How can you mark code as “not for future use”

Question

I often end up in a situation where I want to discourage other developers from continuing to use a method or class. For example, let\'s say I have two library methods \"A\" and

Answer 1

Adding the Obsolete attribute to your method will give the strikethrough in intellisense.

[ObsoleteAttribute("This property is obsolete. Use NewProperty instead.", false)] 
public static string OldProperty
{ get { return "The old property value."; } }

To disable the warnings add this before the attribute:

#pragma warning disable 612, 618

And to reenable:

#pragma warning restore 612, 618

As noted here, putting a ignore in your project file instead of in your code would be a very clean solution.

618

EDIT: Also, check out @JonHanna's answer about using the EditorBrowsable attribute.

As others have noted, there are actually 2 warnings that are thrown with the obsolete attribute.

EDIT:

#pragma warning disable 612, 618
[Obsolete]
#pragma warning restore 612, 618
public class test1
{...

When you try to use test1 you will get:

Note that when you type var test = new test1() the strikethrough does not occur.

But test1 test = new test1() will show the strikethrough.