<Type Name="ActionEnabledChangedHandler" FullName="GLib.ActionEnabledChangedHandler"> <TypeSignature Language="C#" Value="public delegate void ActionEnabledChangedHandler(object o, ActionEnabledChangedArgs args);" /> <TypeSignature Language="ILAsm" Value=".class public auto ansi sealed ActionEnabledChangedHandler 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.ActionEnabledChangedArgs" /> </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.ActionEnabledChanged" /> </term> </item> <item> <term> <see cref="M:GLib.SimpleActionGroup.ActionEnabledChanged" /> </term> </item> </list> </para> <para>Event data is passed via the <see cref="T:GLib.ActionEnabledChangedArgs" /> parameter.</para> <para>To attach a <see cref="T:GLib.ActionEnabledChangedHandler" /> to an event, add the ActionEnabledChangedHandler instance to the event. The methods referenced by the ActionEnabledChangedHandler instance are invoked whenever the event is raised, until the ActionEnabledChangedHandler is removed from the event.</para> </remarks> <since version="Gtk# 3.0" /> </Docs> </Type>