/// <summary>
/// Remove the device by deleting it from the Registry.
/// </summary>
/// <param name="device">The device address.</param>
/// <returns>Whether the device is deleted -- it is no longer a remembered device.
/// </returns>
internal static bool DeleteKnownDevice(BluetoothAddress device)
{
string itemName = GetWidcommDeviceKeyName(device);
using (RegistryKey rkDevices = Registry.LocalMachine.OpenSubKey(DevicesRegPath, true)) {
using (RegistryKey theOne = rkDevices.OpenSubKey(itemName, false)) {
if (theOne == null) // Isn't present.
{
return(true);
}
}
try {
rkDevices.DeleteSubKeyTree(itemName);
return(true);
} catch (System.Security.SecurityException ex) {
Utils.MiscUtils.Trace_WriteLine("DeleteKnownDevice DeleteSubKeyTree(" + itemName + "): "
+ ExceptionExtension.ToStringNoStackTrace(ex));
} catch (UnauthorizedAccessException ex) {
Utils.MiscUtils.Trace_WriteLine("DeleteKnownDevice DeleteSubKeyTree(" + itemName + "): "
+ ExceptionExtension.ToStringNoStackTrace(ex));
}
return(false);
}
}
private static void GetStacks_inLock()
{
List_BluetoothFactory list = new List_BluetoothFactory();
List_Exception errors = new List_Exception();
var stacks = new System.Collections.Generic.List <string>(
BluetoothFactoryConfig.KnownStacks);
TraceWriteLibraryVersion();
foreach (string factoryName in stacks)
{
try {
Type t = Type.GetType(factoryName, true);
Debug.Assert(t != null, string.Format(System.Globalization.CultureInfo.InvariantCulture,
"Expected GetType to throw when type not found: '{0}'", factoryName));
object tmp = Activator.CreateInstance(t);
Debug.Assert(tmp != null, "Expect all failures to throw rather than return null.");
IBluetoothFactoryFactory ff = tmp as IBluetoothFactoryFactory;
if (ff == null)
{
list.Add((BluetoothFactory)tmp);
}
else // BluetoothFactoryFactory!
{
IList_BluetoothFactory multiple = ff.GetFactories(errors);
if (multiple != null)
{
Debug.WriteLine(string.Format(System.Globalization.CultureInfo.InvariantCulture,
"BluetoothFactoryFactory '{0}' supplied {1} items.",
ff.GetType().AssemblyQualifiedName, multiple.Count));
list.AddRange(multiple);
}
else
{
Debug.WriteLine(string.Format(System.Globalization.CultureInfo.InvariantCulture,
"BluetoothFactoryFactory '{0}' returned null.", ff.GetType().AssemblyQualifiedName));
}
}
if (BluetoothFactoryConfig.OneStackOnly)
{
break;
}
} catch (Exception ex) {
if (ex is System.Reflection.TargetInvocationException)
{
Debug.Assert(ex.InnerException != null, "We know from the old }catch(TIEX){throw ex.InnerEx;} that this is non-null");
ex = ex.InnerException;
}
errors.Add(ex);
string msg = string.Format(System.Globalization.CultureInfo.InvariantCulture,
"Exception creating factory '{0}, ex: {1}", factoryName, ex);
if (BluetoothFactoryConfig.ReportAllErrors)
{
Utils.MiscUtils.Trace_Fail(msg); // (No Trace.Fail on NETCF).
}
Debug.WriteLine(msg);
}
}//for
if (list.Count == 0)
{
if (!BluetoothFactoryConfig.ReportAllErrors) // Have been reported above.
{
foreach (Exception ex in errors)
{
string info = ExceptionExtension.ToStringNoStackTrace(ex);
Utils.MiscUtils.Trace_WriteLine(info);
}
}
#if !NO_WIDCOMM
// Special case Widcomm -- report if stacks seems there, but not our DLL.
Exception wcNoInterfaceDll = null;
try {
wcNoInterfaceDll = Widcomm.WidcommBtIf.IsWidcommStackPresentButNotInterfaceDll();
} catch (Exception ex) {
// Maybe a P/Invoke exception calling GetModuleHandle
if (Environment.OSVersion.Platform.ToString().StartsWith("Win", StringComparison.Ordinal))
{
// Don't complain in Linux etc.
Utils.MiscUtils.Trace_WriteLine("Exception in IsWidcommStackPresentButNotInterfaceDll: " + ex);
}
}
if (wcNoInterfaceDll != null)
{
throw wcNoInterfaceDll;
}
#endif
throw new PlatformNotSupportedException("No supported Bluetooth protocol stack found.");
}
else
{
SetFactories_inLock(list);
}
// result
#if !ANDROID
Debug.WriteLine(string.Format(System.Globalization.CultureInfo.InvariantCulture,
"Num factories: {1}, Primary Factory: {0}",
(s_factories == null ? "(null)" : s_factories[0].GetType().Name),
(s_factories == null ? "(null)" : s_factories.Count.ToString())));
#endif
}
