public void Validate(ResolvedTreeRoot resolvedTreeRoot)
{
Lesson1CommonValidator.ValidateTextBoxBindings(resolvedTreeRoot);
resolvedTreeRoot.GetDescendantControls <Button>().Single()
.ValidateCommandBindingExpression(ButtonBase.ClickProperty, "Calculate()");
var buttonTextBinding = resolvedTreeRoot.GetDescendantControls <Button>()
.Select(c => c.GetValue(ButtonBase.TextProperty))
.SingleOrDefault();
if (buttonTextBinding == null)
{
throw new CodeValidationException(Lesson1Texts.ButtonDoesNotHaveText);
}
}
public void Validate(ResolvedTreeRoot resolvedTreeRoot)
{
Lesson1CommonValidator.ValidateTextBoxBindings(resolvedTreeRoot);
}
