/* ----------------------------------------------------------------- */
///
/// Configure
///
/// <summary>
/// Sets the PowerModeContext object.
/// </summary>
///
/// <remarks>
/// プログラム上で独自に Power.Mode の状態を更新する必要がある
/// 場合などに利用します。
/// </remarks>
///
/* ----------------------------------------------------------------- */
public static void Configure(PowerModeContext context)
{
Debug.Assert(context != null);
Interlocked.Exchange(ref _context, context).PropertyChanged -= WhenPropertyChanged;
context.PropertyChanged -= WhenPropertyChanged;
context.PropertyChanged += WhenPropertyChanged;
}
/* ----------------------------------------------------------------- */
///
/// Power
///
/// <summary>
/// Initializes a static fields of the Power class.
/// </summary>
///
/* ----------------------------------------------------------------- */
static Power()
{
_context = new PowerModeContext(PowerModes.Resume);
_context.PropertyChanged += WhenPropertyChanged;
_initializer = new OnceInitializer(
() => SystemEvents.PowerModeChanged += WhenModeChanged,
() => SystemEvents.PowerModeChanged -= WhenModeChanged
);
}
/* ----------------------------------------------------------------- */
///
/// Configure
///
/// <summary>
/// Sets the PowerModeContext object.
/// </summary>
///
/// <remarks>
/// プログラム上で独自に Power.Mode の状態を更新する必要がある
/// 場合などに利用します。
/// </remarks>
///
/* ----------------------------------------------------------------- */
public static void Configure(PowerModeContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
Interlocked.Exchange(ref _context, context).PropertyChanged -= WhenPropertyChanged;
context.PropertyChanged -= WhenPropertyChanged;
context.PropertyChanged += WhenPropertyChanged;
}
/* ----------------------------------------------------------------- */
///
/// Power
///
/// <summary>
/// Initializes a static fields of the Power class.
/// </summary>
///
/* ----------------------------------------------------------------- */
static Power()
{
_context = new PowerModeContext(PowerModes.Resume);
_context.PropertyChanged += WhenPropertyChanged;
SystemEvents.PowerModeChanged += WhenModeChanged;
}