using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void RadioButton1_CheckedChanged(object sender, EventArgs e)
{
RadioButton4.Enabled = false;
RadioButton5.Enabled = false;

RadioButton6.Checked = true;
}

private void RadioButton2_CheckedChanged(object sender, EventArgs e)
{
RadioButton4.Enabled = false;
RadioButton6.Enabled = false;

RadioButton5.Checked = true;
}

private void RadioButton3_CheckedChanged(object sender, EventArgs e)
{
RadioButton5.Enabled = false;
RadioButton6.Enabled = false;

RadioButton4.Checked = true;
}

private void Button1_Click(object sender, EventArgs e)
{
if (RadioButton1.Checked)
{
double vize, final, sonuc;

vize = Convert.ToDouble(TextBox1.Text);
final = Convert.ToDouble(TextBox2.Text);
sonuc = vize * 0.3 + final * 0.7;
TextBox4.Text = sonuc.ToString();
}
else if (RadioButton2.Checked)
{
double vize, final, sonuc;

vize = Convert.ToDouble(TextBox1.Text);
final = Convert.ToDouble(TextBox2.Text);
sonuc = vize * 0.3 + final * 0.7;
TextBox4.Text = sonuc.ToString();
}
else if (RadioButton3.Checked)
{
double vize, final, sonuc;

vize = Convert.ToDouble(TextBox1.Text);
final = Convert.ToDouble(TextBox2.Text);
sonuc = vize * 0.3 + final * 0.7;
TextBox4.Text = sonuc.ToString();
}
}
}
}

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