public GoToHexBoxDialog()
{
InitializeComponent();
radioButtonDec.CheckedChanged += UpdateStates;
radioButtonHex.CheckedChanged += UpdateStates;
radioButtonOct.CheckedChanged += UpdateStates;
textBoxOffset.TextChanged += UpdateStates;
this.Shown += UpdateStates;
_lastGoToType = GoToType;
SetStrings();
}
void UpdateStates(object sender, EventArgs e)
{
string textOffset = textBoxOffset.Text;
if (textOffset.Length == 0 || (textOffset.Length >= 2 && textOffset.Substring(0, 2) == "0x"))
{
buttonOk.Enabled = false;
return;
}
if (sender is TextBox || sender is GoToHexBoxDialog)
{
long oldValue = Value;
if (textOffset.Substring(0, 1) == "+" || textOffset.Substring(0, 1) == "-")
{
_direction = textOffset.Substring(0, 1);
textOffset = textOffset.Remove(0, 1);
}
try
{
long value = Convert.ToInt64(textOffset, (int)_goToType);
if (_direction == "-")
{
if ((Value - value) < Minimum)
{
buttonOk.Enabled = false;
return;
}
_relativeValue = -value;
}
else if (_direction == "+")
{
if ((Value + value) > Maximum)
{
buttonOk.Enabled = false;
return;
}
_relativeValue = +value;
}
else
{
_relativeValue = 0;
Value = value;
}
buttonOk.Enabled = true;
// textBoxOffset.Text = direction + ConvertValue(Value.ToString(), (int)_goToType, (int)_goToType);
}
catch (Exception ex)
{
buttonOk.Enabled = false;
Value = oldValue;
}
_direction = "";
}
else if (sender is RadioButton)
{
textOffset = textBoxOffset.Text;
if (textOffset.Substring(0, 1) == "+" || textOffset.Substring(0, 1) == "-")
{
_direction = textOffset.Substring(0, 1);
textOffset = textOffset.Remove(0, 1);
}
else
{
_direction = string.Empty;
}
textBoxOffset.Text = _direction + ConvertValue(textOffset, (int)_lastGoToType, (int)_goToType);
_lastGoToType = _goToType;
}
}
private void radioButtonOct_CheckedChanged(object sender, EventArgs e)
{
_goToType = GoToType.Octal;
}
private void radioButtonDec_CheckedChanged(object sender, EventArgs e)
{
_goToType = GoToType.Decimal;
}
