摘要: private string Notes = "提示文本"; private void textBox1_Leave(object sender, EventArgs e) { // 退出失去焦点,重新显示 if (string.IsNullOrEmpty(textBox1.Text)) { tex 阅读全文
posted @ 2021-06-23 23:26 要打入腾讯的小陈 阅读(247) 评论(0) 推荐(0)