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ImportAttribute Class

.NET Framework 4.6 and 4.5

Specifies that a property, field, or parameter value should be provided by the host container.

System.Object
  System.Attribute
    System.Composition.ImportAttribute

Namespace:  System.Composition
Assembly:  System.Composition.AttributedModel (in System.Composition.AttributedModel.dll)

[AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Parameter, AllowMultiple = false, 
	Inherited = false)]
public class ImportAttribute : Attribute

The ImportAttribute type exposes the following members.

  NameDescription
Public methodImportAttribute()Initializes a new instance of the ImportAttribute class, importing the export with the default contract name.
Public methodImportAttribute(String)Initializes a new instance of the ImportAttribute class, importing the export with the specified contract name.
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  NameDescription
Public propertyAllowDefaultGets or sets a value that indicates whether the property, field, or parameter will be set to its type's default value when an export with the contract name is not present in the container.
Public propertyContractNameGets the contract name of the export to import.
Public propertyTypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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  NameDescription
Public methodEqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodIsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public methodMatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Explicit interface implemetationPrivate method_Attribute.GetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.GetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetationPrivate method_Attribute.InvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
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Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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