{"id":310166,"date":"2024-01-20T13:22:02","date_gmt":"2024-01-20T05:22:02","guid":{"rendered":"https:\/\/www.idc.net\/help\/310166\/"},"modified":"2024-01-20T13:22:02","modified_gmt":"2024-01-20T05:22:02","slug":"%e5%be%ae%e8%bd%afwp7%e6%9c%ac%e5%9c%b0%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b9%8bsterling%e7%bc%96%e7%a8%8b%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/310166\/","title":{"rendered":"\u5fae\u8f6fWP7\u672c\u5730\u6570\u636e\u5e93\u4e4bSterling\u7f16\u7a0b\u6280\u5de7"},"content":{"rendered":"

Sterling\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\u8f6f\u4ef6\u3002\u5728\u672c\u7bc7\u4e2d\uff0c\u6211\u4eec\u5c06\u5206\u6790\u5982\u4f55\u628aSterling\u6570\u636e\u5e93\u96c6\u6210\u5230Windows Phone 7\u7a0b\u5e8f\u4e2d\u53ca\u76f8\u5e94\u7684\u7f16\u7a0b\u6280\u5de7\u548c\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n

\u4e00\u3001\u521b\u5efaMainViewModel<\/strong><\/p>\n

\u4e3a\u4e86\u5b9e\u73b0\u66f4\u52a0\u6a21\u5757\u5316\u7684\u8bbe\u8ba1\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u89c6\u56fe\u6a21\u578b\uff0c\u7528\u4ee5\u5c01\u88c5\u4e0a\u7bc7\u4e2d\u5b9a\u4e49\u7684\u4e24\u4e2a\u6570\u636e\u5e93\u8868\u683c\u3002\u4e3a\u7b80\u5355\u8d77\u89c1\uff0c\u6211\u4eec\u4e3b\u8981\u63d0\u4f9b\u4e86\u6570\u636e\u52a0\u8f7d\u65b9\u9762\u7684\u652f\u6301\u3002\u4f7f\u7528MainViewModel\u7684\u53e6\u4e00\u4e2a\u539f\u56e0\u662f\u4e0b\u8f7d\u7684\u793a\u4f8b\u7a0b\u5e8f\u4e2d\u6b63\u662f\u4f7f\u7528\u4e86\u8fd9\u79cd\u7cfb\u7edf\u67b6\u6784\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u8bf7\u6ce8\u610f\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u5e76\u6ca1\u6709\u5229\u7528\u6d41\u884c\u7684MVVM\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n

\u5217\u88681:\u5b9a\u4e49\u4e3b\u89c6\u56fe\u6a21\u578b\u5b9e\u73b0\u4e0eSterling\u6570\u636e\u5e93\u5c42\u7684\u5173\u8054<\/p>\n

\n \n \n 
    \n  \n  \n  
  1. public<\/span> <\/span>class<\/span> MainViewModel : INotifyPropertyChanged  <\/span><\/span><\/li>\n  \n  \n  
  2. {  <\/span><\/li>\n  \n  \n  
  3.    <\/span>public<\/span> MainViewModel()  <\/span><\/li>\n  \n  \n  
  4.    {  <\/span><\/li>\n  \n  \n  
  5.       <\/span>this<\/span>.Groups = <\/span>new<\/span> ObservableCollection();  <\/span><\/li>\n  \n  \n  
  6.       <\/span>this<\/span>.Contacts = <\/span>new<\/span> ObservableCollection();  <\/span><\/li>\n  \n  \n  
  7.    }  <\/span><\/li>\n  \n  \n  
  8.    <\/span>public<\/span> ObservableCollection Groups { <\/span>get<\/span>; <\/span>private<\/span> <\/span>set<\/span>; }  <\/span><\/li>\n  \n  \n  
  9.    <\/span>public<\/span> ObservableCollection Contacts { <\/span>get<\/span>; <\/span>private<\/span> <\/span>set<\/span>; }  <\/span><\/li>\n  \n  \n  
  10.    <\/span>public<\/span> <\/span>bool<\/span> IsDataLoaded  <\/span><\/li>\n  \n  \n  
  11.    {  <\/span><\/li>\n  \n  \n  
  12.       <\/span>get<\/span>;  <\/span><\/li>\n  \n  \n  
  13.       <\/span>private<\/span> <\/span>set<\/span>;  <\/span><\/li>\n  \n  \n  
  14.    }  <\/span><\/li>\n  \n  \n  
  15.    <\/span>public<\/span> <\/span>void<\/span> LoadData()  <\/span><\/li>\n  \n  \n  
  16.    {  <\/span><\/li>\n  \n  \n  
  17.       <\/span>bool<\/span> hasKeys = <\/span>false<\/span>;  <\/span><\/li>\n  \n  \n  
  18.       <\/span>foreach<\/span> (var item <\/span>in<\/span> App.Database.Query())  <\/span><\/li>\n  \n  \n  
  19.       {   <\/span><\/li>\n  \n  \n  
  20.          hasKeys = <\/span>true<\/span>;  <\/span><\/li>\n  \n  \n  
  21.          <\/span>break<\/span>;  <\/span><\/li>\n  \n  \n  
  22.       }  <\/span><\/li>\n  \n  \n  
  23.       <\/span>bool<\/span> hasKeys2 = <\/span>false<\/span>;  <\/span><\/li>\n  \n  \n  
  24.       <\/span>foreach<\/span> (var item <\/span>in<\/span> App.Database.Query())  <\/span><\/li>\n  \n  \n  
  25.       {  <\/span><\/li>\n  \n  \n  
  26.          hasKeys2 = <\/span>true<\/span>;  <\/span><\/li>\n  \n  \n  
  27.          <\/span>break<\/span>;  <\/span><\/li>\n  \n  \n  
  28.       }  <\/span><\/li>\n  \n  \n  
  29.       <\/span>if<\/span> (!hasKeys && !hasKeys2)  <\/span><\/li>\n  \n  \n  
  30.       {  <\/span><\/li>\n  \n  \n  
  31.          _SetupData();  <\/span><\/li>\n  \n  \n  
  32.       }  <\/span><\/li>\n  \n  \n  
  33.       <\/span>foreach<\/span> (var item <\/span>in<\/span> App.Database.Query())  <\/span><\/li>\n  \n  \n  
  34.       {  <\/span><\/li>\n  \n  \n  
  35.          Groups.Add(item.LazyValue.Value);  <\/span><\/li>\n  \n  \n  
  36.       }  <\/span><\/li>\n  \n  \n  
  37.       <\/span>foreach<\/span> (var item <\/span>in<\/span> App.Database.Query())  <\/span><\/li>\n  \n  \n  
  38.       {  <\/span><\/li>\n  \n  \n  
  39.          Contacts.Add(item.LazyValue.Value);  <\/span><\/li>\n  \n  \n  
  40.       }  <\/span><\/li>\n  \n  \n  
  41.       <\/span>this<\/span>.IsDataLoaded = <\/span>true<\/span>;  <\/span><\/li>\n  \n  \n  
  42.    }  <\/span><\/li>\n  \n  \n  
  43.    <\/span>private<\/span> <\/span>void<\/span> _SetupData()  <\/span><\/li>\n  \n  \n  
  44.    {  <\/span><\/li>\n  \n  \n  
  45.       var groupData = <\/span>new<\/span> List()  <\/span><\/li>\n  \n  \n  
  46.       {  <\/span><\/li>\n  \n  \n  
  47.          <\/span>new<\/span> GroupViewModel() { GroupName = <\/span>\"GP1\"<\/span>},  <\/span><\/li>\n  \n  \n  
  48.          <\/span>\/\/others omitted\u2026 <\/span> <\/span><\/li>\n  \n  \n  
  49.          <\/span>new<\/span> GroupViewModel() { GroupName = <\/span>\"GP10\"<\/span>}  <\/span><\/li>\n  \n  \n  
  50.       };  <\/span><\/li>\n  \n  \n  
  51.       <\/span>foreach<\/span> (var item <\/span>in<\/span> groupData)  <\/span><\/li>\n  \n  \n  
  52.       {  <\/span><\/li>\n  \n  \n  
  53.          App.Database.Save(item);  <\/span><\/li>\n  \n  \n  
  54.       }  <\/span><\/li>\n  \n  \n  
  55.       var contactData = <\/span>new<\/span> List()  <\/span><\/li>\n  \n  \n  
  56.       {  <\/span><\/li>\n  \n  \n  
  57.          <\/span>new<\/span> ContactViewModel() { GroupId=1,Name=<\/span>\"Name11\"<\/span>,Email=<\/span>\"Name11@hotmail.com\"<\/span>,ThumbNail=<\/span>\"\/WP7SterlingLearning;Component\/ThumbNails\/11.jpg\"<\/span>},  <\/span><\/li>\n  \n  \n  
  58.          <\/span>new<\/span> ContactViewModel() { GroupId=1,Name=<\/span>\"Name12\"<\/span>,Email=<\/span>\"Name12@hotmail.com\"<\/span>,ThumbNail=<\/span>\"\/WP7SterlingLearning;Component\/ThumbNails\/12.jpg\"<\/span>},  <\/span><\/li>\n  \n  \n  
  59.          <\/span>\/\/others omitted\u2026 <\/span> <\/span><\/li>\n  \n  \n  
  60.          <\/span>new<\/span> ContactViewModel() { GroupId=10,Name=<\/span>\"Name105\"<\/span>,Email=<\/span>\"Name105@hotmail.com\"<\/span>,ThumbNail=<\/span>\"\/WP7SterlingLearning;Component\/ThumbNails\/105.jpg\"<\/span>}  <\/span><\/li>\n  \n  \n  
  61.       };  <\/span><\/li>\n  \n  \n  
  62.       <\/span>foreach<\/span> (var item <\/span>in<\/span> contactData)  <\/span><\/li>\n  \n  \n  
  63.       {  <\/span><\/li>\n  \n  \n  
  64.          App.Database.Save(item);  <\/span><\/li>\n  \n  \n  
  65.       }  <\/span><\/li>\n  \n  \n  
  66.    }  <\/span><\/li>\n  \n  \n  
  67.    <\/span>public<\/span> <\/span>event<\/span> PropertyChangedEventHandler PropertyChanged;  <\/span><\/li>\n  \n  \n  
  68.    <\/span>private<\/span> <\/span>void<\/span> NotifyPropertyChanged(String propertyName)  <\/span><\/li>\n  \n  \n  
  69.    {  <\/span><\/li>\n  \n  \n  
  70.       PropertyChangedEventHandler handler = PropertyChanged;  <\/span><\/li>\n  \n  \n  
  71.       <\/span>if<\/span> (<\/span>null<\/span> != handler)  <\/span><\/li>\n  \n  \n  
  72.       {  <\/span><\/li>\n  \n  \n  
  73.          handler(<\/span>this<\/span>, <\/span>new<\/span> PropertyChangedEventArgs(propertyName));  <\/span><\/li>\n  \n  \n  
  74.       }  <\/span><\/li>\n  \n  \n  
  75.    }  <\/span><\/li>\n  \n  \n  
  76. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
    \u5f88\u5bb9\u6613\u770b\u51fa\uff0c\u4e0a\u9762\u4ee3\u7801\u7684\u5173\u952e\u5728\u4e8e\u65b9\u6cd5LoadData\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5224\u65ad\u8fd9\u4e24\u4e2a\u8868GroupViewModel\u548cContactViewModel\u662f\u5426\u5df2\u5efa\u7acb\u3002\u5982\u679c\u5df2\u7ecf\u5efa\u7acb\uff0c\u6211\u4eec\u53ea\u9700\u8981\u7528\u7b80\u5355\u7684Sterling\u67e5\u8be2\u64cd\u4f5c\u586b\u5145\u4e24\u4e2a\u96c6\u5408;\u5426\u5219\uff0c\u6211\u4eec\u8c03\u7528\u53e6\u4e00\u4e2a\u65b9\u6cd5_SetupData\u751f\u6210\u65b0\u8868\u4e2d\u7684\u8bb0\u5f55\u3002\u521b\u5efa\u8bb0\u5f55\u7b80\u5355\u5730\u5bf9\u5e94\u4e8e\u521b\u5efa\u76f8\u5173\u7c7b\u7684\u5b9e\u4f8b\u3002***\uff0c\u6211\u4eec\u8bbe\u7f6e\u5168\u5c40\u53d8\u91cfIsDataLoaded\u7684\u503c\u4ee5\u65b9\u4fbf\u968f\u540e\u7684\u5224\u65ad\u4e4b\u7528\u3002<\/p>\n
    \u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6240\u6709\u6570\u636e\u5c42\u76f8\u5173\u7f16\u7a0b\u5df2\u7ecf\u5b8c\u6210\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u628aSterling\u96c6\u6210\u5230Windows Phone7\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002<\/p>\n
    #p#<\/p>\n
    \u4e8c\u3001\u628aSterling\u96c6\u6210\u5230WP7\u9879\u76ee\u4e2d<\/strong><\/p>\n
    \u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u4e86\u4e00\u4e2aSterling\u6570\u636e\u5e93\u3001\u4e24\u4e2a\u8868\u53ca\u76f8\u5e94\u7684\u7d22\u5f15\u3002\u90a3\u4e48\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u5206\u6790\u5982\u4f55\u628aSterling\u6570\u636e\u5e93\u96c6\u6210\u5230\u6211\u4eec\u7684\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8fWP7SterlingLearning\u4e2d\u3002\u8bf7\u6ce8\u610f\uff0cWP7SterlingLearning\u4ec5\u662f\u4e00\u4e2a\u666e\u901a\u7684Windows Phone7\u5e94\u7528\u7a0b\u5e8f\uff0c\u6ca1\u6709\u4ec0\u4e48\u7279\u522b\u4e4b\u5904\u3002\u4ece\u603b\u4f53\u4e0a\u770b\uff0c\u5173\u952e\u7684\u95ee\u9898\u4e3b\u8981\u53d1\u751f\u5728\u6587\u4ef6App.xaml.cs\u4e2d\u3002<\/p>\n
    1.\u6dfb\u52a0\u6240\u9700\u7684\u7ec4\u4ef6<\/strong><\/p>\n
    \u82e5\u8981\u4f7f\u7528Sterling\u6570\u636e\u5e93\uff0c\u9996\u5148\u8981\u6dfb\u52a0\u4f7f\u7528Sterling\u5f15\u64ce\u6240\u9700\u7684\u7ec4\u4ef6\u3002\u4e0b\u9762\u7ed9\u51fa\u5173\u952e\u4ee3\u7801\u90e8\u5206\uff1a<\/p>\n
    \u5217\u88682:\u6dfb\u52a0\u4f7f\u7528Sterling\u5f15\u64ce\u6240\u9700\u7684\u7ec4\u4ef6\u7684\u5173\u952e\u4ee3\u7801<\/p>\n
    \n \n \n 
      \n  \n  \n  
    1. \/\/\u7701\u7565\u5176\u4ed6\u5f15\u7528\u2026 <\/span> <\/span><\/span><\/li>\n  \n  \n  
    2. using<\/span> Wintellect.Sterling;  <\/span><\/li>\n  \n  \n  
    3. using<\/span> WP7SterlingLearning.Database;  <\/span><\/li>\n  \n  \n  
    4. namespace<\/span> WP7SterlingLearning  <\/span><\/li>\n  \n  \n  
    5. {  <\/span><\/li>\n  \n  \n  
    6.    <\/span>public<\/span> partial <\/span>class<\/span> App : Application  <\/span><\/li>\n  \n  \n  
    7.    {  <\/span><\/li>\n  \n  \n  
    8.       <\/span>private<\/span> <\/span>static<\/span> MainViewModel viewModel = <\/span>null<\/span>;  <\/span><\/li>\n  \n  \n  
    9.       <\/span>private<\/span> <\/span>static<\/span> ISterlingDatabaseInstance _database = <\/span>null<\/span>;  <\/span><\/li>\n  \n  \n  
    10.       <\/span>private<\/span> <\/span>static<\/span> SterlingEngine _engine = <\/span>null<\/span>;  <\/span><\/li>\n  \n  \n  
    11.       <\/span>private<\/span> <\/span>static<\/span> SterlingDefaultLogger _logger = <\/span>null<\/span>;  <\/span><\/li>\n  \n  \n  
    12.       <\/span>\/\/The MainViewModel object <\/span> <\/span><\/li>\n  \n  \n  
    13.       <\/span>public<\/span> <\/span>static<\/span> MainViewModel ViewModel  <\/span><\/li>\n  \n  \n  
    14.       {  <\/span><\/li>\n  \n  \n  
    15.          <\/span>get<\/span> <\/span><\/li>\n  \n  \n  
    16.          {     <\/span><\/li>\n  \n  \n  
    17.             <\/span>if<\/span> (viewModel == <\/span>null<\/span>)  <\/span><\/li>\n  \n  \n  
    18.                viewModel = <\/span>new<\/span> MainViewModel();  <\/span><\/li>\n  \n  \n  
    19.             <\/span>return<\/span> viewModel;  <\/span><\/li>\n  \n  \n  
    20.          }  <\/span><\/li>\n  \n  \n  
    21.       }  <\/span><\/li>\n  \n  \n  
    22.       <\/span>public<\/span> <\/span>static<\/span> ISterlingDatabaseInstance Database  <\/span><\/li>\n  \n  \n  
    23.       {  <\/span><\/li>\n  \n  \n  
    24.          <\/span>get<\/span> <\/span><\/li>\n  \n  \n  
    25.          {  <\/span><\/li>\n  \n  \n  
    26.              <\/span>return<\/span> _database;  <\/span><\/li>\n  \n  \n  
    27.          }  <\/span><\/li>\n  \n  \n  
    28.       }  <\/span><\/li>\n  \n  \n  
    29.       <\/span>\/\/\u2026<\/span> <\/span><\/li>\n \n \n <\/ol><\/pre>\n
      \u6ce8\u610f\uff0c\u4e0a\u9762\u7684\u5168\u5c40\u9759\u6001\u5c5e\u6027Database\u7684\u5b9a\u4e49\u6709\u52a9\u4e8e\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u5404\u5904\u5f15\u7528\u8fd9\u4e00\u6570\u636e\u5e93\u3002\u6b64\u5916\uff0c\u53e6\u4e00\u4e2a\u5168\u5c40\u9759\u6001\u5c5e\u6027ViewModel\u4e5f\u8d77\u7740\u7c7b\u4f3c\u7684\u4f5c\u7528\u3002<\/p>\n
      \u5176\u6b21\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u8f85\u52a9\u65b9\u6cd5\u3002***\u4e2a\u65b9\u6cd5_ActivateEngine\u65e8\u5728\u5f53\u7a0b\u5e8f***\u542f\u52a8\u65f6\u6216\u8005\u5f53\u7a0b\u5e8f\u4ece\u5893\u7891(tombstone)\u4e8b\u4ef6\u4e2d\u5524\u9192\u65f6\u6fc0\u6d3b\u6570\u636e\u5e93ContactsDatabase\u3002\u7b2c\u4e8c\u4e2a\u65b9\u6cd5_DeactivateEngine\u7528\u4e8e\u5f53\u5e94\u7528\u7a0b\u5e8f\u9000\u51fa\u6216\u8fdb\u5165\u5230\u5893\u7891(tombstone)\u4e8b\u4ef6\u4e2d\u65f6\u505c\u7528Sterling\u5f15\u64ce\u3002<\/p>\n
      \u5217\u88683:\u65b9\u6cd5_ActivateEngine\u7684\u5173\u952e\u4ee3\u7801\u90e8\u5206<\/p>\n
      \n \n \n 
        \n  \n  \n  
      1. private<\/span> <\/span>void<\/span> _ActivateEngine()  <\/span><\/span><\/li>\n  \n  \n  
      2. {  <\/span><\/li>\n  \n  \n  
      3.    _engine = <\/span>new<\/span> SterlingEngine();  <\/span><\/li>\n  \n  \n  
      4.    _logger = <\/span>new<\/span> SterlingDefaultLogger(SterlingLogLevel.Information);  <\/span><\/li>\n  \n  \n  
      5.    _engine.Activate();  <\/span><\/li>\n  \n  \n  
      6.    _database = _engine.SterlingDatabase.RegisterDatabase();  <\/span><\/li>\n  \n  \n  
      7.    <\/span>\/\/register triggers <\/span> <\/span><\/li>\n  \n  \n  
      8.    var maxIdx1 =  <\/span><\/li>\n  \n  \n  
      9.    _database.Query().Any() ?  <\/span><\/li>\n  \n  \n  
      10.    (from id <\/span>in<\/span> _database.Query()  <\/span><\/li>\n  \n  \n  
      11.    select id.Key).Max() + 1 : 1;  <\/span><\/li>\n  \n  \n  
      12.    _database.RegisterTrigger(<\/span>new<\/span> ContactsDatabase.GroupTrigger(maxIdx1));  <\/span><\/li>\n  \n  \n  
      13.    var maxIdx2 =  <\/span><\/li>\n  \n  \n  
      14.    _database.Query().Any() ?  <\/span><\/li>\n  \n  \n  
      15.    (from id <\/span>in<\/span> _database.Query()  <\/span><\/li>\n  \n  \n  
      16.    select id.Key).Max() + 1 : 1;  <\/span><\/li>\n  \n  \n  
      17.    _database.RegisterTrigger(<\/span>new<\/span> ContactsDatabase.ContactTrigger(maxIdx2));  <\/span><\/li>\n  \n  \n  
      18. }  <\/span><\/li>\n  \n  \n  
      19.  <\/span><\/li>\n  \n  \n  
      20. private<\/span> <\/span>void<\/span> _DeactivateEngine()  <\/span><\/li>\n  \n  \n  
      21. {  <\/span><\/li>\n  \n  \n  
      22.    _logger.Detach();  <\/span><\/li>\n  \n  \n  
      23.    _engine.Dispose();  <\/span><\/li>\n  \n  \n  
      24.    _database = <\/span>null<\/span>;  <\/span><\/li>\n  \n  \n  
      25.    _engine = <\/span>null<\/span>;  <\/span><\/li>\n  \n  \n  
      26. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
        \u8fd9\u91cc\u6709\u51e0\u70b9\u503c\u5f97\u6ce8\u610f\u3002\u9996\u5148\uff0c\u6211\u4eec\u4f7f\u7528\u5185\u7f6e\u7684Sterling\u65e5\u5fd7\u8bb0\u5f55\u5668\u7b80\u5355\u5730\u628a\u6267\u884c\u7ed3\u679c\u8f93\u51fa\u5230\u8c03\u8bd5\u7a97\u53e3\u3002\u4e8b\u5b9e\u4e0a\uff0cSterling\u4e5f\u652f\u6301\u7f16\u5199\u81ea\u5b9a\u4e49\u65e5\u5fd7\u8bb0\u5f55\u5668\u5e76\u6ce8\u518c\u5230Sterling\u5f15\u64ce\u3002\u7136\u800c\uff0c\u6709\u5173\u7f16\u5199\u81ea\u5b9a\u4e49\u65e5\u5fd7\u8bb0\u5f55\u5668\u7684\u95ee\u9898\u5df2\u7ecf\u8d85\u51fa\u4e86\u672c\u6587\u7684\u8303\u56f4\u3002\u5176\u6b21\uff0c\u901a\u8fc7\u8c03\u7528\u65b9\u6cd5RegisterDatabase\u6211\u4eec\u628a\u6570\u636e\u5e93\u6ce8\u518c\u5230Sterling\u5f15\u64ce\u4e2d\u3002\u7b2c\u4e09\uff0c\u6211\u4eec\u628a\u4e24\u4e2a\u5148\u524d\u5b9a\u4e49\u7684\u89e6\u53d1\u5668\u901a\u8fc7\u6570\u636e\u5e93\u7684RegisterTrigger\u65b9\u6cd5\u6ce8\u518c\u5230Sterling\u5f15\u64ce\u3002<\/p>\n
        2.\u5728WP7\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u4e2d\u63a7\u5236Sterling\u5f15\u64ce<\/strong><\/p>\n
        \u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Windows Phone 7\u5e94\u7528\u7a0b\u5e8f\u7684\u56db\u4e2a\u5178\u578b\u7684\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u7684\u7f16\u7a0b\u6765\u8c03\u7528\u4e0a\u9762\u7684\u4e24\u4e2a\u8f85\u52a9\u65b9\u6cd5\u3002<\/p>\n
        \u5217\u88684:\u5728WP7\u5e94\u7528\u7a0b\u5e8f\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u4e2d\u63a7\u5236Sterling\u5f15\u64ce<\/p>\n
        \n \n \n 
          \n  \n  \n  
        1. private<\/span> <\/span>void<\/span> Application_Launching(<\/span>object<\/span> sender, LaunchingEventArgs e)  <\/span><\/span><\/li>\n  \n  \n  
        2. {  <\/span><\/li>\n  \n  \n  
        3.    _ActivateEngine();  <\/span><\/li>\n  \n  \n  
        4. }  <\/span><\/li>\n  \n  \n  
        5. private<\/span> <\/span>void<\/span> Application_Activated(<\/span>object<\/span> sender, ActivatedEventArgs e)  <\/span><\/li>\n  \n  \n  
        6. {  <\/span><\/li>\n  \n  \n  
        7.    _ActivateEngine();  <\/span><\/li>\n  \n  \n  
        8.    <\/span>if<\/span> (!App.ViewModel.IsDataLoaded)  <\/span><\/li>\n  \n  \n  
        9.    {  <\/span><\/li>\n  \n  \n  
        10.       App.ViewModel.LoadData();  <\/span><\/li>\n  \n  \n  
        11.    }  <\/span><\/li>\n  \n  \n  
        12. }  <\/span><\/li>\n  \n  \n  
        13. private<\/span> <\/span>void<\/span> Application_Deactivated(<\/span>object<\/span> sender, DeactivatedEventArgs e)  <\/span><\/li>\n  \n  \n  
        14. {  <\/span><\/li>\n  \n  \n  
        15.    _DeactivateEngine();  <\/span><\/li>\n  \n  \n  
        16. }  <\/span><\/li>\n  \n  \n  
        17. private<\/span> <\/span>void<\/span> Application_Closing(<\/span>object<\/span> sender, ClosingEventArgs e)  <\/span><\/li>\n  \n  \n  
        18. {  <\/span><\/li>\n  \n  \n  
        19.    _DeactivateEngine();  <\/span><\/li>\n  \n  \n  
        20. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
          \u6709\u5173Windows Phone 7\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u8ff0\u56db\u4e2a\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u7684\u89e3\u91ca\uff0c\u8bf7\u53c2\u8003\u5176\u4ed6\u7684Windows Phone 7\u5165\u95e8\u6027\u6587\u7ae0\uff0c\u5728\u6b64\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n
          \u622a\u81f3\u76ee\u524d\uff0cSterling\u6570\u636e\u5e93\u5927\u90e8\u5206\u7684\u76f8\u5173\u5de5\u4f5c\u5df2\u7ecf\u5b8c\u6210\u3002\u968f\u540e\u7684\u4efb\u52a1\u662f\u628aSterling\u6570\u636e\u5e93\u7ed3\u5408\u8fdbWP7\u89c6\u56fe\u9875\u9762\u7684\u7f16\u7a0b\u4e2d\u3002<\/p>\n
          #p#<\/p>\n
          \u4e09\u3001\u7f16\u5199\u89c6\u56fe\u9875\u9762<\/strong><\/p>\n
          \u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5982\u4f55\u7f16\u5199\u4e24\u4e2a\u793a\u4f8b\u7f51\u9875\u3002\u9996\u5148\uff0c***\u4e2a\u9875\u9762MainPage.xaml\u7684\u6784\u5efa\u975e\u5e38\u7b80\u5355\uff0c\u4ec5\u4ec5\u4f7f\u7528\u4e00\u4e2aListBox\u63a7\u4ef6\u6765\u663e\u793a\u7ec4\u6570\u636e\u5217\u8868\u3002<\/p>\n
          \u5217\u88685: \u4e3b\u89c6\u56fe\u9875\u9762XAML\u5173\u952e\u6807\u8bb0\u4ee3\u7801<\/p>\n
          \n \n \n 
            \n  \n  \n  
          1. <<\/span>ListBox<\/span> <\/span>x:Name<\/span>=<\/span>\"MainListBox\"<\/span> <\/span>Margin<\/span>=<\/span>\"0,0,-12,0\"<\/span> <\/span>ItemsSource<\/span>=<\/span>\"{Binding Groups}\"<\/span>   <\/span><\/span><\/li>\n  \n  \n  
          2. SelectionChanged<\/span>=<\/span>\"MainListBox_SelectionChanged\"<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          3.     <\/span><<\/span>ListBox.ItemTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          4.         <\/span><<\/span>DataTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          5.             <\/span><<\/span>StackPanel<\/span> <\/span>Margin<\/span>=<\/span>\"0,0,0,17\"<\/span> <\/span>Width<\/span>=<\/span>\"432\"<\/span> <\/span>Orientation<\/span>=<\/span>\"Horizontal\"<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          6.                 <\/span><<\/span>TextBlock<\/span> <\/span>Text<\/span>=<\/span>\"{Binding GroupId}\"<\/span> <\/span>TextWrapping<\/span>=<\/span>\"Wrap\"<\/span>   <\/span><\/li>\n  \n  \n  
          7. Style<\/span>=<\/span>\"{StaticResource PhoneTextExtraLargeStyle}\"<\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
          8.                 <\/span><<\/span>TextBlock<\/span> <\/span>Text<\/span>=<\/span>\"{Binding GroupName}\"<\/span> <\/span>TextWrapping<\/span>=<\/span>\"Wrap\"<\/span> <\/span>Margin<\/span>=\"12,-  <\/span><\/li>\n  \n  \n  
          9. 6,12,0\" <\/span>Style<\/span>=<\/span>\"{StaticResource PhoneTextSubtleStyle}\"<\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
          10.             <\/span><\/<\/span>StackPanel<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          11.         <\/span><\/<\/span>DataTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          12.     <\/span><\/<\/span>ListBox.ItemTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
          13. <\/<\/span>ListBox<\/span>><\/span> <\/span><\/li>\n \n \n <\/ol><\/pre>\n
            \u73b0\u5728\uff0c\u7a0d\u6709Siverlight\u7ecf\u9a8c\u7684\u8bfb\u8005\u5e94\u5f53\u90fd\u4f1a\u7406\u89e3\u4e0a\u9762\u7684\u6807\u8bb0\u4ee3\u7801\u3002\u8fd9\u91cc\u901a\u8fc7\u4f7f\u7528\u57fa\u672c\u7684\u6570\u636e\u7ed1\u5b9a\u6280\u672f(\u6211\u4eec\u4f7f\u7528ListBox)\u6765\u6e32\u67d3GroupViewModel\u5b9e\u4f8b\u7684\u6bcf\u4e00\u4e2a\u5c5e\u6027\u503c\u3002<\/p>\n
            \u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u4e3b\u89c6\u56fe\u9875\u9762\u540e\u53f0\u4ee3\u7801\u7f16\u5199\u7684\u60c5\u51b5\u3002<\/p>\n
            \u5217\u88686:\u4e3b\u89c6\u56fe\u9875\u9762\u540e\u53f0\u5173\u952e\u4ee3\u7801<\/p>\n
            \n \n \n 
              \n  \n  \n  
            1. namespace<\/span> WP7SterlingLearning  <\/span><\/span><\/li>\n  \n  \n  
            2. {  <\/span><\/li>\n  \n  \n  
            3.    <\/span>public<\/span> partial <\/span>class<\/span> MainPage : PhoneApplicationPage  <\/span><\/li>\n  \n  \n  
            4.    {  <\/span><\/li>\n  \n  \n  
            5.       <\/span>public<\/span> MainPage()  <\/span><\/li>\n  \n  \n  
            6.       {  <\/span><\/li>\n  \n  \n  
            7.          InitializeComponent();  <\/span><\/li>\n  \n  \n  
            8.          DataContext = App.ViewModel;  <\/span><\/li>\n  \n  \n  
            9.          <\/span>this<\/span>.Loaded += <\/span>new<\/span> RoutedEventHandler(MainPage_Loaded);  <\/span><\/li>\n  \n  \n  
            10.       }  <\/span><\/li>\n  \n  \n  
            11.       <\/span>private<\/span> <\/span>void<\/span> MainListBox_SelectionChanged(<\/span>object<\/span> sender, SelectionChangedEventArgs e)  <\/span><\/li>\n  \n  \n  
            12.       {  <\/span><\/li>\n  \n  \n  
            13.          <\/span>if<\/span> (MainListBox.SelectedIndex == -1)  <\/span><\/li>\n  \n  \n  
            14.             <\/span>return<\/span>;  <\/span><\/li>\n  \n  \n  
            15.          NavigationService.Navigate(<\/span>new<\/span> Uri(<\/span>\"\/ContactList.xaml?selectedGroup=\"<\/span> + MainListBox.SelectedIndex, UriKind.Relative));  <\/span><\/li>\n  \n  \n  
            16.          MainListBox.SelectedIndex = -1;  <\/span><\/li>\n  \n  \n  
            17.       }  <\/span><\/li>\n  \n  \n  
            18.       <\/span>private<\/span> <\/span>void<\/span> MainPage_Loaded(<\/span>object<\/span> sender, RoutedEventArgs e)  <\/span><\/li>\n  \n  \n  
            19.       {  <\/span><\/li>\n  \n  \n  
            20.          <\/span>if<\/span> (!App.ViewModel.IsDataLoaded)  <\/span><\/li>\n  \n  \n  
            21.          {  <\/span><\/li>\n  \n  \n  
            22.             App.ViewModel.LoadData();  <\/span><\/li>\n  \n  \n  
            23.          }  <\/span><\/li>\n  \n  \n  
            24.       }  <\/span><\/li>\n  \n  \n  
            25.    }  <\/span><\/li>\n  \n  \n  
            26. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
              \u9996\u5148\uff0c\u5728MainPage\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u628aDataContext\u5c5e\u6027\u7ed1\u5b9a\u5230App.ViewModel\u3002\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\uff0c\u4e5f\u5c55\u793a\u4e86\u6574\u4e2a\u7cfb\u7edf\u7684\u7528\u6237\u63cf\u8ff0\u5c42\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u3002<\/p>\n
              \u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e0bMainPage_Loaded\u65b9\u6cd5-\u6bcf\u6b21\u793a\u4f8b\u9875\u9762\u52a0\u8f7d\u65f6\u90fd\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002\u9884\u5148\u68c0\u67e5\u4e00\u4e0b\u662f\u5426\u6709\u5fc5\u8981\u518d\u6b21\u52a0\u8f7d\u89c6\u56fe\u6a21\u578b\u6570\u636e\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u8bbe\u8ba1\u4e60\u60ef\u3002<\/p>\n
              ***\u4e00\u70b9\u503c\u5f97\u6ce8\u610f\u7684\u662fListBox\u63a7\u4ef6\u7684SelectionChanged\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5224\u65ad\u7528\u6237\u662f\u5426\u70b9\u51fb\u4e86ListBox\u63a7\u4ef6\u4e2d\u7684\u9879\u76ee\u4e4b\u4e00\u3002\u5982\u679c\u6ca1\u6709\u9009\u4e2d\u67d0\u4e2a\u9879\u76ee\uff0c\u5373\u53ef\u8fd4\u56de;\u5426\u5219\uff0c\u6211\u4eec\u628a\u5f53\u524d\u7528\u6237\u5bfc\u822a\u5230\u53e6\u4e00\u4e2a\u7f51\u9875ContactList.xaml\uff0c\u4ee5\u663e\u793a\u5bf9\u5e94\u4e8e\u6240\u9009\u7ec4\u5bf9\u5e94\u7684\u8054\u7cfb\u4eba\u4fe1\u606f\u3002\u6ce8\u610f\uff0c\u5728\u9875\u9762ContactList.xaml\u7684OnNavigatedTo\u4e8b\u4ef6\u5904\u7406\u5668\u4e2d\u6211\u4eec\u4f20\u9012\u8fdb\u53c2\u6570selectedGroup\u3002<\/p>\n
              \u81f3\u4e8e\u9875\u9762ContactList.xaml\uff0c\u6709\u70b9\u590d\u6742\uff0c\u4f46\u4ecd\u7136\u5f88\u5bb9\u6613\u7406\u89e3\u3002\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u8fd9\u4e2a\u9875\u9762\u7684XAML\u6807\u8bb0\u4ee3\u7801\u7684\u60c5\u51b5\u3002<\/p>\n
              \u5217\u88687: \u9875\u9762ContactList.xaml\u7684XAML\u6807\u8bb0\u4ee3\u7801<\/p>\n
              \n \n \n 
                \n  \n  \n  
              1. <<\/span>Grid<\/span> <\/span>x:Name<\/span>=<\/span>\"ContentPanel\"<\/span> <\/span>Grid.Row<\/span>=<\/span>\"1\"<\/span> <\/span>Margin<\/span>=<\/span>\"12,0,12,0\"<\/span>><\/span> <\/span><\/span><\/li>\n  \n  \n  
              2.     <\/span><<\/span>ListBox<\/span> <\/span>x:Name<\/span>=<\/span>\"MainListBox\"<\/span> <\/span>Margin<\/span>=<\/span>\"0,0,-12,0\"<\/span> <\/span>><\/span> <\/span><\/li>\n  \n  \n  
              3.         <\/span><<\/span>ListBox.ItemTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              4.             <\/span><<\/span>DataTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              5.                 <\/span><<\/span>StackPanel<\/span> <\/span>Margin<\/span>=<\/span>\"0,0,0,17\"<\/span> <\/span>Width<\/span>=<\/span>\"432\"<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              6.                     <\/span><<\/span>TextBlock<\/span> <\/span>Text<\/span>=<\/span>\"{Binding GroupId}\"<\/span> <\/span>TextWrapping<\/span>=<\/span>\"Wrap\"<\/span> <\/span><\/li>\n  \n  \n  
              7.  <\/span><\/li>\n  \n  \n  
              8. Style<\/span>=<\/span>\"{StaticResource PhoneTextExtraLargeStyle}\"<\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
              9.                     <\/span><<\/span>TextBlock<\/span> <\/span>Text<\/span>=<\/span>\"{Binding Id}\"<\/span> <\/span>TextWrapping<\/span>=<\/span>\"Wrap\"<\/span> <\/span>Margin<\/span>=<\/span>\"12,-6,12,0\"<\/span> <\/span><\/li>\n  \n  \n  
              10.  <\/span><\/li>\n  \n  \n  
              11. Style<\/span>=<\/span>\"{StaticResource PhoneTextSubtleStyle}\"<\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
              12.                     <\/span><<\/span>TextBlock<\/span> <\/span>Text<\/span>=<\/span>\"{Binding Name}\"<\/span> <\/span>TextWrapping<\/span>=<\/span>\"Wrap\"<\/span> <\/span><\/li>\n  \n  \n  
              13.  <\/span><\/li>\n  \n  \n  
              14. Style<\/span>=<\/span>\"{StaticResource PhoneTextExtraLargeStyle}\"<\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
              15.                     <\/span><<\/span>TextBlock<\/span> <\/span>Text<\/span>=<\/span>\"{Binding Email}\"<\/span> <\/span>TextWrapping<\/span>=<\/span>\"Wrap\"<\/span> <\/span>Margin<\/span>=\"12,-  <\/span><\/li>\n  \n  \n  
              16.  <\/span><\/li>\n  \n  \n  
              17. 6,12,0\" <\/span>Style<\/span>=<\/span>\"{StaticResource PhoneTextSubtleStyle}\"<\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
              18. <<\/span>Image<\/span> <\/span>Source<\/span>=\"{Binding ThumbNail,<\/span>Converter<\/span>={StaticResource  <\/span><\/li>\n  \n  \n  
              19.  <\/span><\/li>\n  \n  \n  
              20. ImageConverter1}}\" <\/span>\/><\/span> <\/span><\/li>\n  \n  \n  
              21.                 <\/span><\/<\/span>StackPanel<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              22.             <\/span><\/<\/span>DataTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              23.         <\/span><\/<\/span>ListBox.ItemTemplate<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              24.     <\/span><\/<\/span>ListBox<\/span>><\/span> <\/span><\/li>\n  \n  \n  
              25. <\/<\/span>Grid<\/span>><\/span> <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                \u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0c\u6211\u4eec\u8fd8\u5229\u7528\u4e00\u4e2aListBox\u63a7\u4ef6\u6765\u5c55\u793a\u8054\u7cfb\u4eba\u4fe1\u606f\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u4f7f\u7528\u4e86\u5178\u578b\u7684Silverlight\u6570\u636e\u7ed1\u5b9a\u6280\u672f\u3002\u603b\u4f53\u6765\u770b\uff0c\u4e0a\u9762\u4ee3\u7801\u4e2d\u53ea\u6709\u4e00\u70b9\u503c\u5f97\u6ce8\u610f\uff0c\u5373\u56fe\u50cf\u6570\u636e\u7684\u663e\u793a\u95ee\u9898\u3002\u4e3a\u6b64\uff0c\u4ee3\u7801\u4e2d\u4f7f\u7528\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u7c7b\u578b\u8f6c\u6362\u5668\u3002<\/p>\n
                \u5217\u88688: \u81ea\u5b9a\u4e49\u7684\u7c7b\u578b\u8f6c\u6362\u5668\u4ee3\u7801<\/p>\n
                \n \n \n 
                  \n  \n  \n  
                1. public<\/span> <\/span>class<\/span> imageUrlConverter : IValueConverter  <\/span><\/span><\/li>\n  \n  \n  
                2. {  <\/span><\/li>\n  \n  \n  
                3.    <\/span>public<\/span> <\/span>object<\/span> Convert(<\/span>object<\/span> value, Type targetType, <\/span>object<\/span> parameter,  <\/span><\/li>\n  \n  \n  
                4.    System.Globalization.CultureInfo culture)  <\/span><\/li>\n  \n  \n  
                5.    {  <\/span><\/li>\n  \n  \n  
                6.       <\/span>if<\/span> (value == <\/span>null<\/span> || parameter == <\/span>null<\/span>)  <\/span><\/li>\n  \n  \n  
                7.       {  <\/span><\/li>\n  \n  \n  
                8.          <\/span>return<\/span> value;  <\/span><\/li>\n  \n  \n  
                9.       }  <\/span><\/li>\n  \n  \n  
                10.       <\/span>return<\/span> <\/span>new<\/span> BitmapImage(<\/span>new<\/span> Uri((<\/span>string<\/span>)value, UriKind.RelativeOrAbsolute));  <\/span><\/li>\n  \n  \n  
                11.    }  <\/span><\/li>\n  \n  \n  
                12.    <\/span>public<\/span> <\/span>object<\/span> ConvertBack(<\/span>object<\/span> value, Type targetType, <\/span>object<\/span> parameter,  <\/span><\/li>\n  \n  \n  
                13.    System.Globalization.CultureInfo culture)  <\/span><\/li>\n  \n  \n  
                14.    {  <\/span><\/li>\n  \n  \n  
                15.       <\/span>throw<\/span> <\/span>new<\/span> NotImplementedException();  <\/span><\/li>\n  \n  \n  
                16.    }  <\/span><\/li>\n  \n  \n  
                17. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                  \u6ce8\u610f\uff0c\u5728\u672c\u793a\u4f8b\u5b9e\u73b0\u65b9\u6848\u4e2d\uff0c\u5728\u6784\u5efa\u8054\u7cfb\u4ebaContact\u7684\u5b9e\u4f8b\u65f6\uff0c\u6211\u4eec\u53ea\u6301\u6709\u5728ThumbNail\u5c5e\u6027\u4e2d\u5b58\u50a8\u7684\u8054\u7cfb\u4eba\u76f8\u5173\u7f29\u7565\u56fe\u7684\u8def\u5f84\u4fe1\u606f\u3002\u4e0a\u9762\u8f6c\u6362\u5668\u7684\u5173\u952e\u5728\u4e8eConvert\u65b9\u6cd5\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u56fe\u7247\u8def\u5f84\u8fd4\u56de\u5bf9\u5e94\u4e8e\u7f29\u7565\u56fe\u7684BitmapImage\u5b9e\u4f8b\u3002\u7136\u540e\uff0c\u6211\u4eec\u5c06\u5b83\u8bbe\u7f6e\u4e3a\u56fe\u50cf\u63a7\u4ef6\u7684Source\u5c5e\u6027\u3002<\/p>\n
                  \u81f3\u4e8e\u9875\u9762ContactList.xaml\u540e\u53f0\u4ee3\u7801\u7684\u5b9e\u73b0\u5c31\u5f88\u7b80\u5355\u4e86\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
                  \u5217\u88689: \u9875\u9762ContactList.xaml\u540e\u53f0\u4ee3\u7801\u7684\u5b9e\u73b0<\/p>\n
                  \n \n \n 
                    \n  \n  \n  
                  1. protected<\/span> <\/span>override<\/span> <\/span>void<\/span> OnNavigatedTo(NavigationEventArgs e)  <\/span><\/span><\/li>\n  \n  \n  
                  2. {  <\/span><\/li>\n  \n  \n  
                  3.    <\/span>string<\/span> selectedGroup = <\/span>\"\"<\/span>;  <\/span><\/li>\n  \n  \n  
                  4.    <\/span>if<\/span> (NavigationContext.QueryString.TryGetValue(<\/span>\"selectedGroup\"<\/span>, <\/span>out<\/span> selectedGroup))  <\/span><\/li>\n  \n  \n  
                  5.    {  <\/span><\/li>\n  \n  \n  
                  6.       <\/span>int<\/span> iGroup = <\/span>int<\/span>.Parse(selectedGroup);  <\/span><\/li>\n  \n  \n  
                  7.       <\/span>\/\/ Query from Database by key <\/span> <\/span><\/li>\n  \n  \n  
                  8.       var contactList =from key <\/span>in<\/span> <\/span><\/li>\n  \n  \n  
                  9.       App.Database.Query().Where(  <\/span><\/li>\n  \n  \n  
                  10.          x => x.LazyValue.Value.GroupId == iGroup + 1).ToList() select key.LazyValue.Value;  <\/span><\/li>\n  \n  \n  
                  11.       MainListBox.ItemsSource=contactList;  <\/span><\/li>\n  \n  \n  
                  12.    }  <\/span><\/li>\n  \n  \n  
                  13. } <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                    OnNavigatedTo\u65b9\u6cd5\u662fSilverlight for WP7\u4e2d\u7684\u57fa\u672c\u5bfc\u822a\u65b9\u6cd5\uff0c\u4e0d\u5fc5\u518d\u8d58\u8ff0\u4e86\u3002\u5728\u4e0a\u9762\u4ee3\u7801\u4e2d\uff0c\u4e00\u65e6\u6211\u4eec\u63a5\u6536\u4e0bselectedGroup\u53c2\u6570\uff0c\u6211\u4eec\u5373\u4f7f\u7528\u5b83\u6765\u521b\u5efa\u4e00\u4e2a\u6807\u51c6\u7684Sterling\u67e5\u8be2\u8bed\u53e5\u3002\u6ce8\u610f\uff0c\u8981\u60f3\u5168\u9762\u9886\u4f1a\u8fd9\u91cc\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u4f60\u5e94\u8be5\u5148\u77e5\u9053LazyValue\u5728Sterling\u4f7f\u7528\u4e2d\u6240\u8d77\u7684\u91cd\u8981\u4f5c\u7528\u3002***\uff0c\u6211\u4eec\u628a\u67e5\u8be2\u7ed3\u679c\u7ed1\u5b9a\u5230ListBox\u63a7\u4ef6\u7684ItemsSource\u5c5e\u6027\u3002\u8fd9\u5c31\u662f\u5168\u90e8!<\/p>\n
                    #p#<\/p>\n
                    \u56db\u3001\u603b\u7ed3<\/strong><\/p>\n
                    \u5728\u672c\u7cfb\u5217\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u53ea\u662f\u521d\u6b65\u4ecb\u7ecd\u4e86Sterling\u8fd9\u6b3e\u5f00\u6e90\u7684\u9762\u5411\u5bf9\u8c61\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\u5728Silverlight for Windows Phone 7\u4e2d\u7684\u57fa\u672c\u5e94\u7528\u601d\u8def\u548c\u64cd\u4f5c\u6280\u5de7\u3002\u5f88\u663e\u7136\uff0c\u5982\u679c\u8bfb\u8005\u4ee5\u524d\u672a\u66fe\u6709\u8fc7\u9762\u5411\u5bf9\u8c61\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\uff0c\u4f60\u4f1a\u611f\u89c9\u5230Sterling\u7684\u5b9e\u73b0\u67b6\u6784\u6709\u4e9b\u964c\u751f\u3002\u7136\u800c\uff0c\u5982\u679c\u60a8\u5df2\u7ecf\u6709\u624e\u5b9e\u7684C#\u9762\u5411\u5bf9\u8c61\u548cLINQ to Object\u57fa\u7840\uff0c\u90a3\u4e48\uff0c\u5feb\u901f\u5165\u95e8Sterling\u4e5f\u4e0d\u662f\u4ec0\u4e48\u96be\u4e8b\u3002\u5f53\u7136\uff0c\u4e0d\u540c\u4e8e\u4f20\u7edf\u7684\u5173\u7cfb\u6570\u636e\u5e93\uff0c\u5728\u4f7f\u7528Sterling\u524d\uff0c\u4f60***\u9884\u5148\u638c\u63e1\u4e00\u4e9b\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u8bbe\u8ba1\u6280\u672f\uff0c\u7279\u522b\u662f\u638c\u63e1\u4e00\u4e9b\u9762\u5411\u5bf9\u8c61\u7684\u6570\u636e\u5e93\u7406\u8bba\u3002\u968f\u7740Sterling\u5728\u4f60\u5fc3\u4e2d\u4e0d\u65ad\u624e\u6839\uff0c\u4f60\u4f1a\u53d1\u73b0Sterling\u662f\u4e00\u4e2a\u76f8\u5f53\u4e0d\u9519\u7684\u5de5\u5177-\u8f7b\u91cf\u7ea7\u800c\u4e14\u9ad8\u6548\u7387\uff0c\u975e\u5e38\u9002\u5408Windows Phone 7\u6570\u636e\u9a71\u52a8\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002\u5b9e\u9645\u4e0a\uff0c\u672c\u6587\u4ecb\u7ecd\u7684\u53ea\u4e0d\u8fc7\u662f\u89e6\u53ca\u4e86Sterling\u7684\u4e00\u70b9\u76ae\u6bdb\uff0c\u8fd8\u6709\u66f4\u591a\u66f4\u597d\u7684\u4e1c\u897f\u7b49\u7740\u60a8\u81ea\u5df1\u53bb\u6df1\u5165\u6316\u6398\u3002<\/p>\n
                    \u3010\u7f16\u8f91\u63a8\u8350\u3011<\/p>\n
                      \n
                    1. \u4e3a\u60a8\u4ecb\u7ecd\u51e0\u6b3e\u5f00\u6e90\u7684\u6570\u636e\u6316\u6398\u5de5\u5177<\/li>\n
                    2. \u544a\u8bc9\u4f60\u5982\u4f55\u89e3\u51b3MySQL server has gone away\u95ee\u9898<\/li>\n
                    3. \u6570\u636e\u5e93\u4e2d\u5206\u7ec4\u5b57\u7b26\u4e32\u76f8\u52a0<\/li>\n
                    4. SQL\u70b9\u6ef4\u4e4b\u6536\u96c6SQL Server\u7ebf\u7a0b\u7b49\u5f85\u4fe1\u606f<\/li>\n
                    5. \u6570\u636e\u5e93\u7684\u6027\u80fd\u5df2\u6210\u91cd\u591a\u5382\u5546\u5173\u6ce8\u7684\u7126\u70b9<\/li>\n<\/ol>\n
                        <\/p>\n","protected":false},"excerpt":{"rendered":"
                      Sterling\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\u8f6f\u4ef6\u3002\u5728\u672c\u7bc7\u4e2d\uff0c\u6211\u4eec\u5c06\u5206\u6790\u5982\u4f55\u628aSterling\u6570\u636e\u5e93\u96c6\u6210\u5230Windo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-310166","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/310166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=310166"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/310166\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=310166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=310166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=310166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}