1 files changed, 102 insertions, 0 deletions
diff --git a/network/radio/RadioManagerSample/cpp/SampleInstanceCollection.cpp b/network/radio/RadioManagerSample/cpp/SampleInstanceCollection.cpp
new file mode 100644
index 00000000..5a4371de
--- /dev/null
+++ b/network/radio/RadioManagerSample/cpp/SampleInstanceCollection.cpp
@@ -0,0 +1,102 @@
+#include "precomp.h"
+#pragma hdrstop
+
+HRESULT CRadioInstanceCollection_CreateInstance(
+    _In_                            DWORD cInstances,
+    _In_reads_(cInstances)          IRadioInstance **rgpIRadioInstance,
+    _COM_Outptr_                    IRadioInstanceCollection **ppInstanceCollection)
+{
+    return CRadioInstanceCollection::CreateInstance(cInstances, rgpIRadioInstance, ppInstanceCollection);
+}
+
+void CRadioInstanceCollection::FinalRelease()
+{
+    POSITION p;
+    while (nullptr != (p = _listRadioInstances.GetHeadPosition()))
+    {
+        IRadioInstance *pRadioInstance = _listRadioInstances.GetAt(p);
+        pRadioInstance->Release();
+        _listRadioInstances.SetAt(p, nullptr);
+        _listRadioInstances.RemoveHeadNoReturn();
+    }
+}
+
+// static
+HRESULT CRadioInstanceCollection::CreateInstance(
+    _In_                            DWORD cInstances,
+    _In_reads_(cInstances)       IRadioInstance **rgpIRadioInstance,
+    _COM_Outptr_                    IRadioInstanceCollection **ppInstanceCollection)
+{
+    HRESULT hr;
+    CComObject<CRadioInstanceCollection> *pInstanceCollection;
+    CComPtr<IRadioInstanceCollection> spInstanceCollection;
+
+    *ppInstanceCollection = nullptr;
+
+    hr = CComObject<CRadioInstanceCollection>::CreateInstance(&pInstanceCollection);
+
+    if (SUCCEEDED(hr) && (pInstanceCollection != nullptr))
+    {
+        hr = pInstanceCollection->QueryInterface(IID_PPV_ARGS(&spInstanceCollection));
+    }
+
+    if (SUCCEEDED(hr) && (pInstanceCollection != nullptr))
+    {
+        for (DWORD dwIndex = 0; dwIndex < cInstances; dwIndex++)
+        {
+            _ATLTRY
+            {
+                pInstanceCollection->_listRadioInstances.AddTail(rgpIRadioInstance[dwIndex]);
+                rgpIRadioInstance[dwIndex]->AddRef();
+            }
+            _ATLCATCH(e)
+            {
+                hr = e;
+                break;
+            }
+        }
+    }
+
+    if (SUCCEEDED(hr))
+    {
+        *ppInstanceCollection = spInstanceCollection.Detach();
+    }
+
+    return hr;
+}
+
+IFACEMETHODIMP CRadioInstanceCollection::GetCount(_Out_ UINT32 *pcInstance)
+{
+    if (nullptr == pcInstance)
+    {
+        return E_INVALIDARG;
+    }
+
+    *pcInstance = static_cast<UINT32>(_listRadioInstances.GetCount());
+    return S_OK;
+}
+
+IFACEMETHODIMP CRadioInstanceCollection::GetAt(_In_ UINT32 uIndex, _COM_Outptr_ IRadioInstance **ppRadioInstance)
+{
+    if (nullptr == ppRadioInstance)
+    {
+        return E_INVALIDARG;
+    }
+
+    HRESULT hr;
+    *ppRadioInstance = nullptr;
+
+    POSITION p = _listRadioInstances.FindIndex(uIndex);
+    *ppRadioInstance = _listRadioInstances.GetAt(p);
+    if (nullptr != *ppRadioInstance)
+    {
+        (*ppRadioInstance)->AddRef();
+        hr = S_OK;
+    }
+    else
+    {
+        hr = E_FAIL;
+    }
+
+    return hr;
+}