→ guaz:記得要在design畫面指定按鈕的click事件到button_Click 04/17 16:11
※ 編輯: guaz 來自: 122.116.171.170 (04/17 16:15)
可以用list取index來做
List<Button> buttons;
int bingo;
public Form1()
{
InitializeComponent();
buttons = new List<Button>(new Button[] { button1, button2, button3,
button4 });
bingo = new Random(DateTime.Now.Millisecond).Next(buttons.Count);
}
public void button_Click(object sender, EventArgs e)
{
if (buttons.IndexOf((sender as Button) == bingo)
MessageBox.Show("true");
else MessageBox.Show("false");
}
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