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shell32: SHCreatePropSheetExtArrayEx should check if the key itself contains the clsid of the shell extension.

This commit is contained in:
David Hedberg 2010-03-16 01:32:45 +01:00 committed by Alexandre Julliard
parent 990a319750
commit 50c7cf5111
1 changed files with 26 additions and 20 deletions
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10
dlls/shell32/shellord.c
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@ -1807,12 +1807,19 @@ HPSXA WINAPI SHCreatePropSheetExtArrayEx(HKEY hKey, LPCWSTR pszSubKey, UINT max_
break;
}
/* The CLSID is stored either in the key itself or in its default value. */
if (!SUCCEEDED(lRet = SHCLSIDFromStringW(szHandler, &clsid)))
{
dwClsidSize = sizeof(szClsidHandler);
if (SHGetValueW(hkPropSheetHandlers, szHandler, NULL, NULL, szClsidHandler, &dwClsidSize) == ERROR_SUCCESS)
{
/* Force a NULL-termination and convert the string */
szClsidHandler[(sizeof(szClsidHandler) / sizeof(szClsidHandler[0])) - 1] = 0;
if (SUCCEEDED(SHCLSIDFromStringW(szClsidHandler, &clsid)))
lRet = SHCLSIDFromStringW(szClsidHandler, &clsid);
}
}
if (SUCCEEDED(lRet))
{
/* Attempt to get an IShellPropSheetExt and an IShellExtInit instance.
Only if both interfaces are supported it's a real shell extension.
@ -1836,7 +1843,6 @@ HPSXA WINAPI SHCreatePropSheetExtArrayEx(HKEY hKey, LPCWSTR pszSubKey, UINT max_
pspsx->lpVtbl->Release(pspsx);
}
}
}
} while (psxa->uiCount != psxa->uiAllocated);
}