I've been messing around with the outlook_ex udf (freaking love it, btw) and I was having some trouble getting a file to attach to an email before sending it out.
The way I have it now is the user clicks a button and it runs the following:
$grabScreenshot = FileOpenDialog("Choose Screenshot", "C:\", "All (*.*)", 1)
GUICtrlSetData($inpCscreenshot, $grabScreenshot)
Once that's done, an input box has the filename path, directory and all.
Once the user clicks 'send report' button it is