setting tooltip text

[leosco]

Hi.

How do I set tooltip text for some specific text in a text box? For example, if I write

string x = "123";

Visual Studio would display (local variable x) if I hover the cursor over it.

How do you do that? I couldn't find any tutorials for this, so help would be appreciated.

[Plater]

Tooltip text can be set at any time. Look at the desinger code to see how it is done.
You can probably work with the TextChanged event to examine the contents and change your tooltip text