Don't provide status page when not connected

1 files changed, 12 insertions, 4 deletions

diff --git a/src/MyFilter.cpp b/src/MyFilter.cpp
index 2a7bc67..a15041a 100644
--- a/src/MyFilter.cpp
+++ b/src/MyFilter.cpp
@@ -129,10 +129,18 @@ namespace SaneAudioRenderer
     {

         CheckPointer(pPages, E_POINTER);

 

-        pPages->cElems = 1;

-        pPages->pElems = (GUID*)CoTaskMemAlloc(sizeof(GUID));

-        CheckPointer(pPages->pElems, E_OUTOFMEMORY);

-        *pPages->pElems = __uuidof(MyPropertyPage);

+        if (m_pin->IsConnected())

+        {

+            pPages->cElems = 1;

+            pPages->pElems = (GUID*)CoTaskMemAlloc(sizeof(GUID));

+            CheckPointer(pPages->pElems, E_OUTOFMEMORY);

+            pPages->pElems[0] = __uuidof(MyPropertyPage);

+        }

+        else

+        {

+            pPages->cElems = 0;

+            pPages->pElems = nullptr;

+        }

 

         return S_OK;

     }