InfoPath Dev

I published my form to SharePoint Library and when a used fills out the form and submits. - Since i checked the ''Close the form'' under submit options for the submit button. The form is close after the submit. Is there a way i can kill the infopath application also after the submit. Because the user has to X out of the application ...

I am new to INFOPATH.... IS there a URL or a sample which i can follow to write this custom data validator

I have a section that is hidden unless a certain checkbox is true. How can I make the controls in this section required only when the section is visible?

Hi, I have a form for which on a submit i am saving it to the sharepoint libaray with the form Name (field). I did enable to the formName can be overwritten if already existing... is there a way to know if i am submitting the form for the first time or opening an existing form in the sharepoint library and making changes and resubmitting..... I ...