Hello Max,

Do you want to add a text or change it position? As far I know, when you hover the button, it would already show the text. If you want to modify it, you would need to edit our template. Use Microsoft Expression Blend and choose EditCopy for EditTemplate.

To change it position, simply customize the animation in VisualStates. For your information, the Text element name is 'TooltipElement'. You can change the animation or position within the template.

For instance, please refer to this blog for simple explanation about editting template.

Regards,
Handy

Hello Max,

As I said before, you need to use edit template. Then modified the generated style. Then bind the style to each button. I attached a sample about how to do it in a button. You will need to add a stylish label in Container and set the opacity.

Regards,

Handy