I have this code to know if a toolbar is displaying:

IApplication m_aplication = ArcMap.Application;

ICommandBar versionToolbar = GetToolbarByName(m_aplication, "esriArcMapUI.VersionToolbar");

if (versionToolbar.IsVisible()){

I can hide a toolbar, but I need to know when a toolbar is added to the desktop view, for example when the user check a toolbar in customize option:

enter image description here

I have this extension class:

public sealed class eManager : ESRI.ArcGIS.Desktop.AddIns.Extension
       protected override void OnStartup()
            MessageBox.Show("on Start up eManager");

And this config extension: enter image description here

but the event doesn't work


The status of the toolbar you can only check if your toolbar is part of an extension. There is a bit more work to implement. In Add Item-dialog in your Visual-Studio project you can choose the template Application Extension (Desktop) of Extending ArcObjects category.

  • Hi, I edited my question adding my extension class, and configuration. I put a message on start up, but it isn't showing. – Pilgrim May 8 '17 at 14:20
  • don't use ESRI.ArcGIS.Desktop.AddIns.Extension, I meant ESRI.ArcGIS.esriSystem.IExtension, so you can implement the IExtensionConfig Interface and use from there the State-Member. – Ms. Smith May 15 '17 at 8:38
  • look here for the State-Member – Ms. Smith May 15 '17 at 8:52
  • Thanks, I made a timer. But when a I have to change it, I gonna try with a IExtension class, and if works, I'll check your answer. Regards – Pilgrim May 15 '17 at 13:11

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