protected override Assembly Load(AssemblyName assemblyName)
{
// CONSIDER: Should we consider priorities for packed vs local files?
// First try the regular load path
string assemblyPath = _resolver.ResolveAssemblyToPath(assemblyName);
if (assemblyPath != null)
{
return(LoadFromAssemblyPath(assemblyPath));
}
// Finally we try the AssemblyManager
return(AssemblyManager.AssemblyResolve(assemblyName));
}
public static short Initialize(void* xlAddInExportInfoAddress, void* hModuleXll, void* pPathXLL)
{
string pathXll = Marshal.PtrToStringUni((IntPtr)pPathXLL);
_alc = new ExcelDnaAssemblyLoadContext(pathXll);
AssemblyManager.Initialize((IntPtr)hModuleXll, pathXll, _alc);
var loaderAssembly = _alc.LoadFromAssemblyName(new AssemblyName("ExcelDna.Loader"));
var xlAddInType = loaderAssembly.GetType("ExcelDna.Loader.XlAddIn");
var initOK = (bool)xlAddInType.InvokeMember("Initialize", BindingFlags.Public | BindingFlags.Static | BindingFlags.InvokeMethod, null, null,
new object[] { (IntPtr)xlAddInExportInfoAddress, (IntPtr)hModuleXll, pathXll,
(Func<string, int, byte[]>)AssemblyManager.GetResourceBytes,
(Func<string, Assembly>)_alc.LoadFromAssemblyPath,
(Func<byte[], byte[], Assembly>)_alc.LoadFromAssemblyBytes,
(Action<TraceSource>)Logger.SetIntegrationTraceSource });
return initOK ? (short)1 : (short)0;
}
public static bool Initialize64(long xlAddInExportInfoAddress, long hModuleXll, string pathXll)
{
// NOTE: The sequence here is important - we install the AssemblyManage which can resolve packed assemblies
// before calling LoadIntegration, which will be the first time we try to resolve ExcelDna.Integration
AssemblyManager.Initialize((IntPtr)hModuleXll, pathXll);
AppDomain.CurrentDomain.AssemblyResolve += (object sender, ResolveEventArgs args) => AssemblyManager.AssemblyResolve(new AssemblyName(args.Name));
return XlAddInInitialize((IntPtr)xlAddInExportInfoAddress, (IntPtr)hModuleXll, pathXll, AssemblyManager.GetResourceBytes, AssemblyManager.LoadFromAssemblyPath, AssemblyManager.LoadFromAssemblyBytes, Logger.SetIntegrationTraceSource);
}
