NotNullAttribute Class

Reference

Definition

Namespace:: System.Diagnostics.CodeAnalysis

Assembly:: System.Runtime.dll

Assembly:: netstandard.dll

Important

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Specifies that an output is not null even if the corresponding type allows it. Specifies that an input argument was not null when the call returns.

public ref class NotNullAttribute sealed : Attribute

[System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property | System.AttributeTargets.ReturnValue, Inherited=false)]
public sealed class NotNullAttribute : Attribute

[<System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Parameter | System.AttributeTargets.Property | System.AttributeTargets.ReturnValue, Inherited=false)>]
type NotNullAttribute = class
    inherit Attribute

Public NotInheritable Class NotNullAttribute
Inherits Attribute

Inheritance: Object

Attribute
NotNullAttribute

Attributes: AttributeUsageAttribute

Remarks

For more information, see Nullable static analysis in the C# guide.

Constructors

NotNullAttribute()

Initializes a new instance of the NotNullAttribute class.

Properties

TypeId

When implemented in a derived class, gets a unique identifier for this Attribute.

(Inherited from Attribute)

Methods

Equals(Object)	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute)
GetHashCode()	Returns the hash code for this instance. (Inherited from Attribute)
GetType()	Gets the Type of the current instance. (Inherited from Object)
IsDefaultAttribute()	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute)
Match(Object)	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)

Applies to

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