add documentation and hook up tray dialog for abld deps tracking query (bug 9227)
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<title>Expressions Window</title>
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<h2>Expressions View </h2>
<p> The <b>Expressions</b> view helps you monitor and manipulate these items:</p>
<ul>
<li>global and local variables</li>
<li>structure members</li>
<li>array elements</li>
</ul>
<p>The Expressions view displays these columns: </p>
<ul>
<li>Expression column—Lists expressions and expression hierarchies. Click the hierarchical controls to expand or collapse the expression view.</li>
<li>Value column—Shows the current value of each corresponding expression. Double-click a value to change it.</li>
</ul>
<p>Figure 1 shows the Expressions view. Table 1 explains items in view.</p>
<p align="center"><img src="images/view_expressions.png" width="439" height="144" /></p>
<p class="figure">Figure 1 - Expressions view </p>
<h5>Table 1. Expressions view —items </h5>
<table width="88%" border="0" cellpadding="2" cellspacing="0">
<tr>
<th width="34%" scope="col">Item</th>
<th width="14%" scope="col">Icons</th>
<th width="52%" scope="col">Explanation</th>
</tr>
<tr>
<td><b>Show Type Names </b></td>
<td><div align="center"><img src="../images/icons/var_toggle_type_names_icon.png" width="19" height="19" /></div></td>
<td>Toggles the display of type names in the Expressions view. </td>
</tr>
<tr>
<td><b>Show Logical Structure </b></td>
<td><div align="center"><img src="../images/icons/var_show_logical_struct_icon.png" width="19" height="19" /></div></td>
<td>Not available in C/C++ yet. </td>
</tr>
<tr>
<td><b>Collapse All </b></td>
<td><div align="center"><img src="../images/icons/var_collapse_all_icon.png" width="17" height="18" /></div></td>
<td>Collapses all expanded expressions into the top level. </td>
</tr>
<tr>
<td><b>Remove Selected Expression </b></td>
<td><div align="center"><img src="../images/icons/var_remove_selected_globals_icon.png" width="18" height="16" /></div></td>
<td>Click to remove all currently selected expressions from the expressions list. </td>
</tr>
<tr>
<td><b>Remove All Expressions </b></td>
<td><div align="center"><img src="../images/icons/var_remove_all_globals_icon.png" width="19" height="19" /></div></td>
<td>Click to remove all expressions from the expressions list. </td>
</tr>
</table>
<h4>Opening the Expressions View </h4>
<p>Use the Expressions view to inspect frequently used variables as their values change during a debugging session.</p>
<div class="step">
<h4>Opening an Expressions view </h4>
<ul>
<li>Select Window > Show View > Expressions</li>
<li>OR</li>
<li>Right-click a variable in the <a href="view_variables.htm">Variables</a> or editor view and choose the Add Watchpoint command </li>
<p>An Expressions view appears in the current perspective.</p>
</ul>
</div>
<h5>Related tasks</h5>
<ul>
<li><a href="../tasks/expressions/expr_adding.htm">Adding Expressions</a></li>
<li><a href="../tasks/expressions/expr_editing.htm">Editing Expressions</a></li>
<li><a href="../tasks/expressions/expr_removing.htm">Removing Expressions</a></li>
</ul>
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