Make Pop up form Mandatory

Hi All,

I am using popup maker plugin with contact form. When I open the website popup with form opens up and its fine till here. Now, What I want to achieve is that user should escape the pop up form. User can not close the popup form without submitting the form. Is it possible to achieve this with free version of this plugin? If yes then i would be very grateful if you could guide me to achieve this.

Regards, Amit