public IntegerInput(int initialValue, int inputMax)
{
InitializeComponent();
fallbackValue = initialValue;
ClosingOk = false;
NumUpDown.Maximum = inputMax;
NumUpDown.Value = initialValue;
NumUpDown.Select(0, NumUpDown.Value.ToString().Length);
}
private void NumUpDown_Focus(object sender, EventArgs e)
{
NumUpDown.Select(0, NumUpDown.Text.Length);
}