user32:dialog.c Prevention endless loop.
Anatoly Lyutin
vostok at etersoft.ru
Thu Aug 23 08:36:51 CDT 2007
A possibly to get a endless loop if a Tabs messages are processed in
dialog box through IsDialogMessageW .
The reaction of Tabs on WM_GETDLGCODE is return DLGC_WANTARROWS |
DLGC_WANTCHARS.
WM_KEYDOWN process in IsDialogMessageW in WM_SYSCHAR case. In this case
calls a DIALOG_IsAccelerator function. Inside this function is do-while
loop and send WM_GETDLGCODE message. When this message is send to Tabs
it originates endless loop.
Changelog:
Prevention endless loop.
--
Best regards
Anatoly Lyutin.
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