|
public static UnregisterFrame ( |
||
| frame | An instance whose navigation history should no longer be /// managed. | |
| return | void | |
public static void UnregisterFrame(Frame frame)
{
// Remove session state and remove the frame from the list of frames whose navigation
// state will be saved (along with any weak references that are no longer reachable)
SessionState.Remove((String)frame.GetValue(FrameSessionStateKeyProperty));
_registeredFrames.RemoveAll((weakFrameReference) =>
{
Frame testFrame;
return !weakFrameReference.TryGetTarget(out testFrame) || testFrame == frame;
});
}
