217 lines
13 KiB
HTML
217 lines
13 KiB
HTML
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<meta name="DC.Title" content="AS400Panes" />
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<title>AS400Panes</title>
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<body id="vpanes"><a name="vpanes"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">AS400Panes</h1>
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<div><p></p>
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<div class="section"><p>AS400Panes are components in the vaccess package that present
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and allow manipulation of one or more server resources in a GUI. The behavior
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of each server resource varies depending on the type of resource.</p>
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</div>
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<div class="section"><p>All panes extend the Java™ Component class. As a result, they
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can be added to any AWT Frame, Window, or Container.</p>
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</div>
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<div class="section"><p>The following AS400Panes are available:</p>
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</div>
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<div class="section"><ul><li><a href="javadoc/com/ibm/as400/vaccess/AS400DetailsPane.html#NAVBAR_TOP"> AS400DetailsPane</a> presents a list of server resources
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in a table where each row displays various details about a single resource.
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The table allows selection of one or more resources.</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400ExplorerPane.html#NAVBAR_TOP"> AS400ExplorerPane</a> combines an AS400TreePane and AS400DetailsPane
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so that the resource selected in the tree is presented in the details.</li>
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<li><a href="jdbcdatasourcepane.htm#jdbcdatasourcepane">AS400JDBCDataSourcePane</a> presents
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the property values of an AS400JDBCDataSource object.</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400ListPane.html#NAVBAR_TOP"> AS400ListPane</a> presents a list of server resources and
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allows selection of one or more resources.</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400TreePane.html#NAVBAR_TOP"> AS400TreePane</a> presents a tree hierarchy of server resources
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and allows selection of one or more resources.</li>
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</ul>
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</div>
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<div class="section"><p><strong><span class="synph" id="vpanes__serverresources"><a name="vpanes__serverresources"><!-- --></a><span class="kwd"></span></span>Server resources</strong></p>
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</div>
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<div class="section"><p>Server resources are represented in the graphical user interface
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with an icon and text. Server resources are defined with hierarchical relationships
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where a resource might have a parent and zero or more children. These are
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predefined relationships and are used to specify what resources are displayed
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in an AS400Pane. For example, VJobList is the parent to zero or more VJobs,
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and this hierarchical relationship is represented graphically in an AS400Pane.</p>
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</div>
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<div class="section"><p>The IBM<sup>®</sup> Toolbox
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for Java provides
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access to the following server resources:</p>
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</div>
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<div class="section"><ul><li><a href="vifs.htm#vifs">VIFSDirectory</a> represents a directory
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in the integrated file system</li>
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<li><a href="vjob.htm#vjob">VJob and VJobList</a> represent a job or
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a list of jobs</li>
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<li><a href="vmsg.htm#vmsg">VMessageList and VMessageQueue</a> represent
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a list of messages returned from a CommandCall or ProgramCall or a message
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queue</li>
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<li><a href="vprt.htm#vprt">VPrinter, VPrinters, and VPrinterOutput</a> represent
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a printer, a list of printers, or a list of spooled files</li>
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<li><a href="vugrp.htm#vugrp">VUserList</a> represents a list of users</li>
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</ul>
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</div>
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<div class="section"><p>All resources are implementations of the <a href="javadoc/com/ibm/as400/vaccess/VNode.html#NAVBAR_TOP">VNode</a> interface.</p>
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</div>
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<div class="section"><p><strong><span class="synph" id="vpanes__root"><a name="vpanes__root"><!-- --></a><span class="kwd"></span></span>Setting the root</strong></p>
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</div>
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<div class="section"><p>To specify which server resources are presented in an AS400Pane,
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set the root using the constructor or setRoot() method. The root defines
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the top level object and is used differently based on the pane:</p>
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</div>
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<div class="section"><ul><li><a href="javadoc/com/ibm/as400/vaccess/AS400ListPane.html#NAVBAR_TOP">AS400ListPane</a> presents all of the root's children in
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its list</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400DetailsPane.html#NAVBAR_TOP">AS400DetailsPane</a> presents all of the root's children
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in its table</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400TreePane.html#NAVBAR_TOP">AS400TreePane</a> uses the root as the root of its tree </li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400ExplorerPane.html#NAVBAR_TOP">AS400ExplorerPane</a> uses the root as the root of its tree</li>
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</ul>
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</div>
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<div class="section"><p>Any combination of panes and roots is possible.</p>
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</div>
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<div class="section"><p><span class="synph" id="vpanes__vpanex1"><a name="vpanes__vpanex1"><!-- --></a><span class="kwd"></span></span>The following example creates
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an AS400DetailsPane to present the list of users defined on the system:</p>
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</div>
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<div class="section"><div class="p"><pre> // Create the server resource
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// representing a list of users.
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// Assume that "system" is an AS400
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// object created and initialized
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// elsewhere.
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VUserList userList = new VUserList (system);
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// Create the AS400DetailsPane object
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// and set its root to be the user
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// list.
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AS400DetailsPane detailsPane = new AS400DetailsPane ();
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detailsPane.setRoot (userList);
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// Add the details pane to a frame.
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// Assume that "frame" is a JFrame
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// created elsewhere.
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frame.getContentPane ().add (detailsPane);</pre>
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<strong><span class="synph" id="vpanes__loadcontents"><a name="vpanes__loadcontents"><!-- --></a><span class="kwd"></span></span>Loading
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the contents</strong></div>
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</div>
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<div class="section"><p>When AS400Pane objects and server resource objects are created,
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they are initialized to a default state. The relevant information that makes
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up the contents of the pane is not loaded at creation time.</p>
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</div>
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<div class="section"><p>To load the contents, the application must explicitly call the
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load() method. In most cases, this initiates communication to the server to
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gather the relevant information. Because it can sometimes take a while to
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gather this information, the application can control exactly when it happens.
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For example, you can:</p>
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</div>
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<div class="section"><ul><li>Load the contents before adding the pane to a frame. The frame does not
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appear until all information is loaded.</li>
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<li>Load the contents after adding the pane to a frame and displaying that
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frame. The frame appears, but it does not contain much information. A "wait
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cursor" appears and the information is filled in as it is loaded.</li>
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</ul>
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</div>
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<div class="section"><p><span class="synph" id="vpanes__vpanezex2"><a name="vpanes__vpanezex2"><!-- --></a><span class="kwd"></span></span>The following example
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loads the contents of a details pane before adding it to a frame:</p>
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</div>
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<div class="section"><div class="p"><pre> // Load the contents of the details
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// pane. Assume that the detailsPane
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// was created and initialized
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// elsewhere.
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detailsPane.load ();
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// Add the details pane to a frame.
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// Assume that "frame" is a JFrame
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// created elsewhere.
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frame.getContentPane ().add (detailsPane);</pre>
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<strong><span class="synph" id="vpanes__actionsandproperties"><a name="vpanes__actionsandproperties"><!-- --></a><span class="kwd"></span></span>Actions
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and properties panes</strong></div>
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</div>
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<div class="section"><p>At run time, the user can select a pop-up menu on any server resource.
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The pop-up menu presents a list of relevant actions that are available for
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the resource. When the user selects an action from the pop-up menu, that action
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is performed. Each resource has different actions defined.</p>
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</div>
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<div class="section"><p>In some cases, the pop-up menu also presents an item that allows
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the user to view a properties pane. A properties pane shows various details
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about the resource and may allow the user to change those details.</p>
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</div>
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<div class="section"><p>The application can control whether actions and properties panes
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are available by using the setAllowActions() method on the pane.</p>
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</div>
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<div class="section"><p><strong><span class="synph" id="vpanes__models"><a name="vpanes__models"><!-- --></a><span class="kwd"></span></span>Models</strong></p>
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</div>
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<div class="section"><p>The AS400Panes are implemented using the model-view-controller
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paradigm, in which the data and the user interface are separated into different
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classes. The AS400Panes integrate IBM Toolbox for Java models with Java GUI components. The models manage server
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resources and the vaccess components display them graphically and handle
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user interaction.</p>
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</div>
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<div class="section"><p>The AS400Panes provide enough functionality for most requirements.
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However, if an application needs more control of the JFC component, then the
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application can access a server model directly and provide customized integration
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with a different vaccess component.</p>
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</div>
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<div class="section"><p>The following models are available:</p>
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</div>
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<div class="section"><ul><li><a href="javadoc/com/ibm/as400/vaccess/AS400ListModel.html#NAVBAR_TOP"> AS400ListModel</a> implements the JFC ListModel interface
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as a list of server resources. This can be used with a JFC JList object.</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400DetailsModel.html#NAVBAR_TOP"> AS400DetailsModel</a> implements the JFC TableModel interface
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as a table of server resources where each row contains various details about
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a single resource. This can be used with a JFC JTable object.</li>
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<li><a href="javadoc/com/ibm/as400/vaccess/AS400TreeModel.html#NAVBAR_TOP"> AS400TreeModel</a> implements the JFC TreeModel interface
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as a tree hierarchy of server resources. This can be used with a JFC JTree
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object.</li>
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</ul>
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</div>
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<div class="section"><p><strong><span class="synph" id="vpanes__vpaneexamples"><a name="vpanes__vpaneexamples"><!-- --></a><span class="kwd"></span></span>Examples</strong></p>
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</div>
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<div class="section"><ul><li>Present a list of users on the system using an <a href="vuserlistexample.htm#vuserlistexample">AS400ListPane</a>
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with a VUserList object. Figure 1 shows the finished product: <p><strong>Figure
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1: Using AS400ListPane with a VUserList object</strong></p>
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<p><img src="rzahh092.gif" alt="Using AS400ListPane with a VUserList object" /></p>
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</li>
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<li>Present the list of messages generated by a command call using an <a href="vmessagelistexample.htm#vmessagelistexample">AS400DetailsPane</a>
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with a VMessageList object. Figure 2 shows the finished product: <p><strong>Figure
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2: Using AS400DetailsPane with a VMessageList object</strong></p>
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<p><img src="rzahh090.gif" alt="Using AS400DetailsPane with a VMessageList object" /></p>
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</li>
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</ul>
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</div>
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<div class="section"><ul><li>Present an integrated file system directory hierarchy using an <a href="vifsdirectoryexample.htm#vifsdirectoryexample">AS400TreePane</a> with a VIFSDirectory object. Figure 3 shows the finished product: <p><strong>Figure
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3: Using AS400TreePane with a VIFSDirectory object</strong></p>
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<p><img src="rzahh088.gif" alt="Using AS400TreePane with a VIFSDirectory object" /></p>
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</li>
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<li>Present print resources using an <a href="vprinterexample.htm#vprinterexample">AS400ExplorerPane</a>
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with a VPrinters object. Figure 4 shows the finished product: <p><strong>Figure
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4: Using AS400ExplorerPane with a VPrinters object</strong></p>
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<p><img src="rzahh117.gif" alt="Using AS400ExplorerPane with a VPrinters object" /></p>
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</li>
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</ul>
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</div>
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</div>
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</body>
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