private bool IsValidated() => !string.IsNullOrWhiteSpace(nameTextBox.Text) && !string.IsNullOrWhiteSpace(phoneTextBox.Text) && !Validator.GetHasError(nameTextBox) && !Validator.GetHasError(phoneTextBox) && hourCB.SelectedItem != null && minuteCB.SelectedItem != null && dateSelector.SelectedDate != null;
/// <summary>
/// Removes all errors from the specified element.
/// </summary>
/// <param name="element">The element to remove errors from.</param>
public static void ClearInvalid(DependencyObject element)
{
var errorsToRemove = WValidation.GetErrors(element)
.ToArray();
foreach (var error in errorsToRemove)
{
removeValidationError.Invoke(null, new object[] { error, element, true });
}
}