namespace WindowsPhoneApp
{
Class MainPage()
{
private void ProcentSlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
ShowSliderValue.Text = ProcentSlider.Value.ToString(); //<-- NullReferenceException
}
}
}
我无法将 Slider 控件的值引用到 TextBox 控件...