public void UnloadAddIn(IAddIn addIn)
{
if (!this.addIns.Contains(addIn))
{
return;
}
Services.AddIn addIn1 = (Services.AddIn)addIn;
List <IPackage> list = new List <IPackage>();
list.AddRange(addIn1.Packages);
for (int index = list.Count - 1; index >= 0; --index)
{
addIn1.UnregisterPackage(list[index]);
}
this.addIns.Remove(addIn);
}
public IAddIn LoadAddIn(string fileName)
{
if (this.excludedAddIns.Contains(Path.GetFileName(fileName).ToUpperInvariant()))
{
return((IAddIn)null);
}
try
{
switch (Path.GetExtension(fileName).ToUpperInvariant())
{
case ".ADDIN":
using (XmlReader xmlReader = XmlReader.Create(fileName))
{
if (xmlReader.IsStartElement("AddIn"))
{
if (xmlReader.MoveToAttribute("AssemblyFile"))
{
return(this.LoadAddIn(Path.Combine(Path.GetDirectoryName(fileName), xmlReader.Value)));
}
break;
}
break;
}
case ".DLL":
string str = Path.Combine(Path.GetDirectoryName(this.GetType().Module.FullyQualifiedName), Environment.ExpandEnvironmentVariables(fileName));
if (Microsoft.Expression.Framework.Documents.PathHelper.FileExists(str))
{
foreach (IAddIn addIn in this.AddIns)
{
if (new Uri(str).Equals((object)new Uri(addIn.Location)))
{
return(addIn);
}
}
Assembly assembly = Assembly.LoadFrom(str);
if (assembly != (Assembly)null)
{
List <Type> list = new List <Type>();
object[] customAttributes = assembly.GetCustomAttributes(typeof(PackageAttribute), false);
if (customAttributes != null && customAttributes.Length != 0)
{
foreach (PackageAttribute packageAttribute in customAttributes)
{
list.Add(packageAttribute.PackageType);
}
}
else
{
list.AddRange((IEnumerable <Type>)assembly.GetExportedTypes());
}
Services.AddIn addIn = new Services.AddIn(this, str);
foreach (Type type in list)
{
if (typeof(IPackage).IsAssignableFrom(type) && !type.IsAbstract && !type.IsInterface)
{
IPackage package = Activator.CreateInstance(type) as IPackage;
if (package != null)
{
addIn.RegisterPackage(package);
}
}
}
if (!EnumerableExtensions.CountIsMoreThan <IPackage>(addIn.Packages, 0))
{
return((IAddIn)null);
}
this.addIns.Add((IAddIn)addIn);
return((IAddIn)addIn);
}
break;
}
break;
}
return((IAddIn)null);
}
catch (TypeLoadException ex1)
{
IMessageDisplayService service = this.GetService <IMessageDisplayService>();
if (service != null)
{
try
{
service.ShowError(string.Concat(new object[4]
{
(object)"Addin '",
(object)fileName,
(object)"' has an issue with a type mismatch\r",
(object)ex1
}));
}
catch (Exception ex2)
{
}
}
return((IAddIn)null);
}
}
