public NumberHelper()
{
InitializeComponent();
BinaryNumber.GotFocus += UpdateFocus;
HexNumber.GotFocus += UpdateFocus;
DecimalNumber.GotFocus += UpdateFocus;
LostFocus += UpdateFocus;
BinaryNumber.KeyPress += (sender, args) =>
{
if (!char.IsControl(args.KeyChar) && !BinaryChars.Contains(args.KeyChar))
{
args.Handled = true;
}
};
BinaryNumber.KeyDown += (sender, args) =>
{
if (args.KeyCode == Keys.Up)
{
args.Handled = true;
HexNumber.Focus();
HexNumber.SelectAll();
}
};
HexNumber.KeyPress += (sender, args) =>
{
if (!char.IsControl(args.KeyChar) && !HexChars.Contains(char.ToUpperInvariant(args.KeyChar)))
{
args.Handled = true;
}
args.KeyChar = char.ToUpperInvariant(args.KeyChar);
};
HexNumber.KeyDown += (sender, args) =>
{
if (args.KeyCode == Keys.Up)
{
args.Handled = true;
DecimalNumber.Focus();
DecimalNumber.SelectAll();
}
else if (args.KeyCode == Keys.Down)
{
args.Handled = true;
BinaryNumber.Focus();
BinaryNumber.SelectAll();
}
};
DecimalNumber.KeyPress += (sender, args) =>
{
if (!char.IsControl(args.KeyChar) && !DecimalChars.Contains(args.KeyChar))
{
args.Handled = true;
}
};
DecimalNumber.KeyDown += (sender, args) =>
{
if (args.KeyCode == Keys.Down)
{
args.Handled = true;
HexNumber.Focus();
HexNumber.SelectAll();
}
};
DecimalNumber.TextChanged += (sender, args) =>
{
if (Regex.IsMatch(DecimalNumber.Text, @"[^\-0-9]"))
{
DecimalNumber.Text = Regex.Replace(DecimalNumber.Text, @"[^\-0-9]", "");
}
if (!Regex.IsMatch(DecimalNumber.Text, @"[0-9]"))
{
return;
}
var number = string.IsNullOrEmpty(DecimalNumber.Text) ? 0 : Convert.ToInt64(DecimalNumber.Text);
SetHex(number);
SetBinary(number);
};
HexNumber.TextChanged += (sender, args) =>
{
if (Regex.IsMatch(HexNumber.Text, @"[^0-9A-F]"))
{
HexNumber.Text = Regex.Replace(HexNumber.Text, @"[^0-9A-F]", "");
}
var number = string.IsNullOrEmpty(HexNumber.Text) ? 0 : Convert.ToInt64(HexNumber.Text, 16);
SetDecimal(number);
SetBinary(number);
};
BinaryNumber.TextChanged += (sender, args) =>
{
if (Regex.IsMatch(BinaryNumber.Text, @"[^01]"))
{
BinaryNumber.Text = Regex.Replace(BinaryNumber.Text, @"[^01]", "");
}
var number = string.IsNullOrEmpty(BinaryNumber.Text) ? 0 : Convert.ToInt64(BinaryNumber.Text, 2);
SetHex(number);
SetDecimal(number);
};
}
