CanBeNullAttribute Class

Indicates that the value of the marked element could be null sometimes, so the check for null is necessary before its usage.

Inheritance Hierarchy

SystemObject
SystemAttribute
Slash.Diagnostics.ReSharper.AnnotationsCanBeNullAttribute

Namespace: Slash.Diagnostics.ReSharper.Annotations
Assembly: Slash.Diagnostics (in Slash.Diagnostics.dll) Version: 1.0.6018.40181

Syntax

C++

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public sealed class CanBeNullAttribute : Attribute

Public NotInheritable Class CanBeNullAttribute
	Inherits Attribute

public ref class CanBeNullAttribute sealed : public Attribute

[<SealedAttribute>]
type CanBeNullAttribute =  
    class
        inherit Attribute
    end

The CanBeNullAttribute type exposes the following members.

Constructors

	Name	Description
	CanBeNullAttribute	Initializes a new instance of the CanBeNullAttribute class

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Examples

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[CanBeNull]
public object Test()
{
  return null;
}

public void UseTest()
{
  var p = Test(); 
  var s = p.ToString(); // Warning: Possible 'System.NullReferenceException' 
}

Reference

Slash.Diagnostics.ReSharper.Annotations Namespace