Question

I need to debug a situation that happens when no network connectivity is present for the device.

But how can I simulate this?
As soon as I connect my device using Zune, it get network connectivity automatically.

Answer 1

Use a preprocessor directive, such as #if DEBUG, to return false from a custom method.

Or simply, turn off internet on your PC. You can disable the Local Area Connection or Wireless Network Connection (whatever you use), to disable internet on your PC.

Make sure the phone is in airplane mode at the same time 😉

Example (works on both phone and emulator):

private static bool IsNetworkAvailable()
{
    var available = NetworkInterface.GetIsNetworkAvailable();

#if DEBUG
    available = false;
#endif

    return available;
}