/// <summary>
/// SelectedDateFormatProperty property changed handler.
/// </summary>
/// <param name="d">DatePicker that changed its SelectedDateFormat.</param>
/// <param name="e">DependencyPropertyChangedEventArgs.</param>
private static void OnSelectedDateFormatChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DatePicker dp = d as DatePicker;
Debug.Assert(dp != null);
if (dp._textBox != null)
{
// Update DatePickerTextBox.Text
if (string.IsNullOrEmpty(dp._textBox.Text))
{
dp.SetWaterMarkText();
}
else
{
DateTime?date = dp.ParseText(dp._textBox.Text);
if (date != null)
{
dp.SetTextInternal(dp.DateTimeToString((DateTime)date));
}
}
}
}
