// user clicks confirm button
public void EndEdit()
{
if (!_inEdit)
{
return;
}
_inEdit = false;
_backupCopy = null;
}
// changes start being entered by user
public void BeginEdit()
{
if (_inEdit)
{
return;
}
_inEdit = true;
_backupCopy = this.MemberwiseClone() as MetadataUpdate;
}