Problem sending LVN_COLUMNCLICK notification to a window

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Originally Posted by AlexA2

How do I solve this problem?
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Windows SDK Error report returns: Access is denied. on both Win7 x64 and x86.

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Well, the only way to solve the "Access is denied" error is to assign the user the appropriate rights / privileges. Note that this mechanism in XP and Vista idiffers so much ... so a lot of old "hook" things does not wokk in Vista anymore...

I've ran the exe file of my compiled program as Administrator. Doesn't it give full privileges?

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Originally Posted by AlexA2

I've ran the exe file of my compiled program as Administrator. Doesn't it give full privileges?

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Have you already read what Ovidiu recommended you?

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Originally Posted by ovidiucucu

Can be a matter of User Interface Privilege Isolation (UIPI).
But that cannot be clearly seen in my crystal ball.

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I did but, I don't have VS2008SP1, and I can't modify the code on the application that is supposed to receive the WM_NOTIFY message.
From what I understand, those exercises modify the code on the app in order to receive messages with any privilege.