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ghc-gtk-devel-0.11.2-5.fc14.i686.rpm

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>Graphics.UI.Gtk.ModelView.TreeRowReference</TITLE
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>gtk-0.11.2: Binding to the Gtk+ graphical user interface library.</TD
><TD CLASS="topbut"
><A HREF="src/Graphics-UI-Gtk-ModelView-TreeRowReference.html"
>Source code</A
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><FONT SIZE="6"
>Graphics.UI.Gtk.ModelView.TreeRowReference</FONT
></TD
><TD ALIGN="right"
><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="infohead"
>Portability</TD
><TD CLASS="infoval"
>portable (depends on GHC)</TD
></TR
><TR
><TD CLASS="infohead"
>Stability</TD
><TD CLASS="infoval"
>provisional</TD
></TR
><TR
><TD CLASS="infohead"
>Maintainer</TD
><TD CLASS="infoval"
>gtk2hs-users@lists.sourceforge.net</TD
></TR
></TABLE
></TD
></TR
></TABLE
></TD
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><TR
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><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
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><TD CLASS="section4"
><B
>Contents</B
></TD
></TR
><TR
><TD
><DL
><DT
><A HREF="#1"
>Detail
</A
></DT
><DT
><A HREF="#2"
>Types
</A
></DT
><DT
><A HREF="#3"
>Constructors
</A
></DT
><DT
><A HREF="#4"
>Methods
</A
></DT
></DL
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Description</TD
></TR
><TR
><TD CLASS="doc"
>A persistent index into a tree model.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
>Synopsis</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="decl"
><SPAN CLASS="keyword"
>data</SPAN
>  <A HREF="#t%3ATreeRowReference"
>TreeRowReference</A
> </TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtreeRowReferenceNew"
>treeRowReferenceNew</A
> :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModelClass"
>TreeModelClass</A
> self =&gt; self -&gt; <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath"
>TreePath</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="Graphics-UI-Gtk-ModelView-TreeRowReference.html#t%3ATreeRowReference"
>TreeRowReference</A
>)</TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtreeRowReferenceGetPath"
>treeRowReferenceGetPath</A
> :: <A HREF="Graphics-UI-Gtk-ModelView-TreeRowReference.html#t%3ATreeRowReference"
>TreeRowReference</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath"
>TreePath</A
></TD
></TR
><TR
><TD CLASS="s8"
></TD
></TR
><TR
><TD CLASS="decl"
><A HREF="#v%3AtreeRowReferenceValid"
>treeRowReferenceValid</A
> :: <A HREF="Graphics-UI-Gtk-ModelView-TreeRowReference.html#t%3ATreeRowReference"
>TreeRowReference</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
></TR
></TABLE
></TD
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><TR
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></TD
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><TR
><TD CLASS="s15"
></TD
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><TR
><TD CLASS="section1"
><A NAME="1"
><A NAME="1"
>Detail
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="doc"
>A RowReference is an index into a
 Graphics.UI.Gtk.ModelView.TreeModel.TreeModel that is persistent even if
 rows are inserted, deleted or reordered.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
><A NAME="2"
><A NAME="2"
>Types
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><SPAN CLASS="keyword"
>data</SPAN
>  <A NAME="t:TreeRowReference"
><A NAME="t%3ATreeRowReference"
></A
></A
><B
>TreeRowReference</B
>  </TD
><TD CLASS="declbut"
><A HREF="src/Graphics-UI-Gtk-ModelView-TreeRowReference.html#TreeRowReference"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="body"
><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0"
><TR
><TD CLASS="ndoc"
>Tree Row Reference : like a <TT
><A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath"
>TreePath</A
></TT
> it points to a subtree or node, but
 it is persistent. It identifies the same node (so long as it exists) even
 when items are added, removed, or reordered.
</TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
><A NAME="3"
><A NAME="3"
>Constructors
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:treeRowReferenceNew"
><A NAME="v%3AtreeRowReferenceNew"
></A
></A
><B
>treeRowReferenceNew</B
> :: <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreeModelClass"
>TreeModelClass</A
> self =&gt; self -&gt; <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath"
>TreePath</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> (<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe"
>Maybe</A
> <A HREF="Graphics-UI-Gtk-ModelView-TreeRowReference.html#t%3ATreeRowReference"
>TreeRowReference</A
>)</TD
><TD CLASS="declbut"
><A HREF="src/Graphics-UI-Gtk-ModelView-TreeRowReference.html#treeRowReferenceNew"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Creates a row reference based on a path. This reference will keep pointing
 to the node pointed to by the given path, so long as it exists. Returns <TT
>Nothing</TT
> if there is no node at the given path.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="section1"
><A NAME="4"
><A NAME="4"
>Methods
</A
></A
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:treeRowReferenceGetPath"
><A NAME="v%3AtreeRowReferenceGetPath"
></A
></A
><B
>treeRowReferenceGetPath</B
> :: <A HREF="Graphics-UI-Gtk-ModelView-TreeRowReference.html#t%3ATreeRowReference"
>TreeRowReference</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="Graphics-UI-Gtk-ModelView-TreeModel.html#t%3ATreePath"
>TreePath</A
></TD
><TD CLASS="declbut"
><A HREF="src/Graphics-UI-Gtk-ModelView-TreeRowReference.html#treeRowReferenceGetPath"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
><P
>Returns a path that the row reference currently points to.
</P
><UL
><LI
> The returned path may be the empty list if the reference was invalid.
</LI
></UL
></TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="topdecl"
><TABLE CLASS="declbar"
><TR
><TD CLASS="declname"
><A NAME="v:treeRowReferenceValid"
><A NAME="v%3AtreeRowReferenceValid"
></A
></A
><B
>treeRowReferenceValid</B
> :: <A HREF="Graphics-UI-Gtk-ModelView-TreeRowReference.html#t%3ATreeRowReference"
>TreeRowReference</A
> -&gt; <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/System-IO.html#t%3AIO"
>IO</A
> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool"
>Bool</A
></TD
><TD CLASS="declbut"
><A HREF="src/Graphics-UI-Gtk-ModelView-TreeRowReference.html#treeRowReferenceValid"
>Source</A
></TD
></TR
></TABLE
></TD
></TR
><TR
><TD CLASS="doc"
>Returns True if the reference refers to a current valid path.
</TD
></TR
><TR
><TD CLASS="s15"
></TD
></TR
><TR
><TD CLASS="botbar"
>Produced by <A HREF="http://www.haskell.org/haddock/"
>Haddock</A
> version 2.6.1</TD
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