[C#] 隨機產出 1000 個 IP

[C#] 隨機產出 1000 個 IP

2019-01-05

private void button1_Click(object sender, EventArgs e) { Random r = new Random(); for (int i = 1; i <= 1000; i++) { string ip = Math.Truncate(r.NextDouble() * 256).ToString() + "." + Math.Truncate(r.NextDouble() * 256).ToString() + "." + Math.Truncate(r.NextDouble() * 256).ToString() + "." + Math.Truncate(r.NextDouble() * 256).ToString(); richTextBox1.AppendText(ip + "\r"); } }

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