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

, 14 Jan 2010
A set of extensibility hacks for WPF. A few interesting triggers and actions, including EventTrigger, ReactiveTrigger, InvokeMethodAction, and InvokeCommandAction. Also allows invoking Triggers and Actions based on Conditions.
Wex.zip
Assemblies
Microsoft.Expression.Interactions.dll
System.ComponentModel.Composition.dll
System.CoreEx.dll
System.Interactive.dll
System.Reactive.dll
System.Windows.Interactivity.dll
WexEventTrigger
ClassDiagram1.cd
Wex.csproj.user
bin
Debug
WexEventTrigger.dll
WexEventTrigger.vshost.exe
WexEventTrigger.vshost.exe.manifest
Composition
Lib
Properties
Settings.settings
Reactive
WexEventTrigger.Demo
bin
Debug
WexEventTrigger.Demo.vshost.exe
WexEventTrigger.Demo.vshost.exe.manifest
Commands
Extensions
Properties
Settings.settings
Views
Demos
<UserControl x:Class="Wex.Lib.Demo.Views.Demos.StoryBoardAction"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"      
    xmlns:wex="clr-namespace:Wex.Lib.Interactions;assembly=Wex.Lib"                   
    d:DesignHeight="300" d:DesignWidth="400">

    <Canvas>

        <i:Interaction.Triggers>
            <wex:EventTrigger ElementName="btnBegin" EventName="Click">
                <wex:StoryBoardAction StoryBoardKey="storyBoard1" Action="Begin"/>
            </wex:EventTrigger>
            <wex:EventTrigger ElementName="btnStop" EventName="Click">
                <wex:StoryBoardAction StoryBoardKey="storyBoard1" Action="Stop"/>
            </wex:EventTrigger>
            <wex:EventTrigger ElementName="btnPause" EventName="Click">
                <wex:StoryBoardAction StoryBoardKey="storyBoard1" Action="Pause"/>
            </wex:EventTrigger>
            <wex:EventTrigger ElementName="btnResume" EventName="Click">
                <wex:StoryBoardAction StoryBoardKey="storyBoard1" Action="Resume"/>
            </wex:EventTrigger>
        </i:Interaction.Triggers>
        
        <Canvas.Resources>
            <Storyboard Name="myStoryboard"  x:Key="storyBoard1">
                <!-- Animate the center point of the ellipse. -->
                <PointAnimation Storyboard.TargetProperty="Center"
          Storyboard.TargetName="MyAnimatedEllipseGeometry"
          Duration="0:0:5"
          From="20,200"
          To="400,100"
          RepeatBehavior="Forever" />
            </Storyboard>
        </Canvas.Resources>

        <Path Fill="Blue">
            <Path.Data>

                <!-- Describe an ellipse. -->

                <EllipseGeometry x:Name="MyAnimatedEllipseGeometry"
          Center="20,20" RadiusX="15" RadiusY="15" />
            </Path.Data>
        </Path>

        <StackPanel Orientation="Horizontal" Canvas.Left="10" Canvas.Top="265">

            <!-- Button that begins animation. -->

            <Button Name="btnBegin"
        Width="65" Height="30" Margin="2" Content="Begin" />


            <!-- Button that pauses animation. -->

            <Button Name="btnPause"
        Width="65" Height="30" Margin="2" Content="Pause" />


            <!-- Button that resumes animation. -->

            <Button  Name="btnResume"
        Width="65" Height="30" Margin="2" Content="Resume" />


            <!-- Button that stops animation. Stopping the animation returns the
        ellipse to its original location. -->

            <Button  Name="btnStop"
        Width="65" Height="30" Margin="2" Content="Stop" />
        </StackPanel>

    </Canvas>

</UserControl>

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Article Copyright 2010 by Anoop Madhusudanan
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