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

namespace WindowsFormsApplication1
{
    public partial class Calculator : Form
    {
        public Calculator()
        {
            InitializeComponent();
        }
        private bool plusbool = false;
        private bool minbool =false;
        private bool keerbool =false;
        private bool deelbool =false;
        private bool Nummer0bool = false;
        private bool ButtonDotbool = false;
        double invoer1double;
        double invoer2double;
        double antwoorddouble;

        private void Nummer1_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 1;
            antwoord.Text = "";
        }

        private void Nummer2_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 2;
            antwoord.Text = "";
        }

        private void Nummer3_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 3;
            antwoord.Text = "";
        }

        private void Nummer4_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 4;
            antwoord.Text = "";
        }

        private void Nummer5_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 5;
            antwoord.Text = "";
        }

        private void Nummer6_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 6;
            antwoord.Text = "";
        }

        private void Nummer7_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 7;
            antwoord.Text = "";
        }

        private void Nummer8_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 8;
            antwoord.Text = "";
        }

        private void Nummer9_Click(object sender, EventArgs e)
        {
            invoer1.Text = invoer1.Text + 9;
            antwoord.Text = "";
        }

        private void Nummer0_Click(object sender, EventArgs e)
        {
            if (invoer1.Text == "") { }
            else
            {
                invoer1.Text = invoer1.Text + 0;
                antwoord.Text = "";
            }
        }

        private void buttonDot_Click(object sender, EventArgs e)
        {
            if (Nummer0bool == true) { }
            if (ButtonDotbool == true) { }
            else
            {
                if (Nummer0bool == true)
                {
                    if (ButtonDotbool == true) { }
                    else
                    {
                        invoer1.Text = invoer1.Text + ".";
                        antwoord.Text = "";
                        ButtonDotbool = true;
                    }
                }
                else
                {
                    if (ButtonDotbool == true) { }
                    else
                    {
                        invoer1.Text = invoer1.Text + "0";
                        antwoord.Text = "";
                        ButtonDotbool = true;
                    }

                    {

                        invoer1.Text = invoer1.Text + ".";
                        antwoord.Text = "";
                    }
                }
            }
        }





        private void buttonPlus_Click(object sender, EventArgs e)
        {
        invoer2.Text = invoer1.Text;
        invoer2double = double.Parse(invoer2.Text);
        invoer1.Text = "";
        plusbool = true;
        minbool = false;
        keerbool = false;
        deelbool = false;
        }

        private void buttonMinus_Click(object sender, EventArgs e)
        {
        invoer2.Text = invoer1.Text;
        invoer2double = double.Parse(invoer2.Text);
        invoer1.Text = "";
        plusbool = false;
        minbool = true;
        keerbool = false;
        deelbool = false;
        }

        private void buttonTimes_Click(object sender, EventArgs e)
        {
        invoer2.Text = invoer1.Text;
        invoer2double = double.Parse(invoer2.Text);
        invoer1.Text = "";
        plusbool = false;
        minbool = false;
        keerbool = true;
        deelbool = false;
        }

        private void buttonDivide_Click(object sender, EventArgs e)
        {
        invoer2.Text = invoer1.Text;
        invoer2double = double.Parse(invoer2.Text);
        invoer1.Text = "";
        plusbool = false;
        minbool = false;
        keerbool = false;
        deelbool = true;
        }

        private void buttonResult_Click(object sender, EventArgs e)
        {
            invoer1double = double.Parse(invoer1.Text);
        if (plusbool == true) antwoorddouble = invoer1double + invoer2double;
        if (minbool == true) antwoorddouble = invoer1double - invoer2double;
        if (keerbool == true) antwoorddouble = invoer1double * invoer2double;
        if (deelbool == true) antwoorddouble = invoer1double / invoer2double;
        antwoord.Text = antwoorddouble.ToString();
            invoer1.Text = "";
            invoer2.Text = "";
            plusbool = false;
            minbool = false;
            keerbool = false;
            deelbool = false;
        }

        private void buttonClearAll_Click(object sender, EventArgs e)
        {

        }

        private void Invoer1_TextChanged(object sender, EventArgs e)
        {

        }

        private void Invoer2_TextChanged(object sender, EventArgs e)
        {

        }

        private void Antwoord_TextChanged(object sender, EventArgs e)
        {

        }


        }
    }