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<Type Name="TreeNode" FullName="Gtk.TreeNode">
<TypeSignature Language="C#" Maintainer="Mike Kestner" Value="public abstract class TreeNode : Gtk.ITreeNode" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi abstract beforefieldinit TreeNode extends System.Object implements class Gtk.ITreeNode" />
<AssemblyInfo>
<AssemblyName>gtk-sharp</AssemblyName>
<AssemblyPublicKey>
</AssemblyPublicKey>
</AssemblyInfo>
<ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the <link location="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details.</ThreadSafetyStatement>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>Gtk.ITreeNode</InterfaceName>
</Interface>
</Interfaces>
<Docs>
<summary>TreeNode abstract class</summary>
<remarks>
<para>
Convenience class for deriving ITreeNode implementing objects for
<see cref="T:Gtk.NodeStore" /> implementations. This class can be subclassed
to quickly implement a node type without having to implement the tree building
and navigational aspects of the <see cref="T:Gtk.ITreeNode" /> interface.
</para>
<para>
The following example shows a simple <see cref="T:Gtk.TreeNode" /> subclass:
</para>
<example>
<code lang="C#">
[TreeNode(ColumnCount=1)]
public class MyTreeNode : TreeNode {
string level;
public MyTreeNode (string level)
{
this.level = level;
}
[TreeNodeValue(Column=0)]
public string Level {
get {
return level;
}
set {
level = value;
OnChanged ();
}
}
}
</code>
</example>
<para>
The <see cref="T:Gtk.TreeNode" /> base class provides all the <see cref="T:Gtk.ITreeNode" />
details and MyTreeNode uses <see cref="T:Gtk.TreeNode.OnChanged" /> to notify of tree related
node changes.
</para>
</remarks>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public TreeNode ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters />
<Docs>
<summary>TreeNode constructor</summary>
<remarks>Default constructor..</remarks>
</Docs>
</Member>
<Member MemberName="AddChild">
<MemberSignature Language="C#" Value="public void AddChild (Gtk.TreeNode child);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void AddChild(class Gtk.TreeNode child) cil managed" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="child" Type="Gtk.TreeNode" />
</Parameters>
<Docs>
<param name="child">a <see cref="T:Gtk.TreeNode" /></param>
<summary>Appends a child to the node</summary>
<remarks>Adds the specified <paramref name="child" /> to this <see cref="T:Gtk.ITreeNode" />.
The <paramref name="child" /> is added to the end of the children list, the
<see cref="P:Gtk.TreeNode.Parent" /> property of <paramref name="child" /> is set to
this node, and the <see cref="E:Gtk.TreeNode.ChildAdded" /> event is raised.</remarks>
</Docs>
</Member>
<Member MemberName="AddChild">
<MemberSignature Language="C#" Value="public void AddChild (Gtk.TreeNode child, int position);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void AddChild(class Gtk.TreeNode child, int32 position) cil managed" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="child" Type="Gtk.TreeNode" />
<Parameter Name="position" Type="System.Int32" />
</Parameters>
<Docs>
<param name="child">a <see cref="T:Gtk.TreeNode" /></param>
<param name="position">Position among the node's children to insert <paramref name="child" /></param>
<summary>Inserts a child at the given position</summary>
<remarks>Adds the specified <paramref name="child" /> to this <see cref="T:Gtk.ITreeNode" />.
The <paramref name="child" /> is added to the children list before the child currently
at position <paramref name="position" />, the <see cref="P:Gtk.TreeNode.Parent" />
property of <paramref name="child" /> is set to this node, and the
<see cref="E:Gtk.TreeNode.ChildAdded" /> event is raised.</remarks>
<since version="Gtk# 2.4" />
</Docs>
</Member>
<Member MemberName="Changed">
<MemberSignature Language="C#" Value="public event EventHandler Changed;" />
<MemberSignature Language="ILAsm" Value=".event class System.EventHandler Changed" />
<MemberType>Event</MemberType>
<ReturnValue>
<ReturnType>System.EventHandler</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Changed event</summary>
<remarks>
Raised when the contents of the <see cref="T:Gtk.ITreeNode" /> change.
Use <see cref="M:Gtk.ITreeNode.OnChange" /> for a convenient way to raise the event.
</remarks>
</Docs>
</Member>
<Member MemberName="ChildAdded">
<MemberSignature Language="C#" Value="public event Gtk.TreeNodeAddedHandler ChildAdded;" />
<MemberSignature Language="ILAsm" Value=".event class Gtk.TreeNodeAddedHandler ChildAdded" />
<MemberType>Event</MemberType>
<ReturnValue>
<ReturnType>Gtk.TreeNodeAddedHandler</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>ChildAdded event</summary>
<remarks>Raised when a child <see cref="T:Gtk.ITreeNode" /> is added to the node.</remarks>
</Docs>
</Member>
<Member MemberName="ChildCount">
<MemberSignature Language="C#" Value="public int ChildCount { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 ChildCount" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>ChildCount</summary>
<value>a <see cref="T:System.Int32" /></value>
<remarks>Read-only. The number of <see cref="T:Gtk.ITreeNode" /> children of this node.</remarks>
</Docs>
</Member>
<Member MemberName="ChildRemoved">
<MemberSignature Language="C#" Value="public event Gtk.TreeNodeRemovedHandler ChildRemoved;" />
<MemberSignature Language="ILAsm" Value=".event class Gtk.TreeNodeRemovedHandler ChildRemoved" />
<MemberType>Event</MemberType>
<ReturnValue>
<ReturnType>Gtk.TreeNodeRemovedHandler</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>ChildRemoved event</summary>
<remarks>Raised when a child <see cref="T:Gtk.ITreeNode" /> is removed from the node.</remarks>
</Docs>
</Member>
<Member MemberName="ID">
<MemberSignature Language="C#" Value="public int ID { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance int32 ID" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>ID property</summary>
<value>a <see cref="T:System.Int32" /></value>
<remarks>Read-only. Provides a unique identifier for all <see cref="T:Gtk.TreeNode" /> instances.</remarks>
</Docs>
</Member>
<Member MemberName="IndexOf">
<MemberSignature Language="C#" Value="public int IndexOf (object o);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance int32 IndexOf(object o) cil managed" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="o" Type="System.Object" />
</Parameters>
<Docs>
<param name="o">a <see cref="T:System.Object" /></param>
<summary>IndexOf method</summary>
<returns>a <see cref="T:System.Int32" /></returns>
<remarks>
Returns the child index of <paramref name="o" />
or -1 if <paramref name="o" /> is not a child of this <see cref="T:Gtk.TreeNode" />.
</remarks>
</Docs>
</Member>
<Member MemberName="Item">
<MemberSignature Language="C#" Value="public Gtk.ITreeNode this[int index] { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance class Gtk.ITreeNode Item(int32)" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>Gtk.ITreeNode</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="index" Type="System.Int32" />
</Parameters>
<Docs>
<param name="index">a <see cref="T:System.Int32" /></param>
<summary>Child indexer</summary>
<value>a <see cref="T:Gtk.ITreeNode" /></value>
<remarks>
Returns the child at position <paramref name="index" /> in the list of children
for this <see cref="T:Gtk.ITreeNode" />.
</remarks>
</Docs>
</Member>
<Member MemberName="OnChanged">
<MemberSignature Language="C#" Value="protected void OnChanged ();" />
<MemberSignature Language="ILAsm" Value=".method familyhidebysig instance void OnChanged() cil managed" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>OnChanged method</summary>
<remarks>Raises the Changed event. Call this method if any column values of the node change.</remarks>
</Docs>
</Member>
<Member MemberName="Parent">
<MemberSignature Language="C#" Value="public Gtk.ITreeNode Parent { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance class Gtk.ITreeNode Parent" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>Gtk.ITreeNode</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Parent property</summary>
<value>a <see cref="T:Gtk.ITreeNode" /></value>
<remarks>Read-only. The parent <see cref="T:Gtk.ITreeNode" /> for this node.</remarks>
</Docs>
</Member>
<Member MemberName="RemoveChild">
<MemberSignature Language="C#" Value="public void RemoveChild (Gtk.TreeNode child);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance void RemoveChild(class Gtk.TreeNode child) cil managed" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="child" Type="Gtk.TreeNode" />
</Parameters>
<Docs>
<param name="child">a <see cref="T:Gtk.TreeNode" /></param>
<summary>RemoveChild method</summary>
<remarks>Removes the specified <paramref name="child" /> from this <see cref="T:Gtk.ITreeNode" />.
The <see cref="P:Gtk.TreeNode.Parent" /> property of <paramref name="child" /> is set to
<see langword="null" /> and the <see cref="E:Gtk.TreeNode.ChildRemoved" /> event is raised.</remarks>
</Docs>
</Member>
</Members>
</Type>
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