static void ConnectionPointTest()
{
StringLib.StringObjClass obj = new StringLib.StringObjClass();
obj.OnConcatResult += new StringLib._IStringEvent_OnConcatResultEventHandler(OnConcatResult);
String result = obj.Concat("Hello", "World");
System.Console.WriteLine(result);
}
static void EarlyBindig()
{
StringLib.StringObjClass obj = new StringLib.StringObjClass();
String result = obj.Concat("Hello", "World");
System.Console.WriteLine(result);
}