/// <summary>
/// Tries to instantiate and return an IonPlugin descendant by loading a .NET assembly file at a given path. Null is returned if the target file does not exist, is not a .NET assembly file or is not a IonPlugin descendant.
/// </summary>
/// <param name="sAssemblyPath">The full path to the assembly file to load.</param>
private IonPlugin InstantiatePluginFromAssembly(string sAssemblyPath)
{
try
{
Assembly pAssembly = Assembly.Load(AssemblyName.GetAssemblyName(sAssemblyPath));
IonPlugin pPlugin = (IonPlugin)Activator.CreateInstance(pAssembly.GetType());
return(pPlugin);
}
catch { return(null); } // Either file not found, no CLI header or no IonPlugin deriver
}
public List <IonPlugin> GetPlugins(string sDirectory)
{
List <IonPlugin> pPlugins = new List <IonPlugin>();
if (Directory.Exists(sDirectory))
{
string[] szFiles = Directory.GetFiles(sDirectory, "*.dll");
for (int x = 0; x < szFiles.Length; x++)
{
IonPlugin pPlugin = this.InstantiatePluginFromAssembly(szFiles[x]);
if (pPlugin != null)
{
pPlugins.Add(pPlugin);
}
}
}
return(pPlugins);
}