public EditHotKeys()
        {
            InitializeComponent();
            ActiveControl = label1;
            KeyPreview    = true;

            foreach (TextBox tb in panel1.Controls.OfType <TextBox>())
            {
                tb.Click += (s, e) =>
                {
                    tbText      = tb.Text;
                    tb.Text     = "";
                    selectedTB  = tb;
                    tb.KeyDown += tb_KeyDown;
                };
                tb.LostFocus += (s, e) =>
                {
                    int qRepeat = 0;
                    for (int i = 0; i < 4; i++)
                    {
                        if (tb.Text == panel1.Controls.OfType <TextBox>().ToArray()[i].Text)
                        {
                            qRepeat++;
                        }
                    }
                    if (tb.Text == "Ctrl+" || tb.Text == "Alt+" ||
                        tb.Text == "Shift+" || tb.Text == "" || qRepeat >= 2)
                    {
                        tb.Text = tbText;
                    }
                };
            }

            TextBox[] tbs = panel1.Controls.OfType <TextBox>().ToArray();
            for (int i = 0; i < 4; i++)
            {
                tbs[i].Text = $"{Program.modifiers[i]}+{HotKeys.FindKeyValue(Program.keys[i].ToString())}";
            }
        }
 private void applyBtn_Click(object sender, EventArgs e)
 {
     string[]  modKey = new string[2];
     TextBox[] tbs    = panel1.Controls.OfType <TextBox>().ToArray();
     for (int i = 0; i < 4; i++)
     {
         if (!tbs[i].Text.Contains("Num + "))
         {
             modKey = tbs[i].Text.Split('+');
         }
         else
         {
             modKey[0] = tbs[i].Text.Remove(tbs[i].Text.Length - 6);
             modKey[1] = "Num +";
         }
         Program.modifiers[i] = modKey[0];
         Program.keys[i]      = HotKeys.FindKeyCode(modKey[1]);
         RegistryKey reg = Registry.CurrentUser.CreateSubKey("Software\\HBMmacros");
         reg.SetValue($"Modifier{i}", Program.modifiers[i]);
         reg.SetValue($"Key{i}", Program.keys[i]);
     }
     Close();
 }