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Accessing a sub page within a property page with shortcut keys needs special treatment. I used Zafirs source
from his article Using shortcut keys in property pages as a starting point. To
make sure that a key stroke reaches any of the sub pages I am checking the key in the PreTranslateMessage of the
Dialog first. If the key is not one of the upper pages I am sending the message to the sheet of the sub pages.
If the key is not found it is finally swollen by the IsDialogMessage function.
If a subpage has the focus and an ALT + key combination is pressed and the key belongs to an upper page the
sub page has to make sure that the key is send back by calling:
return(GetParent()->GetParent()->PreTranslateMessage(pMsg));
This expression assures that always another sheet or the dialog is reached. To directly change the main page
from a sub page (e.g. switching from subpage 2 of page 1 to page 2) the key passes the PreTranslateMessage of the
sub page is then passed to the PreTranslateMessage of the page, which contains the sub page, who finally sends it
to the PreTranslateMessage function of the Dialog where it is translated ! uff.. 😉
The code is not perfect but you will get my drift..
Last updated: 09/13/98
