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    <head>
    <title>NSOpenPanel</title>
  </head>
  <body>
    <font face="serif">
    <a href="Gui.html">Up</a>
    <br />
    <h1><a name="title$NSOpenPanel">NSOpenPanel</a></h1>
    <h3>Authors</h3>
    <dl>
      <dt>Scott Christley (<a href="mailto:scottc@net-community.com"><code>scottc@net-community.com</code></a>)</dt>
      <dd>
      </dd>
      <dt>Daniel Boehringer (<a href="mailto:boehring@biomed.ruhr-uni-bochum.de"><code>boehring@biomed.ruhr-uni-bochum.de</code></a>)</dt>
      <dd>
      </dd>
      <dt>Nicola Pero (<a href="mailto:n.pero@mi.flashnet.it"><code>n.pero@mi.flashnet.it</code></a>)</dt>
      <dd>
      </dd>
      <dt>Mirko Viviani (<a href="mailto:mirko.viviani@rccr.cremona.it"><code>mirko.viviani@rccr.cremona.it</code></a>)</dt>
      <dd>
      </dd>
    </dl>
    <blockquote>
      Standard panel for opening files
    </blockquote>
    <p><b>Copyright:</b> (C) 
      1996, 1998, 1999, 2000 Free Software Foundation, Inc.
    </p>

        <div>
    </div>

          <h1><a name="001000000000">
        Software documentation for the NSOpenPanel class
      </a></h1>
    <h2><a name="class$NSOpenPanel">NSOpenPanel</a> : <a rel="gsdoc" href="NSSavePanel.html#class$NSSavePanel">NSSavePanel</a></h2>
    <blockquote class="declared">
      <dl>
        <dt><b>Declared in:</b></dt>
        <dd>AppKit/NSOpenPanel.h</dd>
      </dl>
    </blockquote>
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
          
    </p>
    <p>

            Implements a panel that allows the user to
            select a file or files. NSOpenPanel is based on the
            NSSavePanel implementation and shares a lot of
            similarities with it.
              </p>
    <p>
      
          
    </p>
    <p>

            There is only one open panel per application and this
            panel is obtained by calling the
            <a rel="gsdoc" href="#method$NSOpenPanel+openPanel">
              +openPanel
            </a>

            class method. From here, you should set the
            characteristics of the file selection
            mechanism using the
            <a rel="gsdoc" href="#method$NSOpenPanel-setCanChooseFiles$">
              -setCanChooseFiles:
            </a>

            ,
            <a rel="gsdoc" href="#method$NSOpenPanel-setCanChooseDirectories$">
              -setCanChooseDirectories:
            </a>

            and
            <a rel="gsdoc" href="#method$NSOpenPanel-setAllowsMultipleSelection$">
              -setAllowsMultipleSelection:
            </a>

            methods. The default is <code>YES</code> except
            for allowing multiple selection. When ready to show the
            panel, use the
            <a rel="gsdoc" href="#method$NSOpenPanel-runModalForTypes$">
              -runModalForTypes:
            </a>

            , or a similar method to show the panel in a modal
            session. Other methods allow you to set the
            initial directory and initially selected file. The
            method will return one of NSOKButton or
            NSCancelButton depending on which button the
            user pressed.
              </p>
    <p>
      
          
    </p>
    <p>

            Use the
            <a rel="gsdoc" href="NSSavePanel.html#method$NSSavePanel-filename">
              [NSSavePanel -filename]
            </a>

            or <a rel="gsdoc" href="#method$NSOpenPanel-filenames">-filenames</a>

            method to retrieve the name of the file the user
            selected.
              </p>
    <p>
      
        
    </div>
    <hr width="50%" align="left" />
    <a href="#_NSOpenPanel_ivars">Instance Variables</a>
    <br/><br/>
    <b>Method summary</b>
    <ul>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel+openPanel">+openPanel</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-URLs">-URLs</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-allowsMultipleSelection">-allowsMultipleSelection</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-beginForDirectory$file$types$modelessDelegate$didEndSelector$contextInfo$">-beginForDirectory:file:types:modelessDelegate:didEndSelector:contextInfo:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-beginSheetForDirectory$file$types$modalForWindow$modalDelegate$didEndSelector$contextInfo$">-beginSheetForDirectory:file:types:modalForWindow:modalDelegate:didEndSelector:contextInfo:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-canChooseDirectories">-canChooseDirectories</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-canChooseFiles">-canChooseFiles</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-filenames">-filenames</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-resolvesAliases">-resolvesAliases</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-runModalForDirectory$file$types$">-runModalForDirectory:file:types:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-runModalForDirectory$file$types$relativeToWindow$">-runModalForDirectory:file:types:relativeToWindow:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-runModalForTypes$">-runModalForTypes:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-setAllowsMultipleSelection$">-setAllowsMultipleSelection:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-setCanChooseDirectories$">-setCanChooseDirectories:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-setCanChooseFiles$">-setCanChooseFiles:</a></li>
      <li><a rel="gsdoc" href="NSOpenPanel.html#method$NSOpenPanel-setResolvesAliases$">-setResolvesAliases:</a></li>
    </ul>
    <hr width="50%" align="left" />
<div class="method">
    <h3><a name="method$NSOpenPanel+openPanel">openPanel&nbsp;</a></h3>
    + (<a rel="gsdoc" href="#class$NSOpenPanel">NSOpenPanel</a>*) <b>openPanel</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Creates (if needed) and returns the shared
              NSOpenPanel instance.
                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-URLs">URLs&nbsp;</a></h3>
    - (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*) <b>URLs</b>;<br />
    <div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
    <div class="desc">
      
            Returns an array of the selected files as URLs
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-allowsMultipleSelection">allowsMultipleSelection&nbsp;</a></h3>
    - (BOOL) <b>allowsMultipleSelection</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Returns <code>YES</code> if the user is allowed
              to select multiple files. The default behavior is not
              to allow mutiple selections.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-setAllowsMultipleSelection$">
                -setAllowsMultipleSelection:
              </a>

              <a rel="gsdoc" href="NSBrowser.html#method$NSBrowser-allowsMultipleSelection">[NSBrowser -allowsMultipleSelection]</a>

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-beginForDirectory$file$types$modelessDelegate$didEndSelector$contextInfo$">beginForDirectory:&nbsp;file:&nbsp;types:&nbsp;modelessDelegate:&nbsp;didEndSelector:&nbsp;contextInfo:&nbsp;</a></h3>
    - (void) <b>beginForDirectory:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)path<b> file:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)filename<b> types:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)fileTypes<b> modelessDelegate:</b> (id)modelessDelegate<b> didEndSelector:</b> (SEL)didEndSelector<b> contextInfo:</b> (void*)contextInfo;<br />
    <div class="availability">
<b>Availability:</b> MacOS-X 10.3.0</div>
<br />
    <div class="desc">
      
            <em>Description forthcoming.</em>
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-beginSheetForDirectory$file$types$modalForWindow$modalDelegate$didEndSelector$contextInfo$">beginSheetForDirectory:&nbsp;file:&nbsp;types:&nbsp;modalForWindow:&nbsp;modalDelegate:&nbsp;didEndSelector:&nbsp;contextInfo:&nbsp;</a></h3>
    - (void) <b>beginSheetForDirectory:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)path<b> file:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)name<b> types:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)fileTypes<b> modalForWindow:</b> (<a rel="gsdoc" href="NSWindow.html#class$NSWindow">NSWindow</a>*)docWindow<b> modalDelegate:</b> (id)delegate<b> didEndSelector:</b> (SEL)didEndSelector<b> contextInfo:</b> (void*)contextInfo;<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$NSOpenPanel-canChooseDirectories">canChooseDirectories&nbsp;</a></h3>
    - (BOOL) <b>canChooseDirectories</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Returns <code>YES</code> if the user is allowed
              to choose directories The default behavior is to allow
              choosing directories.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-setCanChooseDirectories$">
                -setCanChooseDirectories:
              </a>

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-canChooseFiles">canChooseFiles&nbsp;</a></h3>
    - (BOOL) <b>canChooseFiles</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Returns <code>YES</code> if the user is allowed
              to choose files. The default behavior it to allow
              choosing files.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-setCanChooseFiles$">
                -setCanChooseFiles:
              </a>

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-filenames">filenames&nbsp;</a></h3>
    - (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*) <b>filenames</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Returns an array containing the absolute paths
              (as NSString objects) of the selected files and
              directories. If multiple selections aren&apos;t
              allowed, the array contains a single name.
                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-resolvesAliases">resolvesAliases&nbsp;</a></h3>
    - (BOOL) <b>resolvesAliases</b>;<br />
    <div class="availability">
<b>Availability:</b> MacOS-X 10.1.0</div>
<br />
    <div class="desc">
      
            <em>Description forthcoming.</em>
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-runModalForDirectory$file$types$">runModalForDirectory:&nbsp;file:&nbsp;types:&nbsp;</a></h3>
    - (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>) <b>runModalForDirectory:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)path<b> file:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)name<b> types:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)fileTypes;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Displays the open panel in a modal session, with
              the directory <var>path</var> shown and file
              <var>name</var> (if any) selected. Files are
              filtered for the specified types. If the
              directory is <code>nil</code>, then the
              directory shown in the open panel is the last
              directory selected.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-runModalForTypes$">
                -runModalForTypes:
              </a>

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-runModalForDirectory$file$types$relativeToWindow$">runModalForDirectory:&nbsp;file:&nbsp;types:&nbsp;relativeToWindow:&nbsp;</a></h3>
    - (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>) <b>runModalForDirectory:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)path<b> file:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSString.html#class$NSString">NSString</a>*)name<b> types:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)fileTypes<b> relativeToWindow:</b> (<a rel="gsdoc" href="NSWindow.html#class$NSWindow">NSWindow</a>*)window;<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$NSOpenPanel-runModalForTypes$">runModalForTypes:&nbsp;</a></h3>
    - (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/BaseAdditions/Reference/TypesAndConstants.html#type$NSInteger">NSInteger</a>) <b>runModalForTypes:</b> (<a rel="gsdoc" href="/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSArray.html#class$NSArray">NSArray</a>*)fileTypes;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Displays the open panel in a modal session,
              showing the current directory (or last selected),
              and filtering for files that have the specified
              types.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-runModalForDirectory$file$types$">-runModalForDirectory:file:types:</a>

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-setAllowsMultipleSelection$">setAllowsMultipleSelection:&nbsp;</a></h3>
    - (void) <b>setAllowsMultipleSelection:</b> (BOOL)flag;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Allows the user to select multiple files if
              <var>flag</var> is <code>YES</code>. The default
              behavior is not to allow multiple selections
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-allowsMultipleSelection">
                -allowsMultipleSelection
              </a>

              [NSBrowser -setAllowsMultipleSelection:]

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-setCanChooseDirectories$">setCanChooseDirectories:&nbsp;</a></h3>
    - (void) <b>setCanChooseDirectories:</b> (BOOL)flag;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Allows the user to choose directories if
              <var>flag</var> is <code>YES</code>. The default
              behavior is to allow choosing directories.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-canChooseDirectories">
                -canChooseDirectories
              </a>

              [NSBrowser -setAllowsBranchSelection:]

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-setCanChooseFiles$">setCanChooseFiles:&nbsp;</a></h3>
    - (void) <b>setCanChooseFiles:</b> (BOOL)flag;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            
    </p>
    <p>

              Allows the user to choose files if <var>flag</var>
              is <code>YES</code>.The default behavior it to allow
              choosing files.
                </p>
    <p>
      
            
    </p>
    <p>

              See Also:
              <a rel="gsdoc" href="#method$NSOpenPanel-canChooseFiles">
                -canChooseFiles
              </a>

                </p>
    <p>
      
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSOpenPanel-setResolvesAliases$">setResolvesAliases:&nbsp;</a></h3>
    - (void) <b>setResolvesAliases:</b> (BOOL)flag;<br />
    <div class="availability">
<b>Availability:</b> MacOS-X 10.1.0</div>
<br />
    <div class="desc">
      
            <em>Description forthcoming.</em>
          
    </div>
    <hr width="25%" align="left" />
</div>
<a name="_NSOpenPanel_ivars"/>    <br/><hr width="50%" align="left" />
    <h2>Instance Variables for NSOpenPanel Class</h2>
    <h3><a name="ivariable$NSOpenPanel*_canChooseDirectories">_canChooseDirectories</a></h3>
    @protected BOOL <b>_canChooseDirectories</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$NSOpenPanel*_canChooseFiles">_canChooseFiles</a></h3>
    @protected BOOL <b>_canChooseFiles</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" />
    <br/><hr width="50%" align="left" /><br/>
    <br />
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