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 WindowsFormsApp4
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {

        }

        private void toolStripMenuItem1_Click(object sender, EventArgs e)
        {

        }

        private void zamknijToolStripMenuItem_Click(object sender, EventArgs e)
        {
            System.Windows.Forms.DialogResult zamknij;
            zamknij = MessageBox.Show(" Czy zamknąć ?", "UWAGA!",
                MessageBoxButtons.YesNo, MessageBoxIcon.Stop,
                MessageBoxDefaultButton.Button1);
            if (zamknij == System.Windows.Forms.DialogResult.Yes)
            {
                Close();

            }
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void obliczToolStripMenuItem_Click(object sender, EventArgs e)
        {
            double U, I, cosy, P, Q, siny,cp,cq,cenap,cenaq;
            string CP, CQ;
            U = Convert.ToDouble(textBox1.Text);
            I = Convert.ToDouble(textBox2.Text);
            cosy = Convert.ToDouble(textBox3.Text);
            siny = Math.Sqrt(1 - (cosy * cosy));
            P = U * I * cosy;
            Q = U * I * siny;
            textBox4.Text = Convert.ToString(P);
            textBox5.Text = Convert.ToString(Q);
            cp = P*(0.000012);
            cq = Q*(0.0005);
            CP = cp.ToString();
            CQ = cq.ToString();
            if (Q > 500)
                MessageBox.Show("Cena za moc czynna wynosi: "+ cp + "\n Cena za moc bierna wynosi: " + cq +);
            else
                MessageBox.Show("Cena za moc czynna wynosi: CP");




        }

        private void label4_Click(object sender, EventArgs e)
        {

        }

        private void label5_Click(object sender, EventArgs e)
        {

        }
    }
}