/// <summary>
/// 移除图元
/// </summary>
/// <param name="elementName">图元名称</param>
/// <returns>true，成功；false，失败</returns>
public bool RemoveElement(string elementName)
{
if (string.IsNullOrEmpty(elementName))
{
return(false);
}
bool ret = false;
IMFElement element = null;
lock (_elementDic)
{
if (!_elementDic.ContainsKey(elementName))
{
return(false);
}
element = _elementDic[elementName];
}
if (element != null)
{
ret = _mapFactory.RemoveElement(LayerName, element);
}
if (ret)
{
lock (_elementDic)
{
_elementDic.Remove(elementName);
}
_mapFactory.Refresh();
}
return(ret);
}