/// <summary>
/// Adds or removes handlers to Shutdown dispatcher event depending on the specified
/// parameters.
/// </summary>
static private void AddRemoveShutdownEvents(Dispatcher dispatcher, DispatcherShutdownEventsNames eventName, EventHandler callback, bool add)
{
int action = (int)eventName;
switch (action)
{
case 0:
if (add)
{
dispatcher.ShutdownStarted += callback;
}
else
{
dispatcher.ShutdownStarted -= callback;
}
break;
case 1:
if (add)
{
dispatcher.ShutdownFinished += callback;
}
else
{
dispatcher.ShutdownFinished -= callback;
}
break;
}
}
/// <summary>
/// Adds or removes handlers to Shutdown dispatcher event depending on the specified
/// parameters.
/// </summary>
static public void RemoveHandlerShutdownEvents(Dispatcher dispatcher, DispatcherShutdownEventsNames eventName, EventHandler callback)
{
AddRemoveShutdownEvents(dispatcher, eventName, callback, false);
}
/// <summary>
/// Adds or removes handlers to Shutdown dispatcher event depending on the specified
/// parameters.
/// </summary>
static public void AddHandlerShutdownEvents(DispatcherShutdownEventsNames eventName, EventHandler callback)
{
AddRemoveShutdownEvents(Dispatcher.CurrentDispatcher, eventName, callback, true);
}
