static void Swap<T>(ref T lhs, ref T rhs) //當指定為int時此行類似 static void Swap<int>(ref int lhs,ref int rhs)
{
T temp; //此時的T 也是int型態,類似 int temp;
temp = lhs;
lhs = rhs;
rhs = temp;
}
public static void TestSwap()
{
int a = 1;
int b = 2;
Swap<int>(ref a, ref b); //在此時會將 T 指定為int型態
MessageBox.Show("a="+a + ",b=" + b,"呈現結果");
}呈現結果
