Metro style app 文件查找（条件为用户输入的匹配条件）
private
async
void
SearchButton_Click(
object
sender, RoutedEventArgs e)
{
StorageFolder musicFolder = KnownFolders.MusicLibrary;
List<
string
> fileTypeFilter =
new
List<
string
>();
fileTypeFilter.Add(
"*"
);
QueryOptions queryOptions =
new
QueryOptions(CommonFileQuery.OrderBySearchRank, fileTypeFilter);
//use the user's input to make a query
queryOptions.UserSearchFilter = InputTextBox.Text;
StorageFileQueryResult queryResult = musicFolder.CreateFileQueryWithOptions(queryOptions);
StringBuilder outputText =
new
StringBuilder();
//find all files that match the query
IReadOnlyList<StorageFile> files = await queryResult.GetFilesAsync();
//output how many files that match the query were found
if
(files.Count == 0)
{
outputText.Append(
"No files found for '"
+ queryOptions.UserSearchFilter +
"'"
);
}
else
if
(files.Count == 1)
{
outputText.Append(files.Count +
" file found:\n\n"
);
}
else
{
outputText.Append(files.Count +
" files found:\n\n"
);
}
//output the name of each file that matches the query
foreach
(StorageFile file
in
files)
{
outputText.Append(file.Name +
"\n"
);
}
OutputTextBlock.Text = outputText.ToString();
}
|
本文转自Work Hard Work Smart博客园博客，原文链接：http://www.cnblogs.com/linlf03/archive/2012/07/26/2610563.html，如需转载请自行联系原作者
