static NANDService()
{
Validator = DefaultValidator;
// Create event handlers to detect when a device is added or removed
CreateWatcher = new ManagementEventWatcher();
WqlEventQuery createQuery = new WqlEventQuery("SELECT * FROM __InstanceCreationEvent WITHIN 2 WHERE TargetInstance ISA 'Win32_DiskDrive'");
CreateWatcher.EventArrived += new EventArrivedEventHandler((s, e) =>
{
if (NAND == null) // ignore if we already found the Switch
{
Refresh();
}
});
CreateWatcher.Query = createQuery;
DeleteWatcher = new ManagementEventWatcher();
WqlEventQuery deleteQuery = new WqlEventQuery("SELECT * FROM __InstanceDeletionEvent WITHIN 2 WHERE TargetInstance ISA 'Win32_DiskDrive'");
DeleteWatcher.EventArrived += new EventArrivedEventHandler((s, e) =>
{
if (NAND != null) // ignore if we haven't found a Switch yet
{
if (CurrentDisk != null)
{ // means the NAND is access over USB, so we need to determine if it
bool found = false;
foreach (DiskInfo info in CreateDiskInfos(GetDisks())) // search to see if we can match the DiskInfo with an existing device
{
if (info.PhysicalName.Equals(CurrentDisk.PhysicalName))
{
found = true;
break;
}
}
if (!found)
{
OnNANDRemoved?.Invoke();
}
}
}
});
DeleteWatcher.Query = deleteQuery;
}
public static void ResetHandlers()
{
// Clear event handlers
if (OnNANDPluggedIn != null)
{
foreach (Delegate d in OnNANDPluggedIn.GetInvocationList())
{
OnNANDPluggedIn -= (NANDChangedEventHandler)d;
}
}
if (OnNANDRemoved != null)
{
foreach (Delegate d in OnNANDRemoved.GetInvocationList())
{
OnNANDRemoved -= (NANDChangedEventHandler)d;
}
}
// Reset validator to default
Validator = DefaultValidator;
}
