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91

answers:

1
Q: 

WM_KEYDOWN processed by the ActiveX parent - how to disable it

Hi,

I implemented an IE plugin (ActiveX) that has some inputbox controls on it. Each time when I press TAB or Backspace, the container (main IE window) will also process those events. Is there any way to stop propagating the WM_KEYDOWN to the parent window?

Thanks, Cristian

A: 

Have you implement IInputObject? If so, make sure your HasFocusIO() implementation is correct.

jeffamaphone  2009-12-28 21:10:49
I did so, but those 3 functions are never called. The plug-in is a content extension ActiveX
Cristian  2009-12-28 21:54:07
Do you respond to IID_IInputObject in your QueryInterface() function?
jeffamaphone  2009-12-28 22:28:39
Also, is your control windowed or windowless?
jeffamaphone  2009-12-28 22:29:27
What do you mean by *respond to IID_IInputObject*, I don't explicitly call QueryInterface with that IID, I let the framework do the job. Somehow if I call DoVerbUIActivate(0,0); at the end of the OnCreate function, than TranslateAccelerator* will be called. The construction is a bit complex, the COM ActiveX starts the CLR and then a custom control (.net) is loaded.
Cristian  2009-12-29 19:16:49

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