private static void textBox_LostFocus(object sender, RoutedEventArgs e)
{
var tb = e.OriginalSource as TextBox;
ValidationRuleBase rule = GetRule(tb);
rule.Max = GetMax(tb);
rule.Min = GetMin(tb);
rule.Number = GetNumber(tb);
rule.Length = GetLength(tb);
ValidationResult result = rule.Validate(tb.Text, null);
if (!result.IsValid)
{
MessageBox.Show(result.ErrorContent.ToString(), "提示");
}
}
public static void SetRule(DependencyObject d, ValidationRuleBase value)
{
d.SetValue(RuleProperty, value);
}