/// <summary>
/// This is the click handler for the Search button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async private void Search_Click(object sender, RoutedEventArgs e)
{
OutputProgressRing.IsActive = true;
Windows.Storage.Search.QueryOptions queryOptions = new Windows.Storage.Search.QueryOptions(Windows.Storage.Search.CommonFileQuery.OrderBySearchRank, null);
queryOptions.UserSearchFilter = QueryInputBox.Text;
// This try/catch block is for scenarios where the Homegroup Known Folder is not available.
try
{
Windows.Storage.Search.StorageFileQueryResult queryResults = Windows.Storage.KnownFolders.HomeGroup.CreateFileQueryWithOptions(queryOptions);
System.Collections.Generic.IReadOnlyList <Windows.Storage.StorageFile> files = await queryResults.GetFilesAsync();
if (files.Count > 0)
{
string outputString = (files.Count == 1) ? "One file found\n\n" : files.Count.ToString() + " files found\n\n";
foreach (Windows.Storage.StorageFile file in files)
{
outputString += file.Name + "\n";
}
rootPage.NotifyUser(outputString, NotifyType.StatusMessage);
}
else
{
rootPage.NotifyUser("No files found.", NotifyType.StatusMessage);
}
}
catch (Exception ex)
{
rootPage.NotifyUser(ex.Message, NotifyType.ErrorMessage);
}
OutputProgressRing.IsActive = false;
}
/// <summary>
/// This is the click handler for all four buttons in this example.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async private void Default_Click(object sender, RoutedEventArgs e)
{
Button b = sender as Button;
if (b != null)
{
OutputProgressRing.IsActive = true;
// Each visible button was previously set to display a homegroup user's name
string userName = b.Content.ToString();
// This try/catch block is for scenarios where the Homegroup Known Folder is not available.
try
{
System.Collections.Generic.IReadOnlyList <Windows.Storage.StorageFolder> hgFolders = await Windows.Storage.KnownFolders.HomeGroup.GetFoldersAsync();
bool userFound = false;
foreach (Windows.Storage.StorageFolder folder in hgFolders)
{
if (folder.DisplayName == userName)
{
// We've found the folder belonging to the target user; search for all files under it
userFound = true;
Windows.Storage.Search.QueryOptions queryOptions = new Windows.Storage.Search.QueryOptions(Windows.Storage.Search.CommonFileQuery.OrderBySearchRank, null);
queryOptions.UserSearchFilter = "*";
Windows.Storage.Search.StorageFileQueryResult queryResults = folder.CreateFileQueryWithOptions(queryOptions);
System.Collections.Generic.IReadOnlyList <Windows.Storage.StorageFile> files = await queryResults.GetFilesAsync();
if (files.Count > 0)
{
string outputString = (files.Count == 1) ? "One file found\n\n" : files.Count.ToString() + " files found\n\n";
foreach (Windows.Storage.StorageFile file in files)
{
outputString += file.Name + "\n";
}
rootPage.NotifyUser(outputString, NotifyType.StatusMessage);
}
else
{
rootPage.NotifyUser("No files found.", NotifyType.StatusMessage);
}
}
}
if (!userFound)
{
rootPage.NotifyUser("The user " + userName + " was not found on the HomeGroup.", NotifyType.ErrorMessage);
}
}
catch (Exception ex)
{
rootPage.NotifyUser(ex.Message, NotifyType.ErrorMessage);
}
OutputProgressRing.IsActive = false;
}
}
/// <summary>
/// Returns an instance of the StorageFile for the specified filename in the specified storage folder (overloaded).
/// </summary>
/// <param name="filename">The instance of the StorageFolder.</param>
/// <param name="Folder">The name of the file.</param>
/// <returns>Instance of StorageFile</returns>
public static async Task <StorageFile> GetFile(string filename, StorageFolder Folder)
{
StorageFile file = null;
// Set the default parentFolder to the LocalFolder, if not defilned.
var dataFolder = Folder ?? Windows.Storage.ApplicationData.Current.LocalFolder;
// Get the files available from the localFolder
Windows.Storage.Search.StorageFileQueryResult fileResults = dataFolder.CreateFileQuery();
// Get the list of files from the query against the localFolder
IReadOnlyList <StorageFile> fileList = await fileResults.GetFilesAsync();
// Look for our file in the results.
file = fileList.SingleOrDefault(f => f.Name == filename);
return(file);
}
public async Task <StorageFile> GetFile(string filename)
{
StorageFile file = null;
// Access variable for the local storage system, where we're going to store the Student records.
Windows.Storage.StorageFolder localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
// Get the files available from the localFolder
Windows.Storage.Search.StorageFileQueryResult fileResults = localFolder.CreateFileQuery();
// Get the list of files from the query against the localFolder
var fileList = await fileResults.GetFilesAsync();
// Look for our file in the results.
file = fileList.SingleOrDefault(f => f.Name == filename);
return(file);
}
