/// <summary>
/// Adds a routed event handler for the given
/// RoutedEvent to the store
/// </summary>
public void AddRoutedEventHandler(
RoutedEvent routedEvent,
Delegate handler,
bool handledEventsToo)
{
if (routedEvent == null)
{
throw new ArgumentNullException("routedEvent");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Get the entry corresponding to the given RoutedEvent
ArrayList handlers = this[routedEvent];
if (handlers == null)
{
_keys.Add(routedEvent);
_values.Add(handlers = new ArrayList());
}
// Add the RoutedEventHandlerInfo to the list
handlers.Add(routedEventHandlerInfo);
}
/// <summary>
/// Adds a routed event handler for the given
/// RoutedEvent to the store
/// </summary>
public void AddRoutedEventHandler(
RoutedEvent routedEvent,
Delegate handler,
bool handledEventsToo)
{
if (routedEvent == null)
{
throw new ArgumentNullException("routedEvent");
}
if (handler == null)
{
throw new ArgumentNullException("handler");
}
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Get the entry corresponding to the given RoutedEvent
ArrayList handlers = this[routedEvent];
if (handlers == null)
{
_keys.Add(routedEvent);
_values.Add(handlers = new ArrayList());
}
// Add the RoutedEventHandlerInfo to the list
handlers.Add(routedEventHandlerInfo);
}
/// <summary>
/// Is the given object equivalent to the current one
/// </summary>
public override bool Equals(object obj)
{
RoutedEventHandlerInfo tmp = obj as RoutedEventHandlerInfo;
if (tmp == null)
{
return(false);
}
return(Equals(tmp));
}
/// <summary>
/// Invokes the handler associated with the specified RouteItem
/// </summary>
/// <param name="routeItem">
/// RouteItem containing handler and target
/// </param>
internal void InvokeHandler(RouteItem routeItem)
{
RoutedEventHandlerInfo routedEventHandlerInfo = routeItem._routedEventHandlerInfo;
if (this.Handled == false || routedEventHandlerInfo._handledEventsToo == true)
{
Delegate handler = routedEventHandlerInfo._handler;
_flags |= Flags.InvokingHandler;
try
{
handler.Method.Invoke(handler.Target, new object[] { routeItem._target, this });
}
finally
{
_flags &= ~Flags.InvokingHandler;
}
}
}
/// <summary>
/// Invokes the handler associated with the specified RouteItem
/// </summary>
/// <param name="routeItem">
/// RouteItem containing handler and target
/// </param>
internal void InvokeHandler(RouteItem routeItem)
{
RoutedEventHandlerInfo routedEventHandlerInfo = routeItem._routedEventHandlerInfo;
if (this.Handled == false || routedEventHandlerInfo._handledEventsToo == true)
{
RoutedEventHandler handler = routedEventHandlerInfo._handler;
_flags |= Flags.InvokingHandler;
try
{
handler(routeItem._target, this);
}
finally
{
_flags &= ~Flags.InvokingHandler;
}
}
}
/// <summary>
/// Is the given RoutedEventHandlerInfo equals the current
/// </summary>
public bool Equals(RoutedEventHandlerInfo handlerInfo)
{
return(_handler == handlerInfo._handler && _handledEventsToo == handlerInfo._handledEventsToo);
}
/// <summary>
/// Is the given RoutedEventHandlerInfo equals the current
/// </summary>
public bool Equals(RoutedEventHandlerInfo handlerInfo)
{
return _handler == handlerInfo._handler && _handledEventsToo == handlerInfo._handledEventsToo;
}
private static void AddRoutedEventHandler(
Hashtable table,
RoutedEvent routedEvent,
RoutedEventHandler handler,
bool handledEventsToo)
{
if (routedEvent == null || handler == null)
{
throw new ArgumentNullException();
}
// Create a new RoutedEventHandler
RoutedEventHandlerInfo routedEventHandlerInfo =
new RoutedEventHandlerInfo(handler, handledEventsToo);
// Get the entry corresponding to the given RoutedEvent
ArrayList handlers = (ArrayList)table[routedEvent];
if (handlers == null)
{
table[routedEvent] = (handlers = new ArrayList());
}
// Add the RoutedEventHandlerInfo to the list
handlers.Add(routedEventHandlerInfo);
}
// Constructor for RouteItem
internal RouteItem(object target, RoutedEventHandlerInfo routedEventHandlerInfo)
{
_target = target;
_routedEventHandlerInfo = routedEventHandlerInfo;
}
// Constructor for RouteItem
internal RouteItem(object target, RoutedEventHandlerInfo routedEventHandlerInfo)
{
_target = target;
_routedEventHandlerInfo = routedEventHandlerInfo;
}
