摘要: 1 private void txt_bytesendid_KeyPress(object sender, KeyPressEventArgs e) 2 { 3 if ((e.KeyChar >= 'a' && e.KeyChar = 'A' && e.KeyChar = '0' && e.KeyChar <= '9') 5 ... 阅读全文
posted @ 2018-11-29 20:22 熊大大- 阅读(1097) 评论(0) 推荐(0) 编辑