/// <summary>
/// 是否存在指定键的插件。若存在于m_Pluginlist中，则添加到m_LoadPlugins中
/// 实现Plugins.StartPlugin接口
/// </summary>
/// <param name="key">插件的Key</param>
/// <returns></returns>
public bool StartPlugin(string key)
{
if (m_Locked)
{
return(false);
}
MapWinGIS.Interfaces.IPlugin plugin;
PluginInfo info;
if (m_LoadedPlugins.ContainsKey(key))//在m_LoadedPlugins中搜索,有 - 已经加载不再加载
{
return(true);
}
if (m_PluginList.ContainsKey(key)) //在m_PluginList中搜索，有 - 创建实例，添加到m_LoadedPlugins中
{
try
{
info = m_PluginList[key];
plugin = (IPlugin)(PluginManagementTools.CreatePluginObject(info.FileName, info.CreateString));
if (plugin == null)
{
return(false);
}
m_LoadedPlugins.Add(info.Key, plugin);
plugin.Initialize(Program.frmMain, Program.frmMain.Handle.ToInt32());//调用插件中的方法进行初始化
Program.frmMain.SynchPluginMenu();
return(true);
}
catch (Exception ex)
{
Program.g_error = "插件出现错误: " + ex.ToString();
Program.ShowError(ex);
return(false);
}
}
else
{
return(false);
}
}
/// <summary>
/// 从ApplicationPlugins文件夹中加载内部插件
/// </summary>
/// <param name="applicationPluginPath"></param>
internal void LoadApplicationPlugins(string applicationPluginPath)
{
if (applicationPluginPath == "" || !System.IO.Directory.Exists(applicationPluginPath))
{
return;
}
ArrayList arr = new ArrayList();
try
{
ArrayList potentialPlugins = PluginManagementTools.FindPluginDLLs(applicationPluginPath);
PluginInfo info;
IPlugin plugin;
foreach (string pluginName in potentialPlugins)
{
info = new PluginInfo();
if (info.Init(pluginName, typeof(IPlugin).GUID))
{
if (info.Key != null && !m_ApplicationPlugins.ContainsKey(info.Key))
{
plugin = (IPlugin)PluginManagementTools.CreatePluginObject(pluginName, info.CreateString);
if (plugin != null)
{
m_ApplicationPlugins.Add(info.Key, plugin);
plugin.Initialize(Program.frmMain, Program.frmMain.Handle.ToInt32());
}
}
}
}
}
catch (Exception e)
{
MapWinGIS.Utility.Logger.Dbg(e.ToString());
}
}