private void IncreaseValue()
{
if (NumValue == 0)
{
NumTxt.SetEdit();
}
NumValue++;
}
private void DecreaseValue()
{
if (NumValue - 1 > 0)
{
NumValue--;
}
else if (NumValue - 1 == 0)
{
NumTxt.SetHint();
ValueChanged(this, new EventArgs());
}
}
private void NumTxt_TextChanged(object sender, TextChangedEventArgs e)
{
// if the text can be parse as integer, apply it to the textbox
if (int.TryParse(NumTxt.Text, out numValue))
{
NumTxt.Text = numValue.ToString();
}
else if (String.IsNullOrEmpty(NumTxt.Text))
{
NumTxt.Text = "";
}
// keep the textbox old value
else
{
NumTxt.Text = text;
}
// if the textbox value is 0, set the hint
if (NumTxt.Text == "0")
{
NumTxt.SetHint();
}
}