private void CloseProgressor()
{
if (_progressor != null)
{
_progressor.close();
_progressor = null;
}
}
public override bool Next()
{
if (_current == null)
{
_current = _progressors.RemoveFirst();
}
while (_current != null)
{
if (_current.next())
{
return(true);
}
else
{
_current.close();
_current = _progressors.RemoveFirst();
}
}
return(false);
}