//----
/// <summary>
/// Gets a possible shared instance of this class.
/// </summary>
/// -
/// <remarks>
/// <para>If more that one piece of code is using this class then there
/// is no need for each to have a private instance. This method allows
/// them to access a shared instance. When first called it creates a
/// new instance and keeps a weak-reference to it. Subsequent callers
/// will then get the same instance. The instance is kept alive only
/// as long as at least one caller keeps a reference to it. If no
/// references are kept then the instance will be deleted and a new
/// instance will be created when this method is next called.
/// </para>
/// </remarks>
/// -
/// <returns>An instance of this class.
/// </returns>
public static BluetoothWin32Events GetInstance()
{
#if NETCF
throw new NotSupportedException("BluetoothWin32Events is Win32 only.");
#else
var weakRef = _instance;
object target;
if (weakRef == null || (target = weakRef.Target) == null)
{
target = new BluetoothWin32Events();
_instance = new WeakReference(target);
}
else
{
target.ToString(); // COVERAGE
}
return((BluetoothWin32Events)target);
#endif
}
internal BtEventsForm(BluetoothWin32Events parent)
{
_parent = parent;
this.Text = "32feet.NET WM_DEVICECHANGE Window";
}
