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Add check for global handles to NtGdiDeleteDC, this prevents applications from destroying DCs that are part of DCEs.
svn path=/trunk/; revision=16748
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@ -962,10 +962,17 @@ NtGdiDeleteDC(HDC DCHandle)
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{
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{
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PDC DCToDelete;
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PDC DCToDelete;
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if (!GDIOBJ_OwnedByCurrentProcess(DCHandle))
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{
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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DCToDelete = DC_LockDc(DCHandle);
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DCToDelete = DC_LockDc(DCHandle);
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if (DCToDelete == NULL)
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if (DCToDelete == NULL)
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{
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{
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return FALSE;
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SetLastWin32Error(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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}
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/* First delete all saved DCs */
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/* First delete all saved DCs */
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