原文:
重新想象 Windows 8 Store Apps (30) - 信息: 获取包信息, 系统信息, 硬件信息, PnP信息, 常用设备信息
重新想象 Windows 8 Store Apps (30) - 信息: 获取包信息, 系统信息, 硬件信息, PnP信息, 常用设备信息
作者：webabcd
介绍
重新想象 Windows 8 Store Apps 之 信息
- 获取包信息
- 获取系统信息
- 获取硬件信息
- 获取即插即用（PnP: Plug and Play）的设备的信息
- 获取常用设备信息
示例
1、演示如何获取 app 的 package 信息
Information/PackageInfo.xaml.cs
/* * 演示如何获取 app 的 package 信息 */ using System; using Windows.ApplicationModel; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Navigation; namespace XamlDemo.Information { public sealed partial class PackageInfo : Page { public PackageInfo() { this.InitializeComponent(); } protected override void OnNavigatedTo(NavigationEventArgs e) { Package package = Package.Current; PackageId packageId = package.Id; lblMsg.Text = "Name: " + packageId.Name; // 包名 lblMsg.Text += Environment.NewLine; lblMsg.Text += "Version: " + packageId.Version; // 版本信息 lblMsg.Text += Environment.NewLine; lblMsg.Text += "Architecture: " + packageId.Architecture; // 支持的 cpu 类型（X86, Arm, X64, Neutral(均支持), Unknown） lblMsg.Text += Environment.NewLine; lblMsg.Text += "Publisher: " + packageId.Publisher; // 发布者 lblMsg.Text += Environment.NewLine; lblMsg.Text += "PublisherId: " + packageId.PublisherId; // 发布者 id lblMsg.Text += Environment.NewLine; lblMsg.Text += "FullName: " + packageId.FullName; // 包全名（Name + Version + Architecture + PublisherId） lblMsg.Text += Environment.NewLine; lblMsg.Text += "FamilyName: " + packageId.FamilyName; // 包系列名（Name + PublisherId） lblMsg.Text += Environment.NewLine; lblMsg.Text += "Installed Location Path: " + package.InstalledLocation.Path; // 包的安装路径 } } }
2、演示如何获取系统的相关信息
Information/SystemInfo.xaml.cs
/* * 演示如何获取系统的相关信息 */ using System; using System.Globalization; using System.Threading.Tasks; using Windows.Devices.Enumeration.Pnp; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Navigation; using System.Linq; namespace XamlDemo.Information { public sealed partial class SystemInfo : Page { public SystemInfo() { this.InitializeComponent(); } protected async override void OnNavigatedTo(NavigationEventArgs e) { lblMsg.Text += "CPU 核心数量：" + Environment.ProcessorCount.ToString(); lblMsg.Text += Environment.NewLine; lblMsg.Text += "系统自上次启动以来所经过的毫秒数：" + Environment.TickCount; lblMsg.Text += Environment.NewLine; lblMsg.Text += "当前语言：" + CultureInfo.CurrentCulture.DisplayName; lblMsg.Text += Environment.NewLine; lblMsg.Text += "当前时间：" + DateTime.Now.ToString("yyyy年MM月dd日 HH:mm:ss") + " 星期" + "日一二三四五六七".Substring((int)DateTime.Now.DayOfWeek, 1); lblMsg.Text += Environment.NewLine; lblMsg.Text += "当前时区：" + "UTC" + DateTimeOffset.Now.ToString("%K"); lblMsg.Text += Environment.NewLine; lblMsg.Text += "当前系统版本号：" + (await GetWindowsVersionAsync()).ToString(); } #region 获取当前系统版本号，摘自：http://attackpattern.com/2013/03/device-information-in-windows-8-store-apps/ public static async Task<string> GetWindowsVersionAsync() { var hal = await GetHalDevice(DeviceDriverVersionKey); if (hal == null || !hal.Properties.ContainsKey(DeviceDriverVersionKey)) return null; var versionParts = hal.Properties[DeviceDriverVersionKey].ToString().Split('.'); return string.Join(".", versionParts.Take(2).ToArray()); } private static async Task<PnpObject> GetHalDevice(params string[] properties) { var actualProperties = properties.Concat(new[] { DeviceClassKey }); var rootDevices = await PnpObject.FindAllAsync(PnpObjectType.Device, actualProperties, RootQuery); foreach (var rootDevice in rootDevices.Where(d => d.Properties != null && d.Properties.Any())) { var lastProperty = rootDevice.Properties.Last(); if (lastProperty.Value != null) if (lastProperty.Value.ToString().Equals(HalDeviceClass)) return rootDevice; } return null; } const string DeviceClassKey = "{A45C254E-DF1C-4EFD-8020-67D146A850E0},10"; const string DeviceDriverVersionKey = "{A8B865DD-2E3D-4094-AD97-E593A70C75D6},3"; const string RootContainer = "{00000000-0000-0000-FFFF-FFFFFFFFFFFF}"; const string RootQuery = "System.Devices.ContainerId:=\"" + RootContainer + "\""; const string HalDeviceClass = "4d36e966-e325-11ce-bfc1-08002be10318"; #endregion } }
3、演示如何获取硬件相关的信息
Information/HardwareInfo.xaml.cs
/* * 演示如何获取硬件相关的信息 */ using System; using Windows.Security.ExchangeActiveSyncProvisioning; using Windows.Storage.Streams; using Windows.System.Profile; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Navigation; namespace XamlDemo.Information { public sealed partial class HardwareInfo : Page { public HardwareInfo() { this.InitializeComponent(); } protected override void OnNavigatedTo(NavigationEventArgs e) { HardwareToken hardwareToken = HardwareIdentification.GetPackageSpecificToken(null); lblMsg.Text = "Id: " + Buffer2Base64(hardwareToken.Id); // 硬件 ID lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; lblMsg.Text += "Signature: " + Buffer2Base64(hardwareToken.Signature); // 硬件签名 lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; lblMsg.Text += "Certificate: " + Buffer2Base64(hardwareToken.Certificate); // 硬件证书 lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; EasClientDeviceInformation easClientDeviceInformation = new EasClientDeviceInformation(); lblMsg.Text += "Id: " + easClientDeviceInformation.Id; // 设备 ID lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; lblMsg.Text += "FriendlyName: " + easClientDeviceInformation.FriendlyName; // 计算机名 lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; lblMsg.Text += "OperatingSystem: " + easClientDeviceInformation.OperatingSystem; // 操作系统 lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; lblMsg.Text += "SystemManufacturer: " + easClientDeviceInformation.SystemManufacturer; // 设备的制造商 lblMsg.Text += Environment.NewLine; lblMsg.Text += Environment.NewLine; lblMsg.Text += "SystemProductName: " + easClientDeviceInformation.SystemProductName; // 设备的产品名 } private string Buffer2Base64(IBuffer buffer) { using (var dataReader = DataReader.FromBuffer(buffer)) { try { var bytes = new byte[buffer.Length]; dataReader.ReadBytes(bytes); return Convert.ToBase64String(bytes); } catch (Exception ex) { return ex.ToString(); } } } } }
4、演示如何获取即插即用（PnP: Plug and Play）的设备的相关信息
Information/PnpObjectInfo.xaml
<Page x:Class="XamlDemo.Information.PnpObjectInfo" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:XamlDemo.Information" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"> <Grid Background="Transparent"> <Grid Margin="120 0 0 0"> <ListBox x:Name="listBox" Margin="0 0 10 10"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel> <TextBlock FontWeight="Bold" Text="{Binding Name}" /> <TextBlock Text="{Binding Id}" /> <TextBlock Text="{Binding Properties}" /> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </Grid> </Grid> </Page>
Information/PnpObjectInfo.xaml.cs
/* * 演示如何获取即插即用（PnP: Plug and Play）的设备的相关信息 */ using System; using Windows.Devices.Enumeration.Pnp; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Navigation; namespace XamlDemo.Information { public sealed partial class PnpObjectInfo : Page { public PnpObjectInfo() { this.InitializeComponent(); } protected async override void OnNavigatedTo(NavigationEventArgs e) { listBox.Items.Clear(); string[] properties = { "System.ItemNameDisplay", "System.Devices.Manufacturer", "System.Devices.ModelName", "System.Devices.Connected" }; // 通过 PnpObject.FindAllAsync() 获取所有 PnP 设备的指定的信息（更多的属性名称请参见：http://technet.microsoft.com/zh-cn/library/hh464997.aspx） var containers = await PnpObject.FindAllAsync(PnpObjectType.DeviceContainer, properties); // 显示获取到的 PnP 设备的相关信息 foreach (PnpObject container in containers) { listBox.Items.Add(new DisplayItem(container)); } } /// <summary> /// 用于保存 PnP 设备的相关信息 /// </summary> class DisplayItem { public string Id { get; private set; } public string Name { get; private set; } public string Properties { get; private set; } public DisplayItem(PnpObject container) { // 该 PnpObject 的名称 Name = (string)container.Properties["System.ItemNameDisplay"]; if (string.IsNullOrWhiteSpace(Name)) Name = "未知"; // 该 PnpObject 的标识 Id = "Id: " + container.Id; // 该 PnpObject 的信息 foreach (var property in container.Properties) { Properties += property.Key + " = " + property.Value + "\n"; } } } } }
5、演示如何获取常用设备的相关信息
Information/DeviceInfo.xaml
<Page x:Class="XamlDemo.Information.DeviceInfo" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:XamlDemo.Information" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"> <Grid Background="Transparent"> <Grid Margin="120 0 0 0"> <ListBox x:Name="listBox" Margin="0 0 10 10"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Margin="0 0 0 20"> <TextBlock FontWeight="Bold" Text="{Binding Path=Name}" /> <TextBlock Text="{Binding Path=Id}" /> <TextBlock Text="{Binding Path=IsEnabled}" /> <StackPanel Orientation="Horizontal"> <TextBlock VerticalAlignment="Center" Text="设备缩略图：" /> <Image Width="256" Height="256" Source="{Binding Path=Thumbnail}" Margin="10 0 0 0" /> </StackPanel> <StackPanel Orientation="Horizontal"> <TextBlock VerticalAlignment="Center" Text="设备图标：" /> <StackPanel Background="Blue" Margin="10 0 0 0"> <Image Width="48" Height="48" Source="{Binding Path=GlyphThumbnail}" /> </StackPanel> </StackPanel> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> </Grid> </Grid> </Page>
Information/DeviceInfo.xaml.cs
/* * 演示如何获取常用设备的相关信息 */ using System; using Windows.Devices.Enumeration; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Media.Imaging; using Windows.UI.Xaml.Navigation; namespace XamlDemo.Information { public sealed partial class DeviceInfo : Page { public DeviceInfo() { this.InitializeComponent(); } protected async override void OnNavigatedTo(NavigationEventArgs e) { listBox.Items.Clear(); // {0ECEF634-6EF0-472A-8085-5AD023ECBCCD} - 打印设备 // {E5323777-F976-4F5B-9B55-B94699C46E44} - 摄像设备 // {6AC27878-A6FA-4155-BA85-F98F491D4F33} - 便携设备 // 通过 DeviceInformation.FindAllAsync() - 获取指定类型的设备信息 var interfaces = await DeviceInformation.FindAllAsync("System.Devices.InterfaceClassGuid:=\"{6AC27878-A6FA-4155-BA85-F98F491D4F33}\"", null); // 获取全部便携设备的设备信息 // var interfaces = await DeviceInformation.FindAllAsync(DeviceClass.AudioRender); // 通过 DeviceClass 枚举获取指定类型的设备信息 // 显示获取到的常用设备的相关信息 foreach (DeviceInformation deviceInterface in interfaces) { DeviceThumbnail thumbnail = await deviceInterface.GetThumbnailAsync(); DeviceThumbnail glyph = await deviceInterface.GetGlyphThumbnailAsync(); listBox.Items.Add(new DisplayItem(deviceInterface, thumbnail, glyph)); } // 创建一个 DeviceWatcher 对象以便在设备发生变化时收到通知 DeviceWatcher deviceWatcher = DeviceInformation.CreateWatcher(); // DeviceWatcher 的相关事件有：Added, EnumerationCompleted, Removed, Stopped, Updated // DeviceWatcher 的相关方法有：Start(), Stop() // DeviceWatcher 的相属性件有：Status（一个 DeviceWatcherStatus 类型的枚举） } /// <summary> /// 用于保存常用设备的相关信息 /// </summary> class DisplayItem { public string Name { get; private set; } public string Id { get; private set; } public string IsEnabled { get; private set; } public BitmapImage Thumbnail { get; private set; } public BitmapImage GlyphThumbnail { get; private set; } public DisplayItem(DeviceInformation deviceInterface, DeviceThumbnail thumbnail, DeviceThumbnail glyph) { // 设备名称 Name = (string)deviceInterface.Properties["System.ItemNameDisplay"]; // 设备标识 Id = "ID: " + deviceInterface.Id; // 设备是否已启用 IsEnabled = "IsEnabled: " + deviceInterface.IsEnabled; // 设备缩略图 Thumbnail = new BitmapImage(); Thumbnail.SetSource(thumbnail); // 设备图标 GlyphThumbnail = new BitmapImage(); GlyphThumbnail.SetSource(glyph); } } } }
OK
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