protected override void OnTextChanged(TextChangedEventArgs e)
{
base.OnTextChanged(e);
string text = Text.Replace(NumberFormatInfo.CurrentInfo.NumberGroupSeparator, String.Empty);
string mask = Mask;
ValueTypes vt = ValueType;
if (0 != mask.Length)
{
if (0 < Text.Length)
{
if (vt.Equals(ValueTypes.Integer))
{
Text = String.Format("{" + mask + "}", Int32.Parse(text));
e.Handled = true;
}
else
{
Text = String.Format("{" + mask + "}", Double.Parse(text));
e.Handled = true;
}
}
else
{
Text = "";
e.Handled = true;
}
}
}
private bool IsSymbolValid(string mask, string str, ValueTypes typ)
{
switch (typ)
{
case ValueTypes.Text:
return(true);
case ValueTypes.Integer:
if (str == NumberFormatInfo.CurrentInfo.NegativeSign)
{
return(true);
}
break;
case ValueTypes.Double:
if (str == NumberFormatInfo.CurrentInfo.NumberDecimalSeparator ||
str == NumberFormatInfo.CurrentInfo.NegativeSign)
{
return(true);
}
break;
}
if (typ.Equals(ValueTypes.Integer) || typ.Equals(ValueTypes.Double))
{
foreach (char ch in str)
{
if (!Char.IsDigit(ch))
{
return(false);
}
}
return(true);
}
return(false);
}