Only one instance addin plugin

[sonicer]

How can I protect run only one instance of addin plugin?

If user run Revit 2018 and Revit 2019 on same PC...need protect only one instance.

[jeremytammik]

What is 'protect run'?

What do you mean by 'protect'?

[sonicer]

Sorry, meant this.

Possibility run only one instance of plugin on PC.

If user run revit 2018 and 2019 on same PC allow run only one instance of plugin.

thx.

[jeremytammik]

You can easily support multiple versions of Revit with one single add-in.

If the Revit API calls you make have not changed between Revit 2018 and Revit 2019, simply use the same add-in for both, compiled for Revit 2018.

If the API calls that you use have changed, you can handle that using .NET Reflection:

• https://thebuildingcoder.typepad.com/blog/2012/07/multi-version-add-in.html
• https://thebuildingcoder.typepad.com/blog/2015/06/adn-labs-xtra-multi-version-add-ins-and-cnc-direct...

[sonicer]

thx...But I think you talking about compiling plugin for multi version of revit.

I mean allow run only one instance of plugin.