用秒做單位
小白求助
uj5u.com熱心網友回復:
DateTime t1, t2;
private void button1_Click(object sender, EventArgs e)
{
t2 = DateTime.Now;
if(t1!=DateTime.MinValue)
{
MessageBox.Show((t2 - t1).ToString());
}
else
{
MessageBox.Show("第一次點擊");
}
t1 = t2;
}
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標籤:C#
