public static bool IsPermitted(Key inKey)
{
return(InputRules.IsDelOrBackspace(inKey) ||
inKey == Key.Tab ||
InputRules.IsNumberKey(inKey) ||
InputRules.IsArrowKey(inKey));
}
//stops people copy/pasting non-numbers in!
private void NumberBoxTextChanged(object sender, TextChangedEventArgs e)
{
this.seriesSizeInput.Text = InputRules.SanitiseInput(this.seriesSizeInput.Text);
}
//checks for numerical input
private void NumberBoxPreviewKeyDown(object sender, KeyEventArgs e)
{
e.Handled = !InputRules.IsPermitted(e.Key);
}