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No mystery ? Obviously !! ... All I'm saying is that the day you need to add a LinkButton in that page for whatever reason, in your case, you'll have to refactor the code somehow. In my case you...

Ok. That rules out that potential problem.

So once you are in the handler, you try to change some control properties, right ? What happens exactly ?

Perhaps you should post some code we can...

Hum... Parsing through the Controls is somewhat dangerous. You never know what you'll find... What if other LinkButtons are also present in the page ? You'll be shooting at flies with the intent of...

Well, the premice is simple : in a user event (a key down in my case), I stop a timer, and put back some members to null. From this point, I expect that no more tick events will occur (cause members...

And if you don't want to do the parsing of the Controls, a simple member variable that keeps a reference on the currently selected button would do the job. On a click, just disable the old button and...

After re-reading your posts, and just to be sure we're talking the same way, here's a recap of events :

class A
{
public delegate void MyHandler(object data); // Or whatever prototype you...

Who exactly is invoking "the upd port" event you are talking about ? How can you be sure it is not coming from another thread ? As a quick test, in your handler, simply call the InvokeRequired...

It looks like your handler is invoked from a thread that is NOT the thread on which the controls you are trying to modify were created.

Controls can only be accessed from within the tread that was...

Hi,
Does anyone know if pending Timer.Tick events (already in the message queue) are removed upon a Timer.Enabled = false or if they might still arrive after ?

(talking about...