Learn the code on Siena

Question

Hi there,
I am new in Project Siena. I need to start an app ASAP, a simple one, using Project siena, but I can´t find any information explaining the code. 
What is the name of the code which is used in behaviors, properties etc? (html, jquery, jscript)
Where can i find documentation explaining how to write simple sentences using the code? For isntance, i need to know how to hide an image after click (on select) a button.
Many thanks,
Marco

Answer 1

Hello Marco,
You can access all the documentation and visuals / function descriptions via the following page
http://www.microsoft.com/en-us/projectsiena/Documentation.aspx
As a starter and addressing your second question and to make that as "sexy" as possible
1. add an image control to the screen and select your image
2. click the image control and open the express view (bottom right) and look for the "Visible" property
3. change the value to
imgVisible
in order to declare a variable
4. add a button control to your screen
in the onSelect of the button add
If(imgVisible=true,UpdateContext({imgVisible:true});UpdateContext({imgVisible:false}),UpdateContext({imgVisible:false});UpdateContext({imgVisible:true}))
within the ifvalue and elsevalue the toggle is to be done twice as to make sure it is applied
5. in order to make sure your image is shown the moment you go on the screen, click somewhere in the screen and in the onVisible of the screen add the following
UpdateContext({imgVisible:false});UpdateContext({imgVisible:true})
This should answer your question.
Regards
StonyArc
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