private void StateChangingInternal(Object sender, StateChangingEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
e.Cancel = !OnStateChanging(e.Item, e.StateType);
}
/// <summary>
/// Raises StateChanging event of the item.
/// </summary>
/// <param name="stateType">Type of state that changes.</param>
/// <returns>true if event handlers didn't cancel state changes; otherwise, false.</returns>
protected virtual bool OnStateChanging(StateType stateType)
{
if (StateChanging != null)
{
StateChangingEventArgs args = new StateChangingEventArgs(this, stateType);
StateChanging(this, args);
return(!args.Cancel);
}
return(true);
}
/// <summary>
/// Raises StateChanging event of the collection.
/// </summary>
/// <param name="item"></param>
/// <param name="stateType"></param>
/// <returns></returns>
private bool OnStateChanging(IListItem item, StateType stateType)
{
if (StateChanging == null)
{
return(true);
}
StateChangingEventArgs e = new StateChangingEventArgs(item, stateType);
StateChanging(this, e);
return(!e.Cancel);
}