// Create an array containing the arguments.
object[] args = {"Argument 1", "Argument 2", "Argument 3" };

// Initialize a ParameterModifier with the number of parameters.
ParameterModifier p = new ParameterModifier(3);

// Pass the first and third parameters by reference.
p[0] = true;
p[2] = true;

// The ParameterModifier must be passed as the single element
// of an array.
ParameterModifier[] mods = { p };

// Invoke the method late bound.
obj.GetType().InvokeMember("MethodName", BindingFlags.InvokeMethod,
     null, obj, args, mods, null, null);