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Encoding Data Matrix in Visual C# Managing Search

One solution for this problem is to plug both drives into the system at the same time. If this isn t possible, the other solution is to manually assign a higher drive letter to one or both of the drives. For example, using the Disk Management console, you could assign the drive letter S to External Drive 2. picking a high drive letter significantly reduces the possibility that the drive letter will be recycled. picking a letter in the middle of the alphabet is best because Windows assigns drive letters from the end of the alphabet for mapped drives by default.

Managing the search experience for users mainly requires educating them about the powerful new search capabilities built into Windows 7 . The sections that follow provide an overview of these search capabilities and how to configure the search experience for users using Group Policy .

With the new Search tab found in Folder Options in Control Panel (see Figure 19-6), users can configure different aspects of the Windows Search experience to meet their needs, including what to search, how to search, and what should happen when searching nonindexed locations within Windows Explorer .

By default, Windows 7 Search is configured to search for both file names and the contents of files when searching indexed locations . When searching nonindexed locations, only file names are searched . For example, searching the %Windir% folder for log will return all files and subfolders under %Windir% that satisfy any of these conditions:

The files are named log or Log (the function is case insensitive) . The file names use log as a prefix . This means, for example, that searching for log might return logger, logarithm, or even fire-log (the hyphen acts as a word separator), but it won t return blog or firelog because these file names do not have log as a prefix . The files have the .log file extension .

To perform such a search, open Windows Explorer, select the C:\Windows directory in the navigation pane, and type log in the Search box at the upper-right part of the window (see Figure 19-7) . Note that the %Windir% folder is not indexed by default, so searching this folder is slow because it uses the grep method instead of the Windows Search service . (This method was used by the Search Assistant in Windows XP .) On the other hand, searching the user s Documents library returns results almost instantaneously because the user s Documents library is indexed by default and the Windows Search service simply has to query the catalog to obtain the results .

By selecting Always Search File Names And Contents (This Might Take Several Minutes) under What To Search on the Search tab of the Folder Options window, users can modify this default search behavior so that Windows searches for both file names and the contents of files, even when searching locations that are not being indexed . Note that doing this can slow down the search process considerably for such locations . A better approach is to mark these

locations for indexing . As shown in Figure 19-7, searching a nonindexed folder using Windows Explorer causes a yellow notification bar to be displayed that says Searching might be slow for nonindexed locations: foldername . Click to add to index . By clicking this notification bar and selecting Add To Index, users can cause the selected folder to be added to the indexing scope on their computer .

The following options configure how searching is performed:

Include Subfolders In Search Results When Searching In File Folders This option is enabled by default and causes Windows to search within subfolders when you search from any Windows Explorer window . Clearing this option will cause Windows to search only within the selected folder . Find Partial Matches This option is enabled by default and causes Windows to display results as you type your search . For example, if you type fi in the Search box on the Start menu, one of the results returned will be Windows Firewall because the second word in this program name begins with fi . If you disable this option, however, you will need to type the entire word Firewall before it will be displayed in your search results . Use Natural language Search Selecting this option causes Windows to interpret the search string as natural language . For example, searching for e-mail from Karen would return all mail messages received from users named Karen . Don t Use The Index When Searching In File Folders For System Files (Searches Might Take longer) Selecting this option causes Windows to always use the slower grep method for searching file names . The contents of files are not searched when this is selected and the setting Always Search File Names And Contents (Might Be Slow) is also selected .