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//
// Microsoft.Win32.SystemEvents.cs
//
// Authors:
// Johannes Roith (johannes@jroith.de)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) 2002 Johannes Roith
// (C) 2003 Andreas Nahr
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.ComponentModel;
using System.Security.Permissions;
using System.Timers;
namespace Microsoft.Win32 {
[PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
public sealed class SystemEvents
{
private static Hashtable TimerStore = new Hashtable ();
private SystemEvents ()
{
}
// You can use timers using the CreateTimer, KillTimer methods and the Timerelapsed event
// This is only a partial solution, as it only works in managed code.
// TODO implement this on OS level
// Till done this solution should work if you are only using the mentioned members
public static IntPtr CreateTimer (int interval)
{
Guid Ident = Guid.NewGuid ();
int IdentValue = Ident.GetHashCode ();
Timer t = new System.Timers.Timer (interval);
t.Elapsed += new ElapsedEventHandler (InternalTimerElapsed);
TimerStore.Add (IdentValue, t);
return new IntPtr (IdentValue);
}
public static void KillTimer (IntPtr timerId)
{
Timer t = (Timer) TimerStore[timerId.GetHashCode()];
t.Stop ();
t.Elapsed -= new ElapsedEventHandler (InternalTimerElapsed);
t.Dispose ();
TimerStore.Remove (timerId.GetHashCode());
}
private static void InternalTimerElapsed (object e, ElapsedEventArgs args)
{
if (TimerElapsed != null)
TimerElapsed (null, new TimerElapsedEventArgs (IntPtr.Zero));
}
[MonoTODO]
public static void InvokeOnEventsThread(Delegate method)
{
throw new System.NotImplementedException ();
}
[MonoTODO]
public static event System.EventHandler DisplaySettingsChanged
{
add { }
remove { }
}
#if NET_2_0
[MonoTODO("Currently does nothing on Mono")]
public static event EventHandler DisplaySettingsChanging {
add { }
remove { }
}
#endif
[MonoTODO("Currently does nothing on Mono")]
public static event System.EventHandler EventsThreadShutdown
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
public static event System.EventHandler InstalledFontsChanged
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
#if NET_2_0
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
[Obsolete ("")]
#endif
public static event System.EventHandler LowMemory
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
public static event System.EventHandler PaletteChanged
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
public static event PowerModeChangedEventHandler PowerModeChanged
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
public static event SessionEndedEventHandler SessionEnded
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
public static event SessionEndingEventHandler SessionEnding
{
add { }
remove { }
}
#if NET_2_0
[MonoTODO("Currently does nothing on Mono")]
public static event SessionSwitchEventHandler SessionSwitch {
add { }
remove { }
}
#endif
[MonoTODO("Currently does nothing on Mono")]
public static event System.EventHandler TimeChanged
{
add { }
remove { }
}
public static event TimerElapsedEventHandler TimerElapsed;
[MonoTODO("Currently does nothing on Mono")]
public static event UserPreferenceChangedEventHandler UserPreferenceChanged
{
add { }
remove { }
}
[MonoTODO("Currently does nothing on Mono")]
public static event UserPreferenceChangingEventHandler UserPreferenceChanging
{
add { }
remove { }
}
}
}
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