private void listpicker_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
ListPickerValidationControl control = (ListPickerValidationControl)sender;
if (control.SelectedItem != null)
{
IValidationRule v = (IValidationRule)control.ValidationRule;
control.IsValid = v.Validate(((CustomListBoxItem <Person>)control.SelectedItem).Value == "Choose ..." ? "" : "valid");;
}
}
public void ValidateObject(object sender, EventArgs e, UIElementCollection UIElements, List <ListPickerValidationControl> listpickers)
{
foreach (UIElement ui in UIElements)
{
if (ui.GetType() == typeof(ValidationControl))
{
ValidationControl control = (ValidationControl)ui;
IValidationRule v = (IValidationRule)control.ValidationRule;
IsPageValid = v.Validate(control.Text);
control.IsValid = IsPageValid;
}
else if (ui.GetType() == typeof(ListPickerValidationControl))
{
ListPickerValidationControl control = (ListPickerValidationControl)ui;
IValidationRule v = (IValidationRule)control.ValidationRule;
IsPageValid = v.Validate(((ICustomListBox)control.SelectedItem).Value == "Choose ..." ? "" : "valid");
control.IsValid = IsPageValid;
}
}
}