protected void OnEventReceived(PowerEventArgs e)
{
if (this.EventReceived != null)
{
EventReceived(this, e);
}
}
void window_MessageReceived(object sender, MessageReceivedEventArgs e)
{
if (e.Message.Msg == WM_POWERBROADCAST)
{
var args = new PowerEventArgs()
{
EventType = e.Message.WParam.ToInt32(),
Data = e.Message.LParam
};
OnEventReceived(args);
}
}
protected int HandlerEx(int control, int eventType, IntPtr eventData, IntPtr context)
{
switch (control)
{
case NativeMethods.SERVICE_CONTROL_STOP:
OnServiceStop();
break;
case NativeMethods.SERVICE_CONTROL_PAUSE:
OnServicePause();
break;
case NativeMethods.SERVICE_CONTROL_CONTINUE:
OnServiceContinue();
break;
case NativeMethods.SERVICE_CONTROL_INTERROGATE:
return(NativeMethods.NO_ERROR);
case NativeMethods.SERVICE_CONTROL_SHUTDOWN:
OnServiceShutdown();
break;
case NativeMethods.SERVICE_CONTROL_POWEREVENT:
var args = new PowerEventArgs()
{
EventType = eventType,
Data = eventData
};
OnEventReceived(args);
break;
}
return(NativeMethods.NO_ERROR);
}
void provider_EventReceived(object sender, PowerEventArgs e)
{
if (e.EventType == NativeMethods.PBT_POWERSETTINGCHANGE)
{
var powerSettings = (NativeMethods.POWERBROADCAST_SETTING)Marshal.PtrToStructure(
e.Data, typeof(NativeMethods.POWERBROADCAST_SETTING));
if (powerSettings.PowerSetting == NativeMethods.GUID_ACDC_POWER_SOURCE)
{
var args = new PowerLineStatusEventArgs()
{
PowerCondition = (SystemPowerCondition)powerSettings.Data
};
OnPowerLineStatusChanged(args);
}
else if (powerSettings.PowerSetting == NativeMethods.GUID_BATTERY_PERCENTAGE_REMAINING)
{
var args = new BatteryStatusEventArgs()
{
BatteryPercentageRemaining = (int)powerSettings.Data
};
OnBatteryStatusChanged(args);
}
else if (powerSettings.PowerSetting == NativeMethods.GUID_LIDSWITCH_STATE_CHANGE)
{
var args = new LidswitchStateEventArgs()
{
IsLidOpen = powerSettings.Data != 0
};
OnLidswitchStateChanged(args);
}
else if (powerSettings.PowerSetting == NativeMethods.GUID_POWERSCHEME_PERSONALITY)
{
var args = new PowerSchemeEventArgs();
if (powerSettings.PowerSchemePersonality == NativeMethods.GUID_TYPICAL_POWER_SAVINGS)
{
args.Personality = PowerSchemePersonality.Automatic;
}
else if (powerSettings.PowerSchemePersonality == NativeMethods.GUID_MIN_POWER_SAVINGS)
{
args.Personality = PowerSchemePersonality.PowerSaver;
}
else if (powerSettings.PowerSchemePersonality == NativeMethods.GUID_MAX_POWER_SAVINGS)
{
args.Personality = PowerSchemePersonality.HighPerformance;
}
OnPowerSchemePersonalityChanged(args);
}
else if (powerSettings.PowerSetting == NativeMethods.GUID_MONITOR_POWER_ON ||
powerSettings.PowerSetting == NativeMethods.GUID_CONSOLE_DISPLAY_STATE)
{
var args = new DisplayStateEventArgs()
{
DisplayState = (DisplayState)powerSettings.Data
};
OnDisplayStateChanged(args);
}
}
}
