The Obsolete attribute can be applied with or without a message argument. Marking something Obsolete without including
advice on why it’s obsolete or what to use instead will lead maintainers to waste time trying to figure those things out.
Noncompliant code example
public class Car
{
[Obsolete] // Noncompliant
public void CrankEngine(int turnsOfCrank)
{ ... }
}
Compliant solution
public class Car
{
[Obsolete("Replaced by the automatic starter")]
public void CrankEngine(int turnsOfCrank)
{ ... }
}
