ASP.NET Web PDF Document Viewer/Editor Control Library

As you learned when looking at rollover icons, the main problem with this system is that you cannot insert this code into a menu until your app executes, whereas what you really want is to add the menu item before it executes. As with icons, the solution is to add the custom menu items within an auto-start application or library so you have a chance to run your code when the device powers on.

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If you have built policies for Open Directory using Workgroup Manager then the items in the resulting list will seem familiar to you This is because the developers of VAS have gone through and copied the policies available in Workgroup Manager A common managed preference is to limit removable media options for clients The terminology that Quest uses to do so is a Media Access policy object From the Domain Policy screen, double-click on any feature (in this case Media Access) to bring up the Properties screen Here, you can elect to enforce the policy using Never, Once, and Always, mirroring the options available in Mac OS X Server s Workgroup Manager yet again The Never option disables the policy, which is the configured preference by default.

The bold code illustrates how the documentcookie object is manipulated The manipulation is rather peculiar and completely unorthodox In the implementation of createCookie, a buffer is created and then assigned to documentcookie Usually an assignment to a data member resets the value of the data member Not so with the documentcookie data member Assigning the data member either creates a new cookie or reassigns the value of an existing cookie In the implementation of createCookie, the parameter days assign a time to the cookie being created, indicating that the cookie will expire If the cookie and the function createCookie are not associated with a date time, then the cookie would expire the moment the browser is closed When reading the data member documentcookie, the cookies applicable to the currently loaded domain and document are retrieved The following could be an example value of document.

Up until now, every time you have run MediaGrabber you have needed to locate the icon first and select it. We will use the tools discussed in this chapter to enable launching MediaGrabber from native device menus or any third-party application. We ll also take this opportunity to add some custom icons for the app.

The Once option enforces it for the first logon event once it has been enabled, but then leaves the option to allow the end user to alter a setting The Always option enforces the policy at each logon and while a session is active For the purpose of this.

You can use dscl as any given user if you re only interested in reading account information. However, in order to alter the contents of a database, you will need elevated privileges. To invoke dscl with elevated privileges, prepend the command with sudo as follows:

MediaGrabber mainly focuses on capturing and sending media. For now, let us look at exposing the sending functions to other applications.

The sudo command can be prepended to any command to force it to run with root privileges. When using sudo, you will be prompted for the currently logged-in user s password, and that user must be an administrator. The sudo command will cache credentials for 5 minutes after successful authentication, so if you have recently used it, you will not need to retype your password. At this point, you should be in an interactive command-line environment and see a > on the screen, so we ll prepend each command with a > so that our screen matches yours. The first step in the process of creating a new account is to add a user to the database, which will create a new .plist file for the account. This can be done with the create dscl command followed by the path to the record being created. In the following example, we will create an empty account called corpadmin: