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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Histacom2.Engine;
namespace Histacom2.OS.Win95.Win95Apps
{
public partial class WinClassicCalculator : UserControl
{
double prevnum = 0;
string operation = "";
bool operation_pressed = false;
public WinClassicCalculator()
{
InitializeComponent();
foreach (Control c in Controls)
{
if (c is Button)
{
c.Font = new Font(TitleScreen.pfc.Families[0], 16F, FontStyle.Bold, GraphicsUnit.Point, ((byte)(0)));
c.Paint += (sender, args) => Paintbrush.PaintClassicBorders(sender, args, 2);
}
else
{
c.Font = new Font(TitleScreen.pfc.Families[0], 16F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(0)));
}
}
txtNumbers.Paint += (sender, args) => Paintbrush.PaintClassicBordersIndented(sender, args, 2);
}
private void number_click(object sender, EventArgs e)
{
if (txtNumbers.Text.Contains("∞"))
txtNumbers.Clear();
if ((txtNumbers.Text == "0") || (operation_pressed))
txtNumbers.Text = "";
operation_pressed = false;
Button num = (Button)sender;
if (num.Text == ".")
{
if (!txtNumbers.Text.Contains("."))
txtNumbers.Text = txtNumbers.Text + num.Text;
}
else
txtNumbers.Text = txtNumbers.Text + num.Text;
}
private void Button27_Click(object sender, EventArgs e)
{
txtNumbers.Text = "0";
}
private void Button26_Click(object sender, EventArgs e)
{
prevnum = 0;
operation = "";
operation_pressed = false;
txtNumbers.Text = "0";
}
private void Button25_Click(object sender, EventArgs e)
{
if (txtNumbers.Text.Length>0)
{
txtNumbers.Text = txtNumbers.Text.Remove(txtNumbers.Text.Length - 1, 1);
}
if (txtNumbers.Text =="")
{
txtNumbers.Text = "0";
}
}
private void arithmitic_click(object sender, EventArgs e)
{
Button num = (Button)sender;
if (txtNumbers.Text.Contains("∞"))
txtNumbers.Clear();
if (prevnum != 0)
{
if (num.Text == "sqrt")
prevnum = Math.Sqrt(double.Parse(txtNumbers.Text));
if (num.Text == "1/x")
prevnum = Convert.ToDouble(1.0 / Convert.ToDouble(txtNumbers.Text));
if (num.Text == "%")
prevnum = Convert.ToDouble(txtNumbers.Text) / 100;
Button21.PerformClick();
operation = num.Text;
operation_pressed = true;
}
else if (num.Text == "sqrt")
{
prevnum = Math.Sqrt(double.Parse(txtNumbers.Text));
txtNumbers.Text = prevnum.ToString();
}
else if (num.Text == "1/x")
{
prevnum = Convert.ToDouble(1.0 / Convert.ToDouble(txtNumbers.Text));
txtNumbers.Text = prevnum.ToString();
}
else if (num.Text == "%")
{
prevnum = Convert.ToDouble(txtNumbers.Text) / 100;
txtNumbers.Text = prevnum.ToString();
}
else
{
operation = num.Text;
prevnum = double.Parse(txtNumbers.Text);
txtNumbers.Text = "0";
operation_pressed = true;
}
}
private void Button21_Click(object sender, EventArgs e)
{
if (txtNumbers.Text.Contains("∞"))
txtNumbers.Clear();
switch (operation)
{
case "+":
txtNumbers.Text = (prevnum + double.Parse(txtNumbers.Text)).ToString();
break;
case "-":
txtNumbers.Text = (prevnum - double.Parse(txtNumbers.Text)).ToString();
break;
case "*":
txtNumbers.Text = (prevnum * double.Parse(txtNumbers.Text)).ToString();
break;
case "/":
txtNumbers.Text = (prevnum / double.Parse(txtNumbers.Text)).ToString();
break;
}
prevnum = Int32.Parse(txtNumbers.Text);
operation = "";
}
private void AboutCalculatorToolStripMenuItem_Click(object sender, EventArgs e)
{
WindowManager wm = new WindowManager();
wm.StartAboutBox95("Calculator", "Microsoft Calculator", Properties.Resources.WinClassicCalc);
}
private void Button15_Click(object sender, EventArgs e)
{
}
private void CopyCtrlCToolStripMenuItem1_Click(object sender, EventArgs e)
{
txtNumbers.Copy();
}
private void PasteCtrlVToolStripMenuItem1_Click(object sender, EventArgs e)
{
string pasteText = Clipboard.GetText();
string strippedText = "";
for (int i = 0; i < pasteText.Length; i++)
{
if (char.IsDigit(pasteText[i]))
strippedText += pasteText[i].ToString();
MessageBox.Show("Test");
}
if (strippedText!=pasteText)
{
txtNumbers.Text = pasteText;
}
}
}
}
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