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VB Forum / COM / February 2008Visual effect on Vista and activated UAC
Hi, I have a visual effect with a OCX user control on Vista OS and activated UAC. If the UAC is deactivated I do not have any problems. Well, do I have any chance to solve such problems, that only occur with activated UAC? Christian > Hi, > [quoted text clipped - 4 lines] > activated UAC? > Christian Yes. Do a google search in microsoft.public.vb.general.discussion for "Vista", alternately subkeys "UAC", "OCX", "DLL", ... If you post again you might be more descriptive on what "problems". <g> -ralph Hi Ralph, thanks for your response. My control contains a multiline textbox and some subcontrols, which contains a label and a textbox. If the user is in the multiline textbox on the POS1 and press the enter buttton, the cursor jumps between the subcontrols for about 30 seconds. The OCX is embedded in a VC++ 6.0 MFC dialog. Christian > > Hi, > > [quoted text clipped - 14 lines] > > -ralph > Hi Ralph, > [quoted text clipped - 6 lines] > The OCX is embedded in a VC++ 6.0 MFC dialog. > Christian <snipped> Sorry, I assumed you were using VB. This is a VB newsgroup. I'm not aware of any reported problems of that nature with VB and the UAC. I suggest you repost to a VC++ newsgroup. microsoft.public.vc.mfc or even cross-post to microsoft.public.vc.atl (depending on what the OCX is written in.). In the meantime I suggest you take a long look at the message loop. A pure guess is that the OCX is encountering a permissions issue (UAC essentially remaps how COM gets resolved) and the error is somehow being swallowed, but raising misleading or spurious events. The fact it is self-correcting suggests that if you find the initial error point - the solution will become obvious. That should give you hope. <g> -ralph Hi Ralph, der OCX is programmed in VB6. Only the container is a VC++ app. Christian > > Hi Ralph, > > [quoted text clipped - 25 lines] > > -ralph > Hi Ralph, > > der OCX is programmed in VB6. Only the container is a VC++ app. > Christian If you have Visual Studio/Visual Basic. Then I would create a quick VB app to use the OCX and see if you experience the same problem. -ralph |
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