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[SHELL32]

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- Add NULL checks in IShellView and IDropTarget implementations. Should fix bug #5780.

svn path=/trunk/; revision=50114
This commit is contained in:
Roel Messiant 2010-12-23 15:38:14 +00:00
parent aa62a1a2a6
commit 3bb6178e68
1 changed files with 21 additions and 5 deletions
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26
reactos/dll/win32/shell32/shlview.c
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@ -2072,7 +2072,14 @@ static HRESULT WINAPI IShellView_fnCreateViewWindow(
TRACE("(%p)->(shlview=%p set=%p shlbrs=%p rec=%p hwnd=%p) incomplete\n",This, lpPrevView,lpfs, psb, prcView, phWnd);
TRACE("-- vmode=%x flags=%x left=%i top=%i right=%i bottom=%i\n",lpfs->ViewMode, lpfs->fFlags ,prcView->left,prcView->top, prcView->right, prcView->bottom);
if (lpfs != NULL)
TRACE("-- vmode=%x flags=%x\n", lpfs->ViewMode, lpfs->fFlags);
if (prcView != NULL)
TRACE("-- left=%i top=%i right=%i bottom=%i\n", prcView->left, prcView->top, prcView->right, prcView->bottom);
/* Validate the Shell Browser */
if (psb == NULL)
return E_UNEXPECTED;
/*set up the member variables*/
This->pShellBrowser = psb;
@ -2534,8 +2541,13 @@ static HRESULT WINAPI ISVDropTarget_DragLeave(IDropTarget *iface) {
IDropTarget_Release(This->pCurDropTarget);
This->pCurDropTarget = NULL;
}
IDataObject_Release(This->pCurDataObject);
This->pCurDataObject = NULL;
if (This->pCurDataObject != NULL)
{
IDataObject_Release(This->pCurDataObject);
This->pCurDataObject = NULL;
}
This->iDragOverItem = 0;
return S_OK;
@ -2553,8 +2565,12 @@ static HRESULT WINAPI ISVDropTarget_Drop(IDropTarget *iface, IDataObject* pDataO
This->pCurDropTarget = NULL;
}
IDataObject_Release(This->pCurDataObject);
This->pCurDataObject = NULL;
if (This->pCurDataObject != NULL)
{
IDataObject_Release(This->pCurDataObject);
This->pCurDataObject = NULL;
}
This->iDragOverItem = 0;
return S_OK;