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<td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> · <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> · <a href="modules.html"><font color="#004faf">Modules</font></a> · <a href="functions.html"><font color="#004faf">Functions</font></a></td>
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<p>These classes are abstract widgets; they are generally not usable in themselves, but provide functionality that can be used by inheriting these classes.</p>
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<tr valign="top" class="odd"><th><a href="qabstractbutton.html">QAbstractButton</a></th><td>The abstract base class of button widgets, providing functionality common to buttons</td></tr>
<tr valign="top" class="even"><th><a href="qabstractscrollarea.html">QAbstractScrollArea</a></th><td>Scrolling area with on-demand scroll bars</td></tr>
<tr valign="top" class="odd"><th><a href="qabstractslider.html">QAbstractSlider</a></th><td>Integer value within a range</td></tr>
<tr valign="top" class="even"><th><a href="qabstractspinbox.html">QAbstractSpinBox</a></th><td>Spinbox and a line edit to display values</td></tr>
<tr valign="top" class="odd"><th><a href="qdialog.html">QDialog</a></th><td>The base class of dialog windows</td></tr>
<tr valign="top" class="even"><th><a href="qframe.html">QFrame</a></th><td>The base class of widgets that can have a frame</td></tr>
<tr valign="top" class="odd"><th><a href="qwidget.html">QWidget</a></th><td>The base class of all user interface objects</td></tr>
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