VFP Timers

[rburson]

Is there a way to simulate timers within lainja or some method to watch say a folder every second to see if a file is present and if so fire a procedure.

We use this a lot with checking serial and IP ports as well.

[HankFay]

lo = newobject("timer")

hth,

Hank

[barrymavin]

Hi Rob

Lianja Has built in support for watching for files or directories changing.

https://www.lianja.com/doc/index.php...System_Watcher

[rburson]

how about for serial communications, we use timers to check the buffer for data.

[barrymavin]

You can do this programatically by creating a Timer object as was previously mentioned.

Alternatively you can have timers on the app, pages, sections and fields all with a configurable timer interval. Note that timers only fire when your app is in runtime mode not in design mode.

Rather than polling it may be more responsive to handle a callback depending on what you use to handle the serial communications. As ws mentioned previously you can do this in Python and integrate it into your VFP code.