private void OnAfterCollectionChaneg(ReportingCollectionEventArgs e)
{
if (AfterCollectionChanged == null)
{
return;
}
AfterCollectionChanged(this, e);
}
private void OnBeforeCollectionChaneg(ReportingCollectionEventArgs e)
{
if (BeforeCollectionChange == null)
{
return;
}
BeforeCollectionChange(this, e);
}
public bool Remove(T item)
{
ReportingCollectionEventArgs e = new ReportingCollectionEventArgs(item, ReportingCollectionAction.Remove);
OnBeforeCollectionChaneg(e);
if (e.Cancel)
{
return(false);
}
return(items.Remove(item));
}
public void Add(T item)
{
ReportingCollectionEventArgs e = new ReportingCollectionEventArgs(item, ReportingCollectionAction.Add);
OnBeforeCollectionChaneg(e);
if (e.Cancel)
{
return;
}
items.Add(item);
ReportingCollectionEventArgs afterE = new ReportingCollectionEventArgs(items, ReportingCollectionAction.Add);
OnAfterCollectionChaneg(afterE);
}
public void Insert(int index, T item)
{
ReportingCollectionEventArgs e = new ReportingCollectionEventArgs(item, ReportingCollectionAction.Add);
OnBeforeCollectionChaneg(e);
if (e.Cancel)
{
return;
}
items.Insert(index, item);
ReportingCollectionEventArgs afterE = new ReportingCollectionEventArgs(items, ReportingCollectionAction.Remove);
OnAfterCollectionChaneg(afterE);
}
public void Clear()
{
ReportingCollectionEventArgs e = new ReportingCollectionEventArgs(items, ReportingCollectionAction.Remove);
OnBeforeCollectionChaneg(e);
if (e.Cancel)
{
return;
}
items.Clear();
ReportingCollectionEventArgs afterE = new ReportingCollectionEventArgs(items, ReportingCollectionAction.Remove);
OnAfterCollectionChaneg(afterE);
}
public void RemoveAt(int index)
{
ReportingCollectionEventArgs e = new ReportingCollectionEventArgs(items[index], ReportingCollectionAction.Remove);
OnBeforeCollectionChaneg(e);
if (e.Cancel)
{
return;
}
items.RemoveAt(index);
ReportingCollectionEventArgs afterE = new ReportingCollectionEventArgs(items, ReportingCollectionAction.Remove);
OnAfterCollectionChaneg(afterE);
}
public T this[int index]
{
get { return(items[index]); }
set
{
ReportingCollectionEventArgs eBefore = new ReportingCollectionEventArgs(value, ReportingCollectionAction.Edit);
OnBeforeCollectionChaneg(eBefore);
if (eBefore.Cancel)
{
return;
}
items[index] = value;
ReportingCollectionEventArgs eAfter = new ReportingCollectionEventArgs(value, ReportingCollectionAction.Edit);
OnBeforeCollectionChaneg(eAfter);
}
}
