private void btnOct_Click(object sender, EventArgs e) { textBox2.Text += textBox1.Text; if (CheckValidOctP(textBox2.Text) && textBox2.Text != string.Empty) { textBox1.Text = Programmer_Calculator.octal_arithmetic(textBox2.Text, '+'); } else if (CheckValidOctM(textBox2.Text) && textBox2.Text != string.Empty) { textBox1.Text = Programmer_Calculator.octal_arithmetic(textBox2.Text, '-'); } else if (CheckValidOctMul(textBox2.Text) && textBox2.Text != string.Empty) { textBox1.Text = Programmer_Calculator.octal_arithmetic(textBox2.Text, '*'); } else if (CheckValidOctD(textBox2.Text) && textBox2.Text != string.Empty) { textBox1.Text = Programmer_Calculator.octal_arithmetic(textBox2.Text, '/'); } else { MessageBox.Show("Invalid Input", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); textBox2.Text = textBox1.Text = string.Empty; } }
private void button10_Click(object sender, EventArgs e) { if (CheckValidHexa(textBox1.Text) && textBox1.Text != string.Empty) { textBox2.Text += textBox1.Text; textBox1.Text = Programmer_Calculator.hexa_dec(textBox2.Text); } else { textBox1.Text = ""; MessageBox.Show("Please Give the Input in Correct form", "Error Occurred", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning); } }