public bool WndProc(ref System.Windows.Forms.Message msg)
{
if ((msg.Msg == WindowsAPI.WM_SYSCOMMAND) &&
(msg.WParam.ToInt32() & 0xfff0) == WindowsAPI.SC_SCREENSAVE)
{
// there's no event for screensaver exit
OnScreensaverActivated(true);
}
else if (msg.Msg == WindowsAPI.WM_POWERBROADCAST)
{
switch (msg.WParam.ToInt32())
{
case WindowsAPI.PBT_APMSUSPEND:
PowerStatusChanged?.Invoke(this, new SystemPowerChange(SystemPowerState.Standby));
return(true);
case WindowsAPI.PBT_APMRESUMESUSPEND:
case WindowsAPI.PBT_APMRESUMECRITICAL:
case WindowsAPI.PBT_APMRESUMEAUTOMATIC:
PowerStatusChanged?.Invoke(this, new SystemPowerChange(SystemPowerState.Wake));
return(true);
case WindowsAPI.PBT_POWERSETTINGCHANGE:
{
WindowsAPI.POWERBROADCAST_SETTING pwr = (WindowsAPI.POWERBROADCAST_SETTING)Marshal.PtrToStructure(msg.LParam, typeof(WindowsAPI.POWERBROADCAST_SETTING));
if (pwr.PowerSetting == WindowsAPI.GUID_SYSTEM_AWAYMODE && pwr.DataLength == Marshal.SizeOf(typeof(Int32)))
{
switch (pwr.Data)
{
case 0:
PowerStatusChanged?.Invoke(this, new SystemPowerChange(SystemPowerState.AwayExit));
return(true);
case 1:
PowerStatusChanged?.Invoke(this, new SystemPowerChange(SystemPowerState.AwayEnter));
return(true);
default:
break;
}
}
}
break;
default:
break;
}
}
// pass up when not handled
return(false);
}
private void PowerModeChanged(object sender, PowerModeChangedEventArgs e)
{
if (e.Mode == PowerModes.Resume)
{
PowerStatusChanged?.Invoke(this, new PowerChangeStatusEventArgs(PowerChangeStatus.Resuming));
}
else if (e.Mode == PowerModes.Suspend)
{
PowerStatusChanged?.Invoke(this, new PowerChangeStatusEventArgs(PowerChangeStatus.Suspending));
}
else if (e.Mode == PowerModes.StatusChange)
{
PowerStatusChanged?.Invoke(this, new PowerChangeStatusEventArgs(PowerChangeStatus.StatusChanged));
}
}
public void Toggle(string notes)
{
IsOn = !IsOn;
PowerStatusChanged?.Invoke(this, new LightBulbPowerStatusChangedEventArgs(IsOn, notes));
}