Code snippet for a basic WeakEventManager class

wemanager.snippet

<?xml version="1.0" encoding="utf-8" ?>
<CodeSnippets  xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
    <CodeSnippet Format="1.0.0">
        <Header>
            <Title>WeakEventManager snippet</Title>
            <Shortcut>wem</Shortcut>
            <Description>Code snippet for a basic WeakEventManager class</Description>
            <Author>Ivan Nikitin</Author>
            <SnippetTypes>
                <SnippetType>Expansion</SnippetType>
            </SnippetTypes>
        </Header>
        <Snippet>
            <Declarations>
                <Literal>
                    <ID>className</ID>
                    <ToolTip>New weak event manager class name</ToolTip>
                    <Default>MyEventManager</Default>
                </Literal>
                <Literal>
                    <ID>source</ID>
                    <ToolTip>Event source type</ToolTip>
                    <Default>object</Default>
                </Literal>
                <Literal>
                    <ID>eventName</ID>
                    <ToolTip>Event name</ToolTip>
                    <Default>MyEvent</Default>
                </Literal>
				<Literal>
                    <ID>eventArgs</ID>
                    <ToolTip>Event arguments type</ToolTip>
                    <Default>EventArgs</Default>
                </Literal>
            </Declarations>
            <Code Language="csharp">
                <![CDATA[public class $className$ : WeakEventManager {
    static $className$ CurrentManager {
        get {
            Type managerType = typeof($className$);
            $className$ currentManager =
                ($className$)WeakEventManager.GetCurrentManager(managerType);
            if(currentManager == null) {
                currentManager = new $className$();
                WeakEventManager.SetCurrentManager(managerType, currentManager);
            }
            return currentManager;
        }
    }

    $className$() { }
    
    public static void AddListener($source$ source, IWeakEventListener listener) {
        CurrentManager.ProtectedAddListener(source, listener);
    }
    public static void RemoveListener($source$ source, IWeakEventListener listener) {
        CurrentManager.ProtectedRemoveListener(source, listener);
    }
    protected override void StartListening(object source) {
        (($source$)source).$eventName$ += EventHandler;
    }
    protected override void StopListening(object source) {
        (($source$)source).$eventName$ -= EventHandler;
    }
    void EventHandler(object sender, $eventArgs$ e) {
        base.DeliverEvent(sender, e);
    }
}
]]>
            </Code>
        </Snippet>
    </CodeSnippet>
</CodeSnippets>