On 02/23/2013 03:24 AM, Hal Vaughan wrote:
I have a macro in LO BASIC that sets up a dialog, then, instead of executing
it, I do:
oDialog.setVisible(TRUE)
This dialog box contains a progress bar and, while testing it, I realized it's
frustrating for longer documents to have a progress bar and force me to sit and
wait without a way to cancel it. So I added a Cancel button.
This dialog is in my library and I'd like to find a way to set up the "Cancel"
button so it can either stop the script or possibly even call a clean up routine when
it's been pressed - or have it change the state of a global variable so a routine could
see if it's been pressed.
I know there are event handlers so I can do something on events like MouseOver
and so on.
And if I were not putting this in a library, I could easily specify, in the
Dialog Settings, which routine to call on Cancel.
But if I want the dialog in a library, is there a way, when calling the
function that sets it up, to specify a routine to call when the Cancel button
is pressed? Or is there some way to create a global variable or any kind of
flag that I could have changed when the button is pressed?
In other words, other than putting in a "Stop" command, or specifying one
routine name to call when an event triggers it, can I pass on the name or pointer to a
routine that would be called when the button is pressed?
Hal
Disclaimer: I have never tried or considered what you desire to do,
but..... I suppose that I would first test this (should be easy to do).
First, what is it that you are doing that you desire to interrupt?
Specifically, is it your macro code that is running for a long time, or,
did it make a call that is running for a long time? If it is your own
macro, I would try setting a global in an event handler and check that
global in your code. You could create a quick test
while the "cancel requested global is not true" and two minutes has not
elapsed
do something like add zero to a variable
Print "I am out and finished"
Then, you can check to see if you can set the global variable by
clicking on a cancel button and having the event handler be called. I am
not optimistic that this will work, but, it is worth a try. I am very
interested in your results.
--
Andrew Pitonyak
My Macro Document: http://www.pitonyak.org/AndrewMacro.odt
Info: http://www.pitonyak.org/oo.php
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