void MainPage_Loaded(object sender, RoutedEventArgs e)
{
// Load isolated storage file
_isofile = IsolatedStorageFile.GetUserStoreForApplication();
// Display isolated storage file info
RefreshAvailableSize();
// Load isolated storage treeview ViewModel
_isoroot = LoadIsoRoot();
// Display treeview
tvIsolatedStorage.ItemsSource = new ObservableCollection <IsoFile> {
_isoroot
};
// Retrieve last login date from IsolatedStorageSettings
if (IsolatedStorageSettings.ApplicationSettings.Contains("lastLogin"))
{
var date = IsolatedStorageSettings.ApplicationSettings["lastLogin"].ToString();
tbAppInfo.Text = "Last time this application ran was: " + date;
}
else
{
tbAppInfo.Text = "Last time this application ran is not known.";
}
// Save login time in IsolatedStorageSettings
IsolatedStorageSettings.ApplicationSettings["lastLogin"] = DateTime.Now;
// Update operation panel
UpdateOperationPanel();
}
// Helper method: get parent directory
IsoDirectory GetParentDir(IsoDirectory root, IsoFile child)
{
if (string.IsNullOrEmpty(child.FilePath))
{
return(null);
}
else
{
string[] dirs = child.FilePath.Split('/');
IsoDirectory cur = root;
for (int i = 1; i < dirs.Length - 1; i++)
{
IsoDirectory next = cur.Children.FirstOrDefault(dir => dir.FileName == dirs[i]) as IsoDirectory;
if (next != null)
{
cur = next;
}
else
{
return(null);
}
}
return(cur);
}
}
// Load isolated storage view model
IsoDirectory LoadIsoRoot()
{
var root = new IsoDirectory("Root", null);
AddFileToDirectory(root, _isofile);
return(root);
}
// Add dir/file recursively
void AddFileToDirectory(IsoDirectory dir, IsolatedStorageFile isf)
{
string[] childrendir, childrenfile;
if (string.IsNullOrEmpty(dir.FilePath))
{
childrendir = isf.GetDirectoryNames();
childrenfile = isf.GetFileNames();
}
else
{
childrendir = isf.GetDirectoryNames(dir.FilePath + "/");
childrenfile = isf.GetFileNames(dir.FilePath + "/");
}
// Add directory entity
foreach (var dirname in childrendir)
{
var childdir = new IsoDirectory(dirname, dir.FilePath + "/" + dirname);
AddFileToDirectory(childdir, isf);
dir.Children.Add(childdir);
}
// Add file entity
foreach (var filename in childrenfile)
{
dir.Children.Add(new IsoFile(filename, dir.FilePath + "/" + filename));
}
}
void MainPage_Loaded(object sender, RoutedEventArgs e)
{
// 加载独立存储器文件
_isofile = IsolatedStorageFile.GetUserStoreForApplication();
// 显示独立存储器文件信息
RefreshAvailableSize();
// 加载独立存储器树目录查看模型
_isoroot = LoadIsoRoot();
// 显示树目录
tvIsolatedStorage.ItemsSource = new ObservableCollection <IsoFile> {
_isoroot
};
// 从IsolatedStorageSettings取得上次登陆时间
if (IsolatedStorageSettings.ApplicationSettings.Contains("lastLogin"))
{
var date = IsolatedStorageSettings.ApplicationSettings["lastLogin"].ToString();
tbAppInfo.Text = "上次本应用程序运行时间为: " + date;
}
else
{
tbAppInfo.Text = "没有上次本应用程序运行时间。";
}
// 保存登陆时间到IsolatedStorageSettings
IsolatedStorageSettings.ApplicationSettings["lastLogin"] = DateTime.Now;
// 更新操作面板
UpdateOperationPanel();
}
void MainPage_Loaded(object sender, RoutedEventArgs e)
{
// 加载独立存储器文件
_isofile = IsolatedStorageFile.GetUserStoreForApplication();
// 显示独立存储器文件信息
RefreshAvailableSize();
// 加载独立存储器树目录查看模型
_isoroot = LoadIsoRoot();
// 显示树目录
tvIsolatedStorage.ItemsSource = new ObservableCollection<IsoFile> { _isoroot };
// 从IsolatedStorageSettings取得上次登陆时间
if (IsolatedStorageSettings.ApplicationSettings.Contains("lastLogin"))
{
var date = IsolatedStorageSettings.ApplicationSettings["lastLogin"].ToString();
tbAppInfo.Text = "上次本应用程序运行时间为: "+date;
}
else
tbAppInfo.Text = "没有上次本应用程序运行时间。";
// 保存登陆时间到IsolatedStorageSettings
IsolatedStorageSettings.ApplicationSettings["lastLogin"] = DateTime.Now;
// 更新操作面板
UpdateOperationPanel();
}
// 加载独立存储器查看模型
IsoDirectory LoadIsoRoot()
{
var root = new IsoDirectory("Root", null);
AddFileToDirectory(root, _isofile);
return root;
}
// Helper 方法: 取得父目录
IsoDirectory GetParentDir(IsoDirectory root, IsoFile child)
{
if (string.IsNullOrEmpty(child.FilePath))
return null;
else
{
string[] dirs = child.FilePath.Split('/');
IsoDirectory cur = root;
for (int i = 1; i < dirs.Length - 1; i++)
{
IsoDirectory next = cur.Children.FirstOrDefault(dir => dir.FileName == dirs[i]) as IsoDirectory;
if (next != null)
cur = next;
else
return null;
}
return cur;
}
}
// 用递归方法增加目录/文件
void AddFileToDirectory(IsoDirectory dir, IsolatedStorageFile isf)
{
string[] childrendir, childrenfile;
if (string.IsNullOrEmpty(dir.FilePath))
{
childrendir = isf.GetDirectoryNames();
childrenfile = isf.GetFileNames();
}
else
{
childrendir = isf.GetDirectoryNames(dir.FilePath + "/");
childrenfile = isf.GetFileNames(dir.FilePath + "/");
}
// 增加目录实体
foreach (var dirname in childrendir)
{
var childdir = new IsoDirectory(dirname, dir.FilePath + "/" + dirname);
AddFileToDirectory(childdir, isf);
dir.Children.Add(childdir);
}
// 增加文件实体
foreach (var filename in childrenfile)
{
dir.Children.Add(new IsoFile(filename, dir.FilePath + "/" + filename));
}
}
