private void button1_Click(object sender, EventArgs e) { int input; input = int.Parse(Choice.Text); if (input == 1) { FileStream f = new FileStream("DIV.txt", FileMode.Append); StreamWriter sw = new StreamWriter(f); string first = FirstNum.Text; string second = SecondNum.Text; Tuple <string, string> Answer = BigInt.DIV(first, second); Result.Text = (Answer.Item1).ToString(); //BigInt.DIV(first, second).ToString(); sw.WriteLine(Result.Text); sw.Close(); f.Close(); } else if (input == 2) { FileStream f = new FileStream("SUB.txt", FileMode.Append); StreamWriter sw = new StreamWriter(f); string first = FirstNum.Text; string second = SecondNum.Text; Result.Text = BigInt.SUB(first, second).ToString(); sw.WriteLine(Result.Text); sw.Close(); f.Close(); } else if (input == 3) { FileStream f = new FileStream("MUL.txt", FileMode.Append); StreamWriter sw = new StreamWriter(f); string first = FirstNum.Text; string second = SecondNum.Text; Result.Text = BigInt.MUL(first, second).ToString(); sw.WriteLine(Result.Text); sw.Close(); f.Close(); } else if (input == 4) { string first = FirstNum.Text; string second = SecondNum.Text; string third = ThirdNum.Text; Result.Text = BigInt.ModOfPower(first, second, third).ToString(); } else { MessageBox.Show("Invalid Choice"); } Choice.Clear(); FirstNum.Clear(); SecondNum.Clear(); }
private void button1_Click(object sender, EventArgs e) { int input; input = int.Parse(Choice.Text); if (input == 1) { FileStream f = new FileStream("ADD.txt", FileMode.Append); StreamWriter sw = new StreamWriter(f); string first = FirstNum.Text; string second = SecondNum.Text; Result.Text = BigInt.Add(first, second).ToString(); sw.WriteLine(Result.Text); sw.Close(); f.Close(); } else if (input == 2) { FileStream f = new FileStream("SUB.txt", FileMode.Append); StreamWriter sw = new StreamWriter(f); string first = FirstNum.Text; string second = SecondNum.Text; Result.Text = BigInt.SUB(first, second).ToString(); sw.WriteLine(Result.Text); sw.Close(); f.Close(); } else if (input == 3) { FileStream f = new FileStream("MUL.txt", FileMode.Append); StreamWriter sw = new StreamWriter(f); string first = FirstNum.Text; string second = SecondNum.Text; Result.Text = BigInt.MUL(first, second).ToString(); sw.WriteLine(Result.Text); sw.Close(); f.Close(); } else { MessageBox.Show("Invalid Choice"); } Choice.Clear(); FirstNum.Clear(); SecondNum.Clear(); }