//********************************************************************************************
// Function: RegisterForDestinationCostChangeNotifications
//
// Description: Registers for Destination cost change notifications, and waits in the message loop.
//
//********************************************************************************************
static void RegisterForDestinationCostChangeNotifications()
{
var hr = GetDestinationAddress(out var sockAddr);
if (hr == HRESULT.S_OK)
{
//Registration is allowed only once, before unregister.
if (g_pSinkDestCostMgr is null)
{
try
{
g_pSinkDestCostMgr = CNetCostEventSink.StartListeningForEvents(typeof(INetworkCostManagerEvents).GUID, sockAddr);
Console.Write("Listening for Destination address based cost change events...\n");
}
catch (Exception ex)
{
Console.Write("Registration failed, please try again. \n");
hr = ex.HResult;
}
}
else
{
Console.Write("You have already registered for Destination cost notifications. Please unregister before registering for events again.\n");
Console.Write("The Win32 Cost API feature allows multiple registrations, but the sample SDK does not allow this. \n");
}
}
DisplayError(hr);
}
//********************************************************************************************
// Function: UnRegisterForConnectionCostChangeNotifications
//
// Description:
//
//********************************************************************************************
static void UnRegisterForConnectionCostChangeNotifications()
{
if (g_pSinkConnectionCostMgr != null)
{
g_pSinkConnectionCostMgr.Dispose();
Console.Write("Successfully cancelled Registration for Connection Cost Notifications\n");
g_pSinkConnectionCostMgr = default;
}
else
{
Console.Write("You have not registered for Connection cost Notifications\n");
}
}
//********************************************************************************************
// Function: RegisterForMachineCostChangeNotifications
//
// Description: Registers for machine cost change notifications, and waits in the message loop.
//
//********************************************************************************************
static void RegisterForMachineCostChangeNotifications()
{
//Registration is allowed only once, before unregister.
if (g_pSinkCostMgr is null)
{
try
{
g_pSinkCostMgr = CNetCostEventSink.StartListeningForEvents(typeof(INetworkCostManagerEvents).GUID);
Console.Write("Listening for Machine cost change events...\n");
}
catch (Exception ex)
{
Console.Write("Registration failed, please try again. \n");
DisplayError(ex.HResult);
}
}
else
{
Console.Write("You have already registered for Machine cost notifications. Please unregister before registering for events again.\n");
Console.Write("The Win32 Cost API feature allows multiple registrations, but the sample SDK does not allow this. \n");
}
}
