/// <summary>
/// 创建地图地图工具箱
/// </summary>
/// <param name="mapObject">地图控件对象</param>
/// <returns></returns>
private IMFToolBox CreateToolBox(object mapObject)
{
IMFToolBox _toolBox = null;
#region 反射
object RetObj = null;
object[] obj = new object[] { mapObject, this };
LibraryInfo info = GetLibraryInfoByName("MapTool", mapEngineType.ToString());
if (info == null)
{
return(null);
}
try
{
Assembly asm = Assembly.Load(info.LibraryName);
Type[] tp = asm.GetTypes();
RetObj = (object)asm.CreateInstance(info.NameSpaceClass, true, BindingFlags.CreateInstance | BindingFlags.Instance | BindingFlags.Public | BindingFlags.IgnoreCase
, null, obj, CultureInfo.CurrentCulture, null);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("通过反射创建IToolBox对象异常：{0}", ex.Message));
return(null);
}
if (null == RetObj)
{
Debug.WriteLine("通过反射创建IToolBox对象失败！");
return(null);
}
_toolBox = RetObj as IMFToolBox;
#endregion
return(_toolBox);
}
/// <summary>
/// 根据类型和名称获取反射库的信息
/// </summary>
/// <param name="type">类型</param>
/// <param name="engineType">地图类型</param>
/// <returns></returns>
private LibraryInfo GetLibraryInfoByName(string type, string engineType)
{
string xmlPath = Path.Combine(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "MapFrame.Config.xml");
if (!File.Exists(xmlPath))
{
return(null);
}
try
{
XmlDocument doc = new XmlDocument();
doc.Load(xmlPath);
string mapType;
if (string.IsNullOrEmpty(engineType))
{
XmlNode runNode = doc.SelectSingleNode("MapFrame/Run");
if (runNode == null)
{
return(null);
}
mapType = runNode.Attributes["value"].InnerXml;
}
else
{
mapType = engineType;
}
LibraryInfo info = null;
if (type == "MapEngine")
{
XmlNode engineNode = doc.SelectSingleNode("MapFrame/MapEngine");
if (engineNode == null)
{
return(null);
}
XmlNodeList engineNodeList = engineNode.ChildNodes;
foreach (XmlNode n in engineNodeList)
{
if (n.Attributes["Type"].InnerXml != mapType)
{
continue;
}
info = new LibraryInfo();
info.LibraryName = n.Attributes["LibraryName"].InnerXml;
info.NameSpaceClass = n.Attributes["NameSpace.Class"].InnerXml;
break;
}
}
else if (type == "MapTool")
{
XmlNode toolNode = doc.SelectSingleNode("MapFrame/MapTool");
if (toolNode == null)
{
return(null);
}
XmlNodeList toolNodeList = toolNode.ChildNodes;
foreach (XmlNode n in toolNodeList)
{
if (n.Attributes["Type"].InnerXml != mapType)
{
continue;
}
info = new LibraryInfo();
info.LibraryName = n.Attributes["LibraryName"].InnerXml;
info.NameSpaceClass = n.Attributes["NameSpace.Class"].InnerXml;
break;
}
}
return(info);
}
catch
{
throw;
}
}