Microsoft.CSharp 4.0.0.0 System.Object To be added. Represents information about C# dynamic operations that are specific to particular arguments at a call site. Instances of this class are generated by the C# compiler. Method 4.0.0.0 Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo To be added. Initializes a new instance of the class. A new instance of the class. The flags for the argument. The name of the argument, if named; otherwise null.