+ else if (msg.Msg == WM_POWERBROADCAST)
+ {
+ switch (msg.WParam.ToInt32())
+ {
+ case PBT_APMSUSPEND:
+ OnSleep();
+ return;
+
+ case PBT_APMRESUMESUSPEND:
+ case PBT_APMRESUMECRITICAL:
+ case PBT_APMRESUMEAUTOMATIC:
+ OnWake();
+ return;
+
+ case PBT_POWERSETTINGCHANGE:
+ {
+ POWERBROADCAST_SETTING pwr = (POWERBROADCAST_SETTING)Marshal.PtrToStructure(msg.LParam, typeof(POWERBROADCAST_SETTING));
+ if (pwr.PowerSetting == GUID_SYSTEM_AWAYMODE && pwr.DataLength == Marshal.SizeOf(typeof(Int32)))
+ {
+ switch (pwr.Data)
+ {
+ case 0:
+ // do _not_ wake the pc when away mode is deactivated
+ //OnWake();
+ //return;
+ case 1:
+ Controller.CECActions.SendStandby(CecLogicalAddress.Broadcast);
+ return;
+ default:
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ // pass up when not handled
+ base.WndProc(ref msg);
+ }
+
+ private void ScreensaverActiveCheck(object sender, EventArgs e)
+ {
+ if (!IsScreensaverActive())
+ {
+ _sstimer.Enabled = false;
+ Controller.CECActions.ActivateSource();
+ }
+ }
+
+ private bool IsScreensaverActive()
+ {
+ int active = 1;
+ SystemParametersInfo(SPI_GETSCREENSAVERRUNNING, 0, ref active, 0);
+ return active == 1;
+ }
+
+ private void OnWake()
+ {
+ Controller.Initialise();
+ }
+
+ private void OnSleep()
+ {
+ Controller.CECActions.SuppressUpdates = true;
+ AsyncDisconnect dc = new AsyncDisconnect(Controller);
+ (new Thread(dc.Process)).Start();