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Treeview nodeClick doesn't fire when clicked

9 New Member
We are using the treeview common control in an MS Access form. I've encountered a situation with a user where when he clicks a node in the tree, the nodeclick() event does not fire, yet the tree is still fully navigable. He can open and close all the branches, but the background code that picks up the nodeclick() just doesn't fire. However we have buttons on the screen that, thru code, find the next node and "click" it through VBA. That works fine and the resulting nodeclick() code does fire in that case, just not when the user uses the mouse to click it.

I'm struggling for how to even begin troubleshooting this. It's one thing to have an error happen that I can trace thru, but when something doesn't happen and no event is triggered, how might I track down where the failure is? BTW, this is a Windows XP/Office 2007 PC.

BACKGROUND:
We were hit hard by the MS12-060 patch issue as documented in the following KB: http://support.microsoft.com/kb/2748410
We're still dealing with users that are opening the database for the first time since August and discover it won't work. In troubleshooting the problem, another administrator did "something" to the PC. Unfortunately I don't know what they did but I do know it had to do with the MSCOMCTL.OCX library, which is the exact same library the treeview comes from. I've confirmed the filesize/date and it is still the correct common controls library version. Otherwise the entire database is functional and working fine.

Any ideas?
Dec 12 '12
13 10612
NeoPa
32,584 Recognized Expert Moderator MVP
Good work between you guys. I would simply add that it is worth looking through all the security settings, rather than just the Add-In one I referred to earlier. Make sure it trusts the VBA project etc. I'm sure you already have, but it doesn't hurt to have it documented in the thread. Others my find their way here in future and need more details spelled out ;-)
Argonautical:
From what I know that's all controlled via group policy and not directly in Access so ...
Group Policy covers various things across a Domain including Users, Servers, PCs etc. It is another level of control, but it is still controlling the same items that are already present in the Users, Servers & PCs. This means that direct control in Access is not incompatible with Group Policy control. Both can, and do, pertain to the same settings on your PC. However, in many cases it is possible for GP settings to be mandatory and thus unable to be changed except via GP. What I am trying to say is that it isn't true to say that using GP necessarily precludes the normal interface, but sometimes it can of course.
Dec 13 '12 #11
argonautical
9 New Member
Great point NeoPa. I was thinking that some of the ActiveX and other security controls were only accessible through GP in Access 2007/WinXP. I guess that may not be the case, but either way you make a valued point for anyone following up on this issue. Thanks!
Dec 13 '12 #12
NeoPa
32,584 Recognized Expert Moderator MVP
Glad to help where I can :-)

If you do find any settings within Access that are exclusively controlled by GP then you will know because trying to change/set them will result in a message informing you that the particular setting is under the control of the GP and you need to speak to your administrator if you want it changed. I don't have an example to hand, so can't post the exact message, but it isn't ambiguous. You'll know.
Dec 13 '12 #13
MrXmas
2 New Member
I stumbled in here 12 years later, with a problem that sounds very similar.
I use several treeview controls in a large access database. All of them were working fine except one. The one problem child was working fine until this morning when it simply stopped responding to any events.
I tried a bunch of things, believing the code to be partially scrambled or broken.
The thing that finally fixed it however was unexpected. I had a class variable declared at the form level (so that it would remain available the entire time the form is on screen). When I changed that variable declaration from:

Private nWho As New clsUser

to:

Private nWho As clsUser

Suddenly everything started working -- weird because the clsUser has NOTHING to do with the treeview control here.
So, if in the long history of the internet anybody happens to stumble across this post.... Try messing with any declarations you may have.
:-)
Carry on soldier.

May 29 '24 #14

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