Check if Add-In is already running

[Coen Claus]

I've deployed a Revit Add-in with RPS. The tool uses WinForms to create a small GUI. 

However when the user clicks on the Add-In while it is already running it causes Revit to crash.

How can I check if the Add-In is already running or not?

[Daren Thomas]

this depends a bit on your addin. so... as i understand it, your GUI stays open after the addin has run. you could use the Windows API to check for that window...

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[dynamo.u...@gmail.com]

I had the same issue. I solved by launching the form with form.ShowDialog(). This way the user can't go back to Revit unless it closes the form.

[Coen Claus]

Thanks! Worked like a charm! Very easy solution.

Op donderdag 1 maart 2018 08:23:28 UTC+1 schreef dynamo.u...@gmail.com:

[Coen Claus]

It is indeed what I meant. I was trying with the System module to check if the process was already running. But another user has proposed for me already another solution.

By the way, RevitPythonsShell is amazing! :-) . Makes it so easy to drive the Revit API for beginners like me.

This is the preliminary tool I made completely with RevitPythonShell if anyone is interested; 

Op woensdag 28 februari 2018 16:54:11 UTC+1 schreef Daren Thomas:

this depends a bit on your addin. so... as i understand it, your GUI stays open after the addin has run. you could use the Windows API to check for that window...

On Wed, Feb 28, 2018 at 2:20 PM, Coen Claus <coen...@gmail.com> wrote:

I've deployed a Revit Add-in with RPS. The tool uses WinForms to create a small GUI. 

However when the user clicks on the Add-In while it is already running it causes Revit to crash.

How can I check if the Add-In is already running or not?

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To unsubscribe from this group and stop receiving emails from it, send an email to revitpythonshe...@googlegroups.com.

[Callum]

Really impressive Coen, looking forward to seeing what else you come up with!

[dynamo.u...@gmail.com]

I like it! Something else you could do it's to have the form always showing in front and centred to the screen

[Cyril Waechter]

If your goal is to get a modeless form (being able to touch revit with your GUI still open) without crashing you should check samples on my blog or in my pyRevit extension source code :
Simple modeless form
A more advanced example
Source code on github  many of my scripts use this process
I had pretty hard time with this subject I hope it will help ;-)

[Coen Claus]

Thanks for all the positive feedback, very much appreciated!

I've uploaded a preliminary .exe here