IDISP020

Call SuppressFinalize(this)

Topic	Value
Id	IDISP020
Severity	Warning
Enabled	True
Category	IDisposableAnalyzers.Correctness
Code	DisposeMethodAnalyzer

Description

Call SuppressFinalize with this as argument.

Motivation

public void Dispose()
{
    this.Dispose(true);
    GC.SuppressFinalize(null);
}

How to fix violations

public void Dispose()
{
    this.Dispose(true);
    GC.SuppressFinalize(this);
}

Configure severity

Via ruleset file.

Configure the severity per project, for more info see MSDN.

Via #pragma directive.

#pragma warning disable IDISP020 // Call SuppressFinalize(this)
Code violating the rule here
#pragma warning restore IDISP020 // Call SuppressFinalize(this)

Or put this at the top of the file to disable all instances.

#pragma warning disable IDISP020 // Call SuppressFinalize(this)

Via attribute [SuppressMessage].

[System.Diagnostics.CodeAnalysis.SuppressMessage("IDisposableAnalyzers.Correctness", 
    "IDISP020:Call SuppressFinalize(this)", 
    Justification = "Reason...")]