public List <iS3MenuItem> LoadExtension()
{
var allAssemblies = AppDomain.CurrentDomain.GetAssemblies();
//Assembly exeAssembly = Assembly.GetExecutingAssembly();
string exeLocation = System.IO.Directory.GetCurrentDirectory();
string extensionsPath = exeLocation + "\\extensions";
if (!Directory.Exists(extensionsPath))
{
return(null);
}
// try to load *.dll in bin\extensions\
var files = Directory.EnumerateFiles(extensionsPath, "*.dll",
SearchOption.TopDirectoryOnly);
List <iS3MenuItem> menuTreeItems = new List <iS3MenuItem>();
foreach (string file in files)
{
// skip the assembly that has been loaded
string shortName = Path.GetFileName(file);
if (allAssemblies.Any(x => x.ManifestModule.Name == shortName))
{
continue;
}
// Assembly.LoadFile doesn't resolve dependencies,
// so don't use Assembly.LoadFile
Assembly assembly = Assembly.LoadFrom(file);
if (assembly != null)
{
_loadedExtensions.Add(assembly);
}
}
// call init() in extensions
foreach (Assembly assembly in _loadedExtensions)
{
// call init() function in the loaded assembly
var types = from type in assembly.GetTypes()
where type.IsSubclassOf(typeof(Extensions))
select type;
foreach (var type in types)
{
object obj = Activator.CreateInstance(type);
Extensions extension = obj as Extensions;
if (extension == null)
{
continue;
}
string msg = extension.init();
_mainFrame.output(msg);
// add menu
if (extension.menuItems() != null)
{
List <iS3MenuItem> menuitems = extension.menuItems().ToList();
menuTreeItems.AddRange(menuitems);
}
}
//save assembly by the dll name
//
if (assembly.FullName.Split(',').Length > 0)
{
assemblyDict[assembly.FullName.Split(',')[0]] = assembly;
}
}
return(menuTreeItems);
}
