private void textBoxInput_TextChanged(object sender, TextChangedEventArgs e) { //TODO:检查输入太长或太高 if (!console_mode) { //为乘法匹配行数 if (GUIMethod == BaseEquation.METHOD.MUL) { mul_special(); } if (human_changing) { int checkans = ExpressionTranslate.textGUI(textBoxInput.Text); if (checkans != 0) { if (checkans == 2) { MessageBox.Show("GUI输入不合规范,已退回上一步\r\n请检查:\r\n某行太长,最长仅限" + ExpressionTranslate.LENTH_MAX + "字符,超长请使用控制台输入方式"); } else if (checkans == 3) { MessageBox.Show("GUI输入不合规范,已退回上一步\r\n请检查:\r\n行数太多,最长仅限" + ExpressionTranslate.HEIGHT_MAX + "行,超高请使用控制台输入方式"); } else { MessageBox.Show("GUI输入不合规范,已退回上一步\r\n请检查:\r\n数字和字母超过了10个\r\n插入了非法符\r\n删除了重要字符\r\n算式行数不对"); } human_changing = false; textBoxInput.Text = textBoxInputOld; human_changing = true; } } BaseEquation be = ExpressionTranslate.get_console(textBoxInput.Text); if (be != null) { textBox1.Text = be.equation_console; } else { textBox1.Text = ""; } textBoxInputOld = textBoxInput.Text; } }