/// <summary>
/// Helper method to remove weakhandler from the list.
/// </summary>
private static void RemoveKeyTipFocusEventHandler(KeyTipFocusEventHandler handler, List<WeakReference> handlerList)
{
if (handlerList != null)
{
lock (handlerList)
{
for (int i = 0; i < handlerList.Count; i++)
{
KeyTipFocusEventHandler current = handlerList[i].Target as KeyTipFocusEventHandler;
if (current == null || current == handler)
{
handlerList.RemoveAt(i);
i--;
}
}
}
}
}
/// <summary>
/// Helper method to add weakhandler to the list
/// </summary>
private static void AddKeyTipFocusEventHandler(KeyTipFocusEventHandler handler, ref List<WeakReference> handlerList)
{
if (handlerList == null)
handlerList = new List<WeakReference>(1);
lock (handlerList)
{
// Cleanup the list in case some of the weakEnterMenuModeHandlers is disposed
for (int i = 0; i < handlerList.Count; i++)
{
if (!handlerList[i].IsAlive)
{
handlerList.RemoveAt(i);
i--;
}
}
handlerList.Add(new WeakReference(handler));
}
}
