﻿<?xml version="1.0" encoding="utf-8"?><Type Name="ActionStateChangedHandler" FullName="GLib.ActionStateChangedHandler"><TypeSignature Language="C#" Value="public delegate void ActionStateChangedHandler(object o, ActionStateChangedArgs args);" /><TypeSignature Language="ILAsm" Value=".class public auto ansi sealed ActionStateChangedHandler extends System.MulticastDelegate" /><AssemblyInfo><AssemblyName>gio-sharp</AssemblyName></AssemblyInfo><Base><BaseTypeName>System.Delegate</BaseTypeName></Base><Parameters><Parameter Name="o" Type="System.Object" /><Parameter Name="args" Type="GLib.ActionStateChangedArgs" /></Parameters><ReturnValue><ReturnType>System.Void</ReturnType></ReturnValue><Docs><param name="o">Event sender.</param><param name="args">Event arguments.</param><summary>Event handler.</summary><remarks><para>The following events utilize this delegate:</para><para><list type="bullet"><item><term><see cref="M:GLib.Application.ActionStateChanged" /></term></item><item><term><see cref="M:GLib.SimpleActionGroup.ActionStateChanged" /></term></item></list></para><para>Event data is passed via the <see cref="T:GLib.ActionStateChangedArgs" /> parameter.</para><para>To attach a <see cref="T:GLib.ActionStateChangedHandler" /> to an event, add the ActionStateChangedHandler instance to the event.  The methods referenced by the ActionStateChangedHandler instance are invoked whenever the event is raised, until the ActionStateChangedHandler is removed from the event.</para></remarks><since version="Gtk# 3.0" /></Docs></Type>