso del 2024 verranno gradualmente disattivati i problemi di GitHub come meccanismo di feedback per il contenuto e ciò verrà sostituito con un nuovo sistema di feedback. Per altre informazioni, vedere https://aka.ms/ContentUserFeedback.
Invia e visualizza il feedback per