[PATCH 2/3] mmdevapi: convert string representation of ContainerId property to CLSID in MMDevice_GetPropValue

[Claire Girka]

From: Claire Girka

---
 dlls/mmdevapi/devenum.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/dlls/mmdevapi/devenum.c b/dlls/mmdevapi/devenum.c
index 19caf36e8d3..0ffd4fd1ad7 100644
--- a/dlls/mmdevapi/devenum.c
+++ b/dlls/mmdevapi/devenum.c
@@ -1450,6 +1450,24 @@ static HRESULT WINAPI MMDevPropStore_GetValue(IPropertyStore *iface, REFPROPERTY
     if (FAILED(hres))
         return hres;

+    /* Clients apps expect a CLSID */
+    if(IsEqualPropertyKey(*key,DEVPKEY_Device_ContainerId) && pv->vt == VT_LPWSTR && pv->pwszVal) {
+        LPWSTR guidstr = pv->pwszVal;
+
+        pv->puuid = CoTaskMemAlloc(sizeof(*pv->puuid));
+        if (!pv->puuid)
+            return E_OUTOFMEMORY;
+
+        hres = CLSIDFromString(guidstr, pv->puuid);
+        if (FAILED(hres))
+            return hres;
+
+        pv->vt = VT_CLSID;
+        CoTaskMemFree(guidstr);
+
+        return hres;
+    }
+
     if (WARN_ON(mmdevapi))
     {
         if ((IsEqualPropertyKey(*key, DEVPKEY_Device_FriendlyName) ||