VB.Net custom tool crashes ArcMap

Discussion created by TW_WebMap on Jun 3, 2011
Latest reply on Mar 14, 2012 by dale@thani
I'm trying to implement a custom tool for an add-in.  I inserted the following snippet, which works fine:
        Dim UIDCls As ESRI.ArcGIS.esriSystem.UID = New ESRI.ArcGIS.esriSystem.UIDClass()
        ' id property of menu from Config.esriaddinx document
        UIDCls.Value = "esriArcMapUI.ZoomInTool"
        Dim commandItem As ESRI.ArcGIS.Framework.ICommandItem = TryCast(document.CommandBars.Find(UIDCls), ESRI.ArcGIS.Framework.ICommandItem)
        If commandItem Is Nothing Then
            Exit Sub
        End If
        My.ArcMap.Application.CurrentTool = commandItem

I then added a custom tool:
Add New Item>ArcGis>Extending ArcObjects>Base Tool. I called it (default) Tool1.vb.  It created a module allowing me to add code for mouse events, along with some COM GUIDs. 

When I try to replace the UIDCls value above (esriArcMapUI.ZoomInTool) to refer to my custom tool, Arcmap will crash. 
My project is called VBNET_Test, so I've tried referring to my tool as VBNET_Test.Tool1, VBNET_Test_Tool1; also tried giving the tool a MyBase.m_name and referring to that as Tool1_[m_name].  Everything I do causes ArcMap to crash.  The only way I can get ArcMap to continue, (to the Exit Sub line, because the tool's not recognized - CommandItem=nothing) is by adding the classID in the tool module ("{513f6529-78cf-4913-a86d-058985bbf4ed}").

My tool is not on a toolbar/command bar - but I've read others' experiences stating that this is not necessary.  I don't want it on a toolbar.  In my VBA project I had to have the tool on a toolbar.

Potentially related is my selection of disabling Com interop in the main project properties.  If I enable it I get an error and the code won't compile.  The error states:

Error 1 Cannot register assembly "C:\Users\Computer\Documents\Visual Studio 2008\Projects\VBNet_Test\VBNet_Test\bin\Debug\VBNet_Test.dll". Could not load file or assembly 'ESRI.ArcGIS.Desktop.AddIns, Version=, Culture=neutral, PublicKeyToken=8fc3cc631e44ad86' or one of its dependencies. The system cannot find the file specified. VBNet_Test

Any help would be greatly appreciated.  I'm trying to migrate a huge VBA project over to some things seem really easy but this has me stumped.