static void Main(string[] args)
{
//=======================================
//字串參數傳遞問題重現 測試:
//=======================================
string strX = "ABC";
//呼叫 Change
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("[Main](before call Change()) strX={0}", strX);
Change(strX);
Console.WriteLine("[Main](after call Change()) strX={0}", strX);
//呼叫 ChangeByRef
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("[Main](before call ChangeByRef()) strX={0}", strX);
ChangeByRef(ref strX);
Console.WriteLine("[Main](after call ChangeByRef()) strX={0}", strX);
//=======================================
//Value Type 測試:
//=======================================
int id = 1; //##1.1##
//呼叫 ValueTypeCall
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("[Main](before call ValueTypeCall()) id={0}", id);
ValueTypeCall(id);
Console.WriteLine("[Main](after call ValueTypeCall()) id={0}", id); //##1.4##
//呼叫 ValueTypeCallByRef
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine("[Main](before call ValueTypeCallByRef()) id={0}", id);
ValueTypeCallByRef(ref id);
Console.WriteLine("[Main](after call ValueTypeCallByRef()) id={0}", id); //##2.4##
//=======================================
//Reference Type 測試: (String)
//=======================================
string str = "ABC"; //##3.1##
//呼叫 StringTypeCall
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("[Main](before call StringTypeCall()) str={0}", str);
StringTypeCall(str);
Console.WriteLine("[Main](after call StringTypeCall()) str={0}", str); //##3.4##
//呼叫 StringTypeCallByRef
Console.ForegroundColor = ConsoleColor.DarkBlue;
Console.WriteLine("[Main](before call StringTypeCallByRef()) str={0}", str);
StringTypeCallByRef(ref str);
Console.WriteLine("[Main](after call StringTypeCallByRef()) str={0}", str); //##4.4##
//=======================================
//Reference Type 測試: (Object)
//=======================================
//呼叫 ObjectTypeCall
Console.ForegroundColor = ConsoleColor.Yellow;
Customer cust = new Customer { Id = 1, Name = "Tester" }; //##5.1##
Console.WriteLine("[Main](before call ObjectTypeCall()) Id={0}, Name={1}", cust.Id, cust.Name);
ObjectTypeCall(cust);
Console.WriteLine("[Main](after call ObjectTypeCall()) Id={0}, Name={1}", cust.Id, cust.Name); //##5.4##
//呼叫 ObjectTypeCallByRef
Console.ForegroundColor = ConsoleColor.DarkYellow;
cust = new Customer { Id = 1, Name = "Tester" }; //##6.1##
Console.WriteLine("[Main](before call ObjectTypeCallByRef()) Id={0}, Name={1}", cust.Id, cust.Name);
ObjectTypeCall(ref cust);
Console.WriteLine("[Main](after call ObjectTypeCallByRef()) Id={0}, Name={1}", cust.Id, cust.Name); //##6.4##
Console.ReadLine();
}
//##6.2##
private static void ObjectTypeCall(ref Customer inCust)
{
inCust.Name = "Jasper"; //##6.3##
Console.WriteLine("[ObjectTypeCall] Id={0}, Name={1}", inCust.Id, inCust.Name);
}
