public static void event_with_struct_payload()
{
test.ITesting obj = new test.Testing();
test.StructSimple received_struct = default(test.StructSimple);
obj.EvtWithStructEvt += (object sender, EvtWithStructEvt_Args e) => {
received_struct = e.arg;
};
test.StructSimple sent_struct = default(test.StructSimple);
sent_struct.Fstring = "Struct Event";
obj.EmitEventWithStruct(sent_struct);
Test.AssertEquals(sent_struct.Fstring, received_struct.Fstring);
}