public void Dispose()
{
_canvasSetting = null;
_zoomSetting = null;
_renderSetting = null;
_zoomStepByScale = null;
_items = null;
_xElemRoot = null;
_subElem = null;
}
private List <ZoomStepByScale> GetZoomStepByScales()
{
_items = new List <ZoomStepByScale>();
foreach (XElement item in _xElemRoot.Descendants("ZoomStepByScale"))
{
_zoomStepByScale = new ZoomStepByScale();
_zoomStepByScale.Minscale = JudgeDoubleIsNull(item.Attribute("minscale"));
_zoomStepByScale.Maxscale = JudgeDoubleIsNull(item.Attribute("maxscale"));
_zoomStepByScale.Steps = (item.Attribute("steps") != null)?Convert.ToInt32(item.Attribute("steps").Value):0;
_items.Add(_zoomStepByScale);
}
return(_items);
}