/// <summary>
/// This method is called when a Windows message
/// is sent to this window.
/// The method calls the registered event handlers.
/// </summary>
protected override void WndProc(ref Message m)
{
// Make sure it is a Power Management message.
if (m.Msg == PowerManagementNativeMethods.PowerBroadcastMessage &&
(int)m.WParam == PowerManagementNativeMethods.PowerSettingChangeMessage)
{
PowerManagementNativeMethods.PowerBroadcastSetting ps =
(PowerManagementNativeMethods.PowerBroadcastSetting)Marshal.PtrToStructure(
m.LParam, typeof(PowerManagementNativeMethods.PowerBroadcastSetting));
IntPtr pData = new IntPtr(m.LParam.ToInt64() + Marshal.SizeOf(ps));
Guid currentEvent = ps.PowerSetting;
// IsMonitorOn
if (ps.PowerSetting == EventManager.MonitorPowerStatus &&
ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 monitorStatus = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
PowerManager.IsMonitorOn = monitorStatus != 0;
EventManager.monitorOnReset.Set();
}
if (!EventManager.IsMessageCaught(currentEvent))
{
ExecuteEvents((ArrayList)eventList[currentEvent]);
}
}
else
{
base.WndProc(ref m);
}
}
/// <summary>
/// This method is called when a Windows message
/// is sent to this window.
/// The method calls the registered event handlers.
/// </summary>
protected override void WndProc(ref Message m)
{
// Make sure it is a Power Management message.
if (m.Msg == PowerManagementNativeMethods.WM_POWERBROADCAST && (int)m.WParam == PowerManagementNativeMethods.PBT_POWERSETTINGCHANGE)
{
PowerManagementNativeMethods.PowerBroadcastSetting ps =
(PowerManagementNativeMethods.PowerBroadcastSetting)Marshal.PtrToStructure(
m.LParam, typeof(PowerManagementNativeMethods.PowerBroadcastSetting));
IntPtr pData = new IntPtr(m.LParam.ToInt64() + Marshal.SizeOf(ps));
Guid currentEvent = ps.PowerSetting;
// Update the appropriate Property.
// Power Personality
if (ps.PowerSetting == EventManager.PowerPersonalityChange &&
ps.DataLength == Marshal.SizeOf(typeof(Guid)))
{
Guid newPersonality =
(Guid)Marshal.PtrToStructure(pData, typeof(Guid));
PowerManager.powerPersonality = PersonalityGuids.GuidToEnum(newPersonality);
// Tell PowerManager that is now safe to
// read the powerPersonality member.
EventManager.personalityReset.Set();
}
// Power Source
else if (ps.PowerSetting == EventManager.PowerSourceChange &&
ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 powerSrc = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
PowerManager.powerSource = (PowerSource)powerSrc;
EventManager.powerSrcReset.Set();
}
// Battery capacity
else if (ps.PowerSetting == EventManager.BatteryCapacityChange &&
ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 battCapacity = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
PowerManager.batteryLifePercent = battCapacity;
EventManager.batteryLifeReset.Set();
}
// IsMonitorOn
else if (ps.PowerSetting == EventManager.MonitorPowerStatus &&
ps.DataLength == Marshal.SizeOf(typeof(Int32)))
{
Int32 monitorStatus = (Int32)Marshal.PtrToStructure(pData, typeof(Int32));
PowerManager.isMonitorOn = monitorStatus == 0 ? false : true;
EventManager.monitorOnReset.Set();
}
if (!EventManager.IsMessageCaught(currentEvent))
{
ExecuteEvents((ArrayList)eventList[currentEvent]);
}
}
else
{
base.WndProc(ref m);
}
}