How to use popupmenu and pushbutton?

My popupmenu has choices of 'Frame 13' and so on. I would like to have a pushbutton indicated 'Execute' depending on the choice stated in popupmenu. How can I do this?

[Walter Roberson]

How does this differ from your question http://uk.mathworks.com/matlabcentral/answers/263659-how-to-display-a-different-select-menu-depending-on-the-radiobutton-using-matlab-gui ?

Answer 1

[Image Analyst]

Just call the pushbutton callback from inside the popup callback.