Codejock Developer Community : Triggers for individual objects http://forum.codejock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sun, 26 Apr 2026 01:01:07 +0000 Wed, 06 Jan 2010 11:03:40 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 forum.codejock.com/RSS_post_feed.asp?TID=15960 <![CDATA[Codejock Developer Community]]> http://forum.codejock.com/forum_images/codejock-logo.gif http://forum.codejock.com/ <![CDATA[Triggers for individual objects : Sometimes just asking the question...]]> http://forum.codejock.com/forum_posts.asp?TID=15960&PID=56012&title=triggers-for-individual-objects#56012 Author: jpbro
Subject: 15960
Posted: 06 January 2010 at 11:03am

Sometimes just asking the question inspires the answer - I was thinking of it backwards (that the x:Key property of the style would be the same as a key property of the object). Instead we can assign the {StaticResource KEY} to the Style property of the object. Something like:


<Page>
<Page.Resources>
    <Style x:Key='SwapImageIds' TargetType="Image">
        <Setter Property="Source" Value="102"/>
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Trigger.Setters>
                    <Setter Property="Source" Value="103"/>
                </Trigger.Setters>
            </Trigger>
        </Style.Triggers>
    </Style>    
</Page.Resources>
    
<StackPanel>
        <Image Style='{StaticResource SwapImageIds}' />
        <Image Source='file://c:/SOMEIMAGE' />
</StackPanel>
</Page>


Only the first image will be affected by the triggers.

Another important thing to note is that you shouldn't define any properties that you want to affect by triggers in the object, otherwise the trigger won't work.
]]> Wed, 06 Jan 2010 11:03:40 +0000 http://forum.codejock.com/forum_posts.asp?TID=15960&PID=56012&title=triggers-for-individual-objects#56012 <![CDATA[Triggers for individual objects : I&#039;ve looked over the documentation...]]> http://forum.codejock.com/forum_posts.asp?TID=15960&PID=56011&title=triggers-for-individual-objects#56011 Author: jpbro
Subject: 15960
Posted: 06 January 2010 at 10:26am

I've looked over the documentation & triggers.xaml sample, and I understand how to apply a trigger to all objects of a class (for example, all rectangles can become green on mouseover). What I would like to do is set a trigger for a particular object only, for example:

I have a StackPanel with 3 images. I would like to be able to change the Source property for only one of those images on mouse over (and restore the previous Source on mouse leave). I imagine I have to do something with the Key property, but nothing I have tried so far works.

Does anyone know how to do this? Thanks a lot in advance.
]]> Wed, 06 Jan 2010 10:26:43 +0000 http://forum.codejock.com/forum_posts.asp?TID=15960&PID=56011&title=triggers-for-individual-objects#56011