Articolo
11/18/2011

ContractVerificationAttribute Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Instructs analysis tools to assume the correctness of an assembly, type, or member without performing static verification.

Inheritance Hierarchy

System.Object
System.Attribute
System.Diagnostics.Contracts.ContractVerificationAttribute

Namespace: System.Diagnostics.Contracts
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Assembly Or AttributeTargets.Class Or AttributeTargets.Struct Or AttributeTargets.Constructor Or AttributeTargets.Method Or AttributeTargets.Property)> _
<ConditionalAttribute("CONTRACTS_FULL")> _
Public NotInheritable Class ContractVerificationAttribute _
    Inherits Attribute

[AttributeUsageAttribute(AttributeTargets.Assembly|AttributeTargets.Class|AttributeTargets.Struct|AttributeTargets.Constructor|AttributeTargets.Method|AttributeTargets.Property)]
[ConditionalAttribute("CONTRACTS_FULL")]
public sealed class ContractVerificationAttribute : Attribute

The ContractVerificationAttribute type exposes the following members.

Constructors

	Name	Description
	ContractVerificationAttribute	Initializes a new instance of the ContractVerificationAttribute class.

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Properties

	Name	Description
	Value	Gets the value that indicates whether to verify the contract of the target.

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Methods

	Name	Description
	Equals	Infrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Returns the hash code for this instance. (Inherited from Attribute.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	Match	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

Use ContractVerification(false) to explicitly mark an assembly, type, or member as not requiring verification. The most specific element found (member, type, and then assembly) takes precedence. Applying this attribute to a property, type, or assembly has the following effects:

When you apply it to a property, it applies to both the get accessor and the set accessor.
When you apply it to a type, it applies to all members of the type, including nested types.
When you apply it to an assembly, it applies to all types and members of the assembly.

Version Information

Silverlight

Supported in: 5, 4

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

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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