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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>NSScroller</title>
</head>
<body>
<font face="serif">
<a href="Gui.html">Up</a>
<br />
<h1><a name="title$NSScroller">NSScroller</a></h1>
<h3>Authors</h3>
<dl>
<dt>Ovidiu Predescu (<a href="mailto:ovidiu@net-community.com"><code>ovidiu@net-community.com</code></a>)</dt>
<dd>
</dd>
<dt>Felipe A. Rodriguez (<a href="mailto:far@ix.netcom.com"><code>far@ix.netcom.com</code></a>)</dt>
<dd>
</dd>
<dt>Richard Frith-Macdonald (<a href="mailto:richard@brainstorm.co.uk"><code>richard@brainstorm.co.uk</code></a>)</dt>
<dd>
</dd>
</dl>
<p><b>Copyright:</b> (C) 1996 Free Software Foundation, Inc.</p>
<div>
</div>
<h1><a name="001000000000">
Software documentation for the NSScroller class
</a></h1>
<h2><a name="class$NSScroller">NSScroller</a> : <a rel="gsdoc" href="NSControl.html#class$NSControl">NSControl</a></h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>AppKit/NSScroller.h</dd>
</dl>
</blockquote>
<blockquote>
<dl>
<dt><b>Conforms to:</b></dt>
<dd><a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSObject.html#protocol$(NSCoding)">NSCoding</a></dd>
</dl>
</blockquote>
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
TODO Description
</p>
<p>
</div>
<hr width="50%" align="left" />
<a href="#_NSScroller_ivars">Instance Variables</a>
<br/><br/>
<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller+preferredScrollerStyle">+preferredScrollerStyle</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller+scrollerWidth">+scrollerWidth</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller+scrollerWidthForControlSize$">+scrollerWidthForControlSize:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-arrowsPosition">-arrowsPosition</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-checkSpaceForParts">-checkSpaceForParts</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-controlSize">-controlSize</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-controlTint">-controlTint</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-drawArrow$highlight$">-drawArrow:highlight:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-drawKnob">-drawKnob</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-drawKnobSlot">-drawKnobSlot</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-drawKnobSlotInRect$highlight$">-drawKnobSlotInRect:highlight:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-drawParts">-drawParts</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-highlight$">-highlight:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-hitPart">-hitPart</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-knobProportion">-knobProportion</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-rectForPart$">-rectForPart:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-setArrowsPosition$">-setArrowsPosition:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-setControlSize$">-setControlSize:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-setControlTint$">-setControlTint:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-setFloatValue$knobProportion$">-setFloatValue:knobProportion:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-setKnobProportion$">-setKnobProportion:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-testPart$">-testPart:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-trackKnob$">-trackKnob:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-trackScrollButtons$">-trackScrollButtons:</a></li>
<li><a rel="gsdoc" href="NSScroller.html#method$NSScroller-usableParts">-usableParts</a></li>
</ul>
<hr width="50%" align="left" />
<div class="method">
<h3><a name="method$NSScroller+preferredScrollerStyle">preferredScrollerStyle </a></h3>
+ (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerStyle">NSScrollerStyle</a>) <b>preferredScrollerStyle</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.7.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller+scrollerWidth">scrollerWidth </a></h3>
+ (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>) <b>scrollerWidth</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the NSScroller's width. By default 18.
</p>
<p>
</p>
<p>
Subclasses can override this to provide
different scrollbar width. But you may need to
also override
<a rel="gsdoc" href="#method$NSScroller-drawParts">
-drawParts
</a>
.
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller+scrollerWidthForControlSize$">scrollerWidthForControlSize: </a></h3>
+ (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>) <b>scrollerWidthForControlSize:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSControlSize">NSControlSize</a>)controlSize;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-arrowsPosition">arrowsPosition </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">NSScrollArrowPosition</a>) <b>arrowsPosition</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the position of the NSScroller's arrows
used for scrolling By default the arrow position is
set to
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">
NSScrollerArrowsMinEnd
</a>
if the scrolletr is a horizontal scroller and
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">
NSScrollerArrowsMaxEnd
</a>
if the scroller is a vertical scroller. See
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">
NSScrollArrowPosition
</a>
for more informations.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSScroller-arrowsPosition">
-arrowsPosition
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-checkSpaceForParts">checkSpaceForParts </a></h3>
- (void) <b>checkSpaceForParts</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-controlSize">controlSize </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSControlSize">NSControlSize</a>) <b>controlSize</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-controlTint">controlTint </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSControlTint">NSControlTint</a>) <b>controlTint</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-drawArrow$highlight$">drawArrow: highlight: </a></h3>
- (void) <b>drawArrow:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerArrow">NSScrollerArrow</a>)whichButton<b> highlight:</b> (BOOL)flag;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
(Un)Highlight the button specified by
<var>whichButton</var>. <var>whichButton</var>
should be
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerArrow">
NSScrollerDecrementArrow
</a>
or
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerArrow">
NSScrollerIncrementArrow
</a>
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="NSCell.html#method$NSCell-setHighlighted$">
[NSCell -setHighlighted:]
</a>
<a rel="gsdoc" href="NSCell.html#method$NSCell-drawWithFrame$inView$">[NSCell -drawWithFrame:inView:]</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-drawKnob">drawKnob </a></h3>
- (void) <b>drawKnob</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Draws the knob
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-drawKnobSlot">drawKnobSlot </a></h3>
- (void) <b>drawKnobSlot</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-drawKnobSlotInRect$highlight$">drawKnobSlotInRect: highlight: </a></h3>
- (void) <b>drawKnobSlotInRect:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>)slotRect<b> highlight:</b> (BOOL)flag;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.5.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-drawParts">drawParts </a></h3>
- (void) <b>drawParts</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
Cache images for scroll arrows and knob. If you
override
<a rel="gsdoc" href="#method$NSScroller+scrollerWidth">
+scrollerWidth
</a>
you may need to override this as well (to provide
images for the new width). However, if you do so,
you must currently also override
<a rel="gsdoc" href="#method$NSScroller-drawArrow$highlight$">
-drawArrow:highlight:
</a>
and <a rel="gsdoc" href="NSSliderCell.html#method$NSSliderCell-drawKnob$">-drawKnob:</a>
.
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-highlight$">highlight: </a></h3>
- (void) <b>highlight:</b> (BOOL)flag;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Highlights the button whose under the mouse.
Does nothing if the mouse is not under a button
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSScroller-drawArrow$highlight$">
-drawArrow:highlight:
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-hitPart">hitPart </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerPart">NSScrollerPart</a>) <b>hitPart</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the part of the NSScroller that have been
hit (mouse down) See
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerPart">
NSScrollerPart
</a>
for more information
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSScroller-highlight$">
-highlight:
</a>
<a rel="gsdoc" href="NSResponder.html#method$NSResponder-mouseDown$">
[NSResponder -mouseDown:]
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-knobProportion">knobProportion </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>) <b>knobProportion</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns a <strong>float</strong> value (between
0.0 and 1.0) indicating the ratio between the
NSScroller length and the knob length
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-rectForPart$">rectForPart: </a></h3>
- (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSRect">NSRect</a>) <b>rectForPart:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerPart">NSScrollerPart</a>)partCode;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-setArrowsPosition$">setArrowsPosition: </a></h3>
- (void) <b>setArrowsPosition:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">NSScrollArrowPosition</a>)where;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Sets the position of the NSScroller arrows used for
scrolling to <var>where</var> and marks self
for display. By default the arrow position is set to
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">
NSScrollerArrowsMinEnd
</a>
if the scroller is a horizontal scroller and
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">
NSScrollerArrowsMaxEnd
</a>
if the scroller is a vertical scroller. See
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollArrowPosition">
NSScrollArrowPosition
</a>
for more informations.
</p>
<p>
</p>
<p>
See Also:
<a rel="gsdoc" href="#method$NSScroller-arrowsPosition">
-arrowsPosition
</a>
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-setControlSize$">setControlSize: </a></h3>
- (void) <b>setControlSize:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSControlSize">NSControlSize</a>)controlSize;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-setControlTint$">setControlTint: </a></h3>
- (void) <b>setControlTint:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSControlTint">NSControlTint</a>)controlTint;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-setFloatValue$knobProportion$">setFloatValue: knobProportion: </a></h3>
- (void) <b>setFloatValue:</b> (float)aFloat<b> knobProportion:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>)ratio;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0 removed at MacOS-X 10.5.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-setKnobProportion$">setKnobProportion: </a></h3>
- (void) <b>setKnobProportion:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$CGFloat">CGFloat</a>)proportion;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.5.0</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-testPart$">testPart: </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerPart">NSScrollerPart</a>) <b>testPart:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/TypesAndConstants.html#type$NSPoint">NSPoint</a>)thePoint;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
</p>
<p>
Returns the NSScroller's part under the point
<var>thePoint</var>. See
<a rel="gsdoc" href="TypesAndConstants.html#type$NSScrollerPart">
NSScrollerPart
</a>
for more informations
</p>
<p>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-trackKnob$">trackKnob: </a></h3>
- (void) <b>trackKnob:</b> (<a rel="gsdoc" href="NSEvent.html#class$NSEvent">NSEvent</a>*)theEvent;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-trackScrollButtons$">trackScrollButtons: </a></h3>
- (void) <b>trackScrollButtons:</b> (<a rel="gsdoc" href="NSEvent.html#class$NSEvent">NSEvent</a>*)theEvent;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<div class="method">
<h3><a name="method$NSScroller-usableParts">usableParts </a></h3>
- (<a rel="gsdoc" href="TypesAndConstants.html#type$NSUsableScrollerParts">NSUsableScrollerParts</a>) <b>usableParts</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
</div>
<a name="_NSScroller_ivars"/> <br/><hr width="50%" align="left" />
<h2>Instance Variables for NSScroller Class</h2>
<h3><a name="ivariable$NSScroller*_action">_action</a></h3>
@protected SEL <b>_action</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_arrowsPosition">_arrowsPosition</a></h3>
@protected NSScrollArrowPosition <b>_arrowsPosition</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_doubleValue">_doubleValue</a></h3>
@protected double <b>_doubleValue</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_hitPart">_hitPart</a></h3>
@protected NSScrollerPart <b>_hitPart</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_knobProportion">_knobProportion</a></h3>
@protected CGFloat <b>_knobProportion</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_pendingKnobProportion">_pendingKnobProportion</a></h3>
@protected CGFloat <b>_pendingKnobProportion</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_target">_target</a></h3>
@protected id <b>_target</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*_usableParts">_usableParts</a></h3>
@protected NSUsableScrollerParts <b>_usableParts</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Warning</em> the underscore at the start of the
name of this instance variable indicates that, even
though it is not technically <em>private</em>, it is
intended for internal use within the package, and
you should not use the variable in other code.
</div>
<hr width="25%" align="left" />
<h3><a name="ivariable$NSScroller*struct _scFlagsType">struct _scFlagsType</a></h3>
@protected struct _scFlagsType <b>struct _scFlagsType</b>;<br />
<div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
<div class="desc">
<em>Description forthcoming.</em>
</div>
<hr width="25%" align="left" />
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