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Do not send a WM_NOTIFYFORMAT to a non-existent owner.

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This commit is contained in:
Gerard Patel 2000-12-19 03:37:02 +00:00 committed by Alexandre Julliard
parent 1ab243bac1
commit 565ba5899c
1 changed files with 14 additions and 10 deletions
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24
dlls/comctl32/tooltips.c
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@ -1971,6 +1971,7 @@ TOOLTIPS_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
TOOLTIPS_INFO *infoPtr;
NONCLIENTMETRICSA nclm;
INT nResult;
HWND hParent;
/* allocate memory for info structure */
infoPtr = (TOOLTIPS_INFO *)COMCTL32_Alloc (sizeof(TOOLTIPS_INFO));
@ -1993,18 +1994,21 @@ TOOLTIPS_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
TOOLTIPS_SetDelayTime(hwnd, TTDT_AUTOMATIC, 0L);
nResult = (INT) SendMessageA (GetParent (hwnd), WM_NOTIFYFORMAT,
hParent = GetParent(hwnd);
if (hParent) {
nResult = (INT) SendMessageA (hParent, WM_NOTIFYFORMAT,
(WPARAM)hwnd, (LPARAM)NF_QUERY);
if (nResult == NFR_ANSI) {
infoPtr->bNotifyUnicode = FALSE;
if (nResult == NFR_ANSI) {
infoPtr->bNotifyUnicode = FALSE;
TRACE(" -- WM_NOTIFYFORMAT returns: NFR_ANSI\n");
}
else if (nResult == NFR_UNICODE) {
infoPtr->bNotifyUnicode = TRUE;
TRACE(" -- WM_NOTIFYFORMAT returns: NFR_UNICODE\n");
}
else {
ERR (" -- WM_NOTIFYFORMAT returns: error!\n");
}
else if (nResult == NFR_UNICODE) {
infoPtr->bNotifyUnicode = TRUE;
TRACE(" -- WM_NOTIFYFORMAT returns: NFR_UNICODE\n");
}
else {
ERR (" -- WM_NOTIFYFORMAT returns: error!\n");
}
}
SetWindowPos (hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOZORDER | SWP_HIDEWINDOW | SWP_NOACTIVATE);