data matrix reader .net

.net data matrix reader

data matrix reader .net

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An empty menu appears on the form, and a component appears in the component tray. Name it msBrowser. 2. To add the Help menu, select the menu strip on the form, click the Smart Tag, and then select Insert Standard Items. You ll get a familiar Windows application menu strip and its menu choices with their submenus, icons, and keyboard shortcuts. 3. Delete all menu choices except the Help menu and the About menu choice in the Help menu. To perform this cleanup, select any menu choice, right-click to open the contextual menu, and select Delete to remove it. Also remove the menu separators (that is, the lines separating menu choices). 4. To wire the new About form to the About menu choice, double-click the About menu choice to get to the aboutToolStripMenuItem_Click event handler. 5. Add the following line of code to the Browser.cs file just above the browser constructor, that is, public Browser(). Adding this line of code means you can exchange data with this form when needed:

Do not edit the registry unless you have no alternative. The Registry Editor bypasses standard safeguards, allowing settings that can damage your system or even require you to reinstall Windows. If you must edit the registry, back it up first.

Microsoft Windows 2000 introduced client-side caching functionality, now called Offline Files, which is an IntelliMirror management technology that allows network users to access files on network shares even when the client computer is disconnected from the network. When disconnected from the network, mobile users can still browse, read, and edit files by using the same UNC path that is used on the network because the files have been cached on the client computer. When the user later connects to the server, the system reconciles the changes with the server. The Windows XP Professional client can use EFS to encrypt offline files and folders. This feature is especially attractive for traveling professionals who need to work offline periodically and maintain data security.

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To encrypt offline files 1. In My Computer, on the Tools menu, click Folder Options. 2. On the Offline Files tab, select Enable Offline Files and Encrypt offline files to secure data, and click OK. Offline files will now be encrypted when cached locally, even if they were not encrypted in the network folder.

6 Select Enable TCP/IP Filtering (All Adapters). 7 For each of the sections, TCP Ports, UDP Ports, and IP Protocols, select either

Because encryption is an attribute of a file or folder, it is possible to determine whether a file or folder is already encrypted by examining its attributes. You can open the Advanced Properties sheet for the file or folder and see that the Encrypt contents to secure data check box is selected. You can also add the Attributes column to the Details view. When you do this, any file with an E attribute is encrypted and any folder with an E attribute has the encryption attribute set. Both encrypted and compressed files can be displayed with alternate colors in My Computer. Encrypted files are green, and compressed files are blue. Files and folders can either be encrypted or compressed, but they cannot be both encrypted and compressed. To display encrypted files in an alternate color 1. In My Computer, on the Tools menu, click Folder Options. 2. On the View tab, select the Show encrypted or compressed NTFS files in color check box, and click OK. All encrypted file and folder names are displayed in green.

Use the cipher command with no parameters or with a file or folder name to display encryption status. In the following example, the encryption status of files and folders in the X:\Project docs directory is displayed. Cipher is executed without any parameters. An E in the left column means that the file or folder is encrypted, and a U means that it is unencrypted.

X:\Project docs>cipher Listing X:\Project docs\ New files added to this directory will be encrypted. E cipher E plan2.txt E plan3.txt E plan4.txt E plan5.txt E plan6.txt E plan7.txt E plan8.txt E secretplan.txt

Permit All or Permit Only. If you select Permit Only, click the Add button to add only the ports or protocols that will be accepted. If you change your mind at any time, select the port or protocol and click Remove.

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