WPF Extensibility Hacks or WEX - Includes EventTrigger, ReactiveTrigger, InvokeMethodAction, InvokeCommandAction etc.

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;
using System.Windows.Interactivity;
using System.Windows.Markup;
using System.Linq;

namespace Wex.Lib.Interactions
{
    /// <summary>
    /// The base class for all Wex triggers 
    /// </summary>
    public abstract class WexTriggerAction : System.Windows.Interactivity.TriggerAction<FrameworkElement>
    {

        protected bool initialized = false;


        public WexTrigger TriggerContext { get; set; } 

       
        /// <summary>
        /// Does the internal initializations
        /// </summary>
        internal virtual void InternalInitialize()
        {

            if (Conditions != null)
            {
                Conditions.ToList().ForEach(c =>
                { c.TriggerContext = TriggerContext; c.AssociatedObject = this.AssociatedObject; c.InternalInitialize(); });
            }
                
            Initialize();
        }


        /// <summary>
        /// Invokes a trigger
        /// </summary>
        /// <param name="parameter"></param>
        protected override void Invoke(object parameter) { }
     

        /// <summary>
        /// Initialize
        /// </summary>
        protected virtual void Initialize() { }


        /// <summary>
        /// Conditional invoking for supporting switch case default style constructs
        /// </summary>
        /// <param name="parameter"></param>
        internal abstract void InvokeConditional(object parameter);



        /// <summary>
        /// A set of execution conditions
        /// </summary>
        public InvokingConditions Conditions
        {
            get { return (InvokingConditions)GetValue(ConditionsProperty); }
            set { SetValue(ConditionsProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Conditions.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty ConditionsProperty =
            DependencyProperty.Register("Conditions", typeof(InvokingConditions), typeof(WexTriggerAction), new PropertyMetadata(null));
        


    }
}