finish??

HCI_Coursework_EVCHARGE/Pinpad.cs

@@ -0,0 +1,55 @@
+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 HCI_Coursework_EVCHARGE
+{
+    public partial class Pinpad : Form
+    {
+        TextBox entryBox;
+
+        public Pinpad()
+        {
+            InitializeComponent();
+            this.TopMost = true;
+            StartPosition = FormStartPosition.CenterScreen;
+        }
+
+        public void setTextBox(TextBox textBox)
+        {
+            entryBox = textBox;
+        }
+
+        private void backspace_Click(object sender, EventArgs e)
+        {
+            if (entryBox.Text.Length > 0)
+            {
+                entryBox.Text = entryBox.Text.Substring(0, entryBox.Text.Length - 1);
+            }
+        }
+
+        private void confirm_Click(object sender, EventArgs e)
+        {
+            Close();
+        }
+
+        private void button_Click(object sender, EventArgs e)
+        {
+            if ( entryBox.Text.Length < 6 )
+            {
+                entryBox.Text += ((Button)sender).Text;
+            }
+            else
+            {
+                MessageBox.Show("PIN cannot be more than 6 numbers!");
+            }
+            
+        }
+    }
+}