protected void OnDisplayStateChanged(DisplayStateEventArgs args)
{
if (this.DisplayStateChanged != null)
{
DisplayStateChanged(this, args);
}
}
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);
}
}
}