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 WindowsFormsApplication2
{
    public partial class Prevodnik_mer : Form
    {
        public Prevodnik_mer()
        {
            InitializeComponent();
            delka_comboBox1.SelectedItem = "metr";
        }

        private void míraToolStripMenuItem_Click(object sender, EventArgs e)
        {
            panel1.Visible = true;
            panel2.Visible = false;
        }

        private void váhaToolStripMenuItem_Click(object sender, EventArgs e)
        {
            panel2.Visible = true;
            panel1.Visible = false;
        }

        private void delka_button_Click(object sender, EventArgs e)
        {
            int delka = Convert.ToInt32(delka_numericUpDown1.Value);
            delka_vysledek_label.Text = Convert.ToString(delka);
        }

        private void delka_comboBox2_SelectedIndexChanged(object sender, EventArgs e)
        {
            int delka = Convert.ToInt32(delka_numericUpDown1.Value);

            if (delka_comboBox1.SelectedItem.ToString() == "metr" && delka_comboBox2.SelectedItem.ToString() == "kilometr")
            {
                delka_vysledek_label.Text = Convert.ToString(delka / 1000);
            }

            else if (delka_comboBox1.SelectedItem.ToString() == "metr" && delka_comboBox2.SelectedItem.ToString() == "milimetr")
            {
                delka_vysledek_label.Text = Convert.ToString(delka * 1000);
            }

            else if (delka_comboBox1.SelectedItem.ToString() == "metr" && delka_comboBox2.SelectedItem.ToString() == "centimetr")
            {
                delka_vysledek_label.Text = Convert.ToString(delka * 100);
            }

            else if (delka_comboBox1.SelectedItem.ToString() == "metr" && delka_comboBox2.SelectedItem.ToString() == "decimetr")
            {
                delka_vysledek_label.Text = Convert.ToString(delka * 10);
            }

            if (delka_comboBox1.SelectedItem.ToString() == "metr" && delka_comboBox2.SelectedItem.ToString() == "metr")
            {
                delka_vysledek_label.Text = Convert.ToString(delka);
            }
        }
    }
}