摘要: private void txtNum1_KeyPress(object sender, KeyPressEventArgs e) { if (!(e.KeyChar = '0') && e.KeyChar != '\r' && e.KeyChar != '\b') { e.Handled = true; } } 阅读全文
posted @ 2014-02-18 17:29 蚂蚁拉车 阅读(211) 评论(0) 推荐(0) 编辑