// Token: 0x06000305 RID: 773 RVA: 0x000085D4 File Offset: 0x000067D4
internal static void AddUnloadedCallback(DependencyObject d, DependencyObject logicalParent)
{
DispatcherOperationCallback dispatcherOperationCallback = new DispatcherOperationCallback(BroadcastEventHelper.BroadcastUnloadedEvent);
LoadedOrUnloadedOperation loadedOrUnloadedOperation = MediaContext.From(d.Dispatcher).AddLoadedOrUnloadedCallback(dispatcherOperationCallback, d);
DispatcherOperation dispatcherOperation = d.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, dispatcherOperationCallback, d);
d.SetValue(FrameworkElement.UnloadedPendingPropertyKey, new object[]
{
loadedOrUnloadedOperation,
dispatcherOperation,
logicalParent
});
}
/// <summary>
/// Add the unloaded callback to the MediaContext queue
/// </summary>
internal static void AddUnloadedCallback(DependencyObject d, DependencyObject logicalParent)
{
Debug.Assert(d is FrameworkElement || d is FrameworkContentElement);
DispatcherOperationCallback unloadedCallback = new DispatcherOperationCallback(BroadcastEventHelper.BroadcastUnloadedEvent);
// Add the pending unloaded event information to the MediaContext's pending
// LoadedOrUnloadedCallbacks list so these can be called pre render
LoadedOrUnloadedOperation unloadedOp = MediaContext.From(d.Dispatcher).AddLoadedOrUnloadedCallback(unloadedCallback, d);
// Post to the dispatcher queue as a backup to fire the broadcast
// event in case the tree change never triggers a Layout
DispatcherOperation operation = d.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, unloadedCallback, d);
// Set the UnloadedPending property
d.SetValue(FrameworkElement.UnloadedPendingPropertyKey, new object[] { unloadedOp, operation, logicalParent });
}