How to create modal Form in SBO 2007

Question

Is it still no way to create a modal SBO form
I want to create SBO Form that pause the lines of code from runing until the form is closed
Modal property of the SBO Form still ready only.
Sincerely yours
Riade Asleh

Answer 1

> Or you can use threading to work.
Indeed, unless I'm mistaken, one will have to. In a common GUI API, if you open a modal form on the event thread, thereby putting it in WAIT state, another event pump is set up. But that functionality isn't available in the SBO UI API AFAIK.
To put it differently: if you open a form in an SBO event handler and enter the WAIT state, the whole SBO application won't react anymore.
So the way to do it is this:
<ul>
<li>Create a new Thread and start it. Within that Thread ...</li>
<li>Create your window. </li>
<li>Register a FORM_UNLOAD (or FORM_CLOSE -- I don't remember which one is deprecated) listener for that form</li>
<li>Create a locking Object. A simple <tt>new Object()</tt> will do</li>
<li>Show the form, and then enter a WAIT state on the lock previously created. In VB, for instance, that would be written:
    SyncLock waitObj
        Monitor.Wait(waitObj)
    End SyncLock
</li>
<li>When the FORM_UNLOAD handler is called (hopefully because the form was closed), notify the lock. For instance, VB again:
    SyncLock waitObj
        Monitor.Pulse(waitObj)
    End SyncLock
</li>
</ul>
Mind you you might run into some trouble, as SBO suffers multi-threading somewhat less than gladly in my experience.
But it might be worth giving it a try -- it's a fairly simple operation, so it might work without too much or indeed any hassle.
PS: that nobr ain't none of mine