/// <summary>
/// Raises the TextParseError event.
/// </summary>
/// <param name="e">A DatePickerTextParseErrorEventArgs that contains the event data.</param>
protected virtual void OnTextParseError(DatePickerTextParseErrorEventArgs e)
{
EventHandler<DatePickerTextParseErrorEventArgs> handler = this.TextParseError;
if (handler != null)
{
handler(this, e);
}
}
// iT SHOULD RETURN NULL IF THE STRING IS NOT VALID, RETURN THE DATETIME VALUE IF IT IS VALID
/// <summary>
/// Input text is parsed in the correct format and changed into a DateTime object.
/// If the text can not be parsed TextParseError Event is thrown.
/// </summary>
private DateTime? ParseText(string text, DatePickerFormat f)
{
DateTime newSelectedDate;
DateTimeFormatInfo dtfi = CultureInfo.CurrentCulture.DateTimeFormat;
if (f == DatePickerFormat.Short)
{
try
{
newSelectedDate = DateTime.ParseExact(text,dtfi.ShortDatePattern, CultureInfo.CurrentCulture);
return newSelectedDate;
}
catch(Exception ex)
{
DatePickerTextParseErrorEventArgs textParseError = new DatePickerTextParseErrorEventArgs(ex, text);
OnTextParseError(textParseError);
if (textParseError.ThrowException)
{
throw textParseError.Exception;
}
}
}
else
{
Debug.Assert(f == DatePickerFormat.Long);
try
{
newSelectedDate = DateTime.ParseExact(text, dtfi.LongDatePattern, CultureInfo.CurrentCulture);
return newSelectedDate;
}
catch (Exception ex)
{
DatePickerTextParseErrorEventArgs textParseError = new DatePickerTextParseErrorEventArgs(ex, text);
OnTextParseError(textParseError);
if (textParseError.ThrowException)
{
throw textParseError.Exception;
}
}
}
return null;
}