Zhiyi Zhang (@zhiyi) commented about dlls/comctl32/tests/propsheet.c:
+ SetFocus(hotkey_dialog); + + control = (HWND)SendMessageA(hotkey_dialog, PSM_GETCURRENTPAGEHWND, 0, 0); + active_page = (LONG)SendMessageA(hotkey_dialog, PSM_HWNDTOINDEX, (WPARAM)control, 0); + ok(active_page == 0, "Got %ld\n", active_page); + + inputs[0].ki.wVk = VK_CONTROL; + inputs[0].ki.dwFlags = 0; + inputs[1].ki.wVk = VK_NEXT; + inputs[1].ki.dwFlags = 0; + inputs[2].ki.wVk = VK_NEXT; + inputs[2].ki.dwFlags = KEYEVENTF_KEYUP; + inputs[3].ki.wVk = VK_CONTROL; + inputs[3].ki.dwFlags = KEYEVENTF_KEYUP; + SendInput(4, inputs, sizeof(INPUT)); + WaitForSingleObject(active_page_changed, 1000); I would send a custom message to the window and call flush_events(). Then you can remove active_page_changed and WaitForSingleObject(hotkey_dialog_idle).
-- https://gitlab.winehq.org/wine/wine/-/merge_requests/5761#note_74645