public PowerBroadcasts(PowerSettingsNotification notifications, PowerEventProvider provider)
{
this.notificationHandles = new Dictionary <PowerSettingsNotification, IntPtr>();
this.provider = provider;
this.provider.EventReceived += provider_EventReceived;
RegisterNotifications(notifications);
}
public void UnregisterNotifications(PowerSettingsNotification notifications)
{
foreach (PowerSettingsNotification n in notifications.GetFlags())
{
if (this.notificationHandles.ContainsKey(n))
{
NativeMethods.UnregisterPowerSettingNotification(this.notificationHandles[n]);
this.notificationHandles.Remove(n);
}
}
}
public void RegisterNotifications(PowerSettingsNotification notifications)
{
foreach (PowerSettingsNotification n in notifications.GetFlags())
{
if (!this.notificationHandles.ContainsKey(n))
{
Guid guid = Guid.Empty;
switch (n)
{
case PowerSettingsNotification.BatteryPercentage:
guid = NativeMethods.GUID_BATTERY_PERCENTAGE_REMAINING;
break;
case PowerSettingsNotification.LidswitchState:
guid = NativeMethods.GUID_LIDSWITCH_STATE_CHANGE;
break;
case PowerSettingsNotification.PowerSchemePersonality:
guid = NativeMethods.GUID_POWERSCHEME_PERSONALITY;
break;
case PowerSettingsNotification.PowerSource:
guid = NativeMethods.GUID_ACDC_POWER_SOURCE;
break;
case PowerSettingsNotification.DisplayState:
//if (Environment.OSVersion.Version >= NT62Version)
//{
// guid = NativeMethods.GUID_CONSOLE_DISPLAY_STATE;
//}
//else
{
guid = NativeMethods.GUID_MONITOR_POWER_ON;
}
break;
}
IntPtr handle = NativeMethods.RegisterPowerSettingNotification(
this.provider.ReceiverHandle,
ref guid,
(int)this.provider.HandleType);
this.notificationHandles.Add(n, handle);
}
}
}