I doubt you're thick, Lagi. :) As I mentioned before, I'm having a lot of trouble with breakpoints lately. Also, there's a difference between a breakpoint and a watch, and I rarely use watches because they aren't universally applicable. I do use conditional breakpoints though.

A watch is supposed to catch any instance where a specified variable changes its value. My experiments were several years ago, but back then I found that only global variables honored watches. I guess that makes sense, since you can't trap a variable that isn't in memory already. I don't use watch variables any more because I don't use globals much. And even back then, watches weren't always reliable.

For normal breakpoints, I don't use the breakpoints pane in the editor, I usually set them directly in the script. Set a red dot at the place where you want to break, right-click the dot, and choose Edit. In the dialog that appears, type the condition that needs to be met. The condition needs to include a variable that occurs in the handler you're debugging.

An example:

on foo pVar
  put the number of items in pVar into tNum
  switch tNum
    case 1
      doThing 1
      break
    case 2
      doThing 2
      break
    case 3
      doThing 3
      break
  end switch
end foo

I can now set a breakpoint at the "switch tNum" line with a condition:
  tNum = 2
and the breakpoint will only fire if that condition is met.

There used to be a problem deleting breakpoints from the pane in the editor window, but that was fixed a while ago. Maybe it has recurred. I don't use that, I just click on the dot in the script to remove it and that has always worked. If you're using an older version of LC, you may have hit that bug though.

On 6/24/19 5:49 AM, Lagi Pittas via use-livecode wrote:
Hi Jacque,

It never worked before and I couldn't get it to work today. I can't be that
thick  can I?
If the "incantation" means I can't get it work (especially the delete - the
breakpoints i set would not remove however I clicked) easily
then I would presume there are some people as dumb as me who won't be able
to do it.

I spent over half an hour trying to get a watch/breakpoint working - do you
tie the watch to the breakpoint if so how - Tried

Can you give me a recipe "for dummies"

"Don't make me think" -  Steve Krug

"Show me the Banana" - "The BIg Red Fez" - Seth Godin

"The best way to motivate the monkey, of course, is to use a banana.
  Whenever the monkey walks into a new situation, all it wants to know is,
“Where’s the banana?”
  If the banana isn’t easy to see, easy to get and obvious, the monkey is
going to lose interest.
  But, if you can make it clear to the monkey what’s in it for him, odds are
he’ll do what you want. "

Thanks

Lagi

On Sat, 22 Jun 2019 at 00:48, J. Landman Gay via use-livecode <
use-livecode@lists.runrev.com> wrote:

Set a breakpoint, right click it, choose condition, and fill out the
dialog. That's how I usually do it.
--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
On June 21, 2019 5:34:30 PM Bob Sneidar via use-livecode
<use-livecode@lists.runrev.com> wrote:

In the breakpoints tab of the script editor, if you right click the
lower
pane, you can create conditional breakpoints. For instance if the value
of
a variable is something. I have never gotten them to work, and I find I
am
needing this more and more.

Bob S


On Jun 21, 2019, at 15:26 , dunbarx--- via use-livecode
<use-livecode@lists.runrev.com> wrote:

Not sure what you could mean.
on mouseUp  if the mouseLoc is within the rect of btn 3 then
breakPoint
if the visible  of btn 3 then breakPoint   if the...


Surely I am missing this.
Craig


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--
Jacqueline Landman Gay         |     jac...@hyperactivesw.com
HyperActive Software           |     http://www.hyperactivesw.com


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