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資料來源:https://msdn.microsoft.com/zh-tw/library/14akc2c7(…

Code [傳值Call by Value / 傳址Call by Reference]

class RefExample
{
	static void Method(ref int i)
	{
		// Rest the mouse pointer over i to verify that it is an int.
		// The following statement would cause a compiler error if i
		// were boxed as an object.
		i = i + 44;
	}

	static void Main()
	{
		int val = 1;
		Method(ref val);
		Console.WriteLine(val);

		// Output: 45
	}
}