C# Dynamic indexer

Question

Does anybody know if it's possible to call method on CLR object via indexer using dynamic lang features? For instance, myClrObj["SuperMethod"] () which I can easily do in javascript.

thank in advance.

Answer 1

You could use the opensource Dynamitey available via nuget, it wraps the DLR API to make it simpler to dynamically call a method by name, works for both dynamic and poco objects. Faster than reflection for poco objects.

Dynamic.InvokeMember(myClrObj,"SuperMethod")

Answer 2

There may be better ways, but one way I'd know how to do it is:

• Create a class that inherits from DynamicObject
• override the suitable method to capture the access via indexer
• Construct and cache a delegate that corresponds to the method that you find via the provided indexer argument

• Provide an extension method that suitably makes your object appear dynamic, with the correct DynamicObject specialization instantiated.

  dynamic obj = myObj.AsIndexedObj(); obj["Do"]();