public PowerNotificationService()
{
SystemEvents.PowerModeChanged += OnPowerModeChanged;
RegisterClass(nameof(PowerNotificationService));
var msgWinHandel = WindowMessageApiImports.CreateWindowEx(0, nameof(PowerNotificationService), "", 0, 0, 0, 0, 0, HwinConstants.HWND_MESSAGE, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
DeviceNotificationHelper.RegisterPowerSettingNotification(msgWinHandel);
}
public DeviceChangedNotificationService()
{
SystemEvents.DisplaySettingsChanged += (_, _) => Debug.WriteLine("@@@@@@@@@@@@@@@@ Settings Changed");
RegisterClass(nameof(DeviceChangedNotificationService));
var msgWinHandel = WindowMessageApiImports.CreateWindowEx(0, nameof(DeviceChangedNotificationService), "", 0, 0, 0, 0, 0, HwinConstants.HWND_MESSAGE, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
DeviceNotificationHelper.RegisterMonitorDeviceNotification(msgWinHandel);
}
protected void RegisterClass(string className)
{
_wndClass = WndClassEx.Build();
_wndClass.lpfnWndProc = WindowProc;
_wndClass.lpszClassName = className;
if (WindowMessageApiImports.RegisterClassEx(ref _wndClass) == 0)
{
Debug.WriteLine($"Failed to {nameof(RegisterClass)} '{className}': {Marshal.GetLastWin32Error()}");
}
}
protected override IntPtr WindowProc(IntPtr hWnd, uint message, IntPtr wParam, IntPtr lParam)
{
Debug.Print($"Window Message: {(WindowMessages)message} params: 0x{wParam:X}");
switch ((WindowMessages)message)
{
case WindowMessages.POWERBROADCAST:
HandlePowerBroadcastMsg(Marshal.PtrToStructure <PowerbroadcastSetting>(lParam));
return(new IntPtr(1));
default:
return(WindowMessageApiImports.DefWindowProc(hWnd, message, wParam, lParam));
}
}
protected override IntPtr WindowProc(IntPtr hWnd, uint message, IntPtr wParam, IntPtr lParam)
{
Debug.Print($"Window Message: {(WindowMessages)message} params: 0x{wParam:X}");
switch ((WindowMessages)message)
{
case WindowMessages.DEVICECHANGE:
Debug.Print($"\t\tDeviceChange");
DeviceChangedMessage?.Invoke(this, EventArgs.Empty);
return(new IntPtr(1));
default:
return(WindowMessageApiImports.DefWindowProc(hWnd, message, wParam, lParam));
}
}
