PreviousContractVersionAttribute Class

Reference

Definition

Namespace:: Windows.Foundation.Metadata

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.

Edit

Indicates that the type was previously associated with a different API contract.

public ref class PreviousContractVersionAttribute sealed : Attribute

/// [Windows.Foundation.Metadata.AllowMultiple]
/// [Windows.Foundation.Metadata.AttributeUsage(System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.InterfaceImpl | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.RuntimeClass | System.AttributeTargets.Struct)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.FoundationContract, 65536)]
class PreviousContractVersionAttribute final : Attribute

[Windows.Foundation.Metadata.AllowMultiple]
[Windows.Foundation.Metadata.AttributeUsage(System.AttributeTargets.Delegate | System.AttributeTargets.Enum | System.AttributeTargets.Event | System.AttributeTargets.Field | System.AttributeTargets.Interface | System.AttributeTargets.InterfaceImpl | System.AttributeTargets.Method | System.AttributeTargets.Property | System.AttributeTargets.RuntimeClass | System.AttributeTargets.Struct)]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.FoundationContract), 65536)]
public sealed class PreviousContractVersionAttribute : Attribute

function PreviousContractVersionAttribute(contract, versionLow, versionHigh, newContract)

Public NotInheritable Class PreviousContractVersionAttribute
Inherits Attribute

Inheritance: Attribute
PreviousContractVersionAttribute

Attributes: AllowMultipleAttribute AttributeUsageAttribute ContractVersionAttribute

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.FoundationContract (introduced in v1.0)

Remarks

This attribute is present if a type has been moved from one API contract to another type. It expresses the history of the type in relation to the API contracts in which it has existed.

Constructors

PreviousContractVersionAttribute(String, UInt32, UInt32, String)	Creates and initializes a new instance of the attribute.
PreviousContractVersionAttribute(String, UInt32, UInt32)	Creates and initializes a new instance of the attribute.
PreviousContractVersionAttribute(Type, UInt32, UInt32, Type)	Creates and initializes a new instance of the attribute.
PreviousContractVersionAttribute(Type, UInt32, UInt32)	Creates and initializes a new instance of the attribute.

Applies to

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