walterlv

using System;
using System.Collections;
using System.ComponentModel;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Threading;
using Walterlv.Demo;

anotherlab

using System;

namespace Os.Properties
{
    // Get access to the hidden SDK class SystemProperties.  The SystemProperties
    // class provides access to the System Properties store.  This store contains
    // a list of key-value pairs
    // See https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/os/SystemProperties.java
    public static class SysProp
    {