protected internal virtual void TrackViewState()
{
if (ownStateBag)
{
ViewState.TrackViewState();
}
marked = true;
}
/// <summary>
/// Causes the control to track changes to its view state so they can be stored in the object's ViewState property
/// 并将ViewState中所有IStateManager类型项标记为TrackViewState
/// </summary>
protected override void TrackViewState()
{
base.TrackViewState();
ViewState.TrackViewState();
}
/// <internalonly/>
void IStateManager.TrackViewState()
{
_isTracking = true;
ViewState.TrackViewState();
}