session_FileTransferProgress(sender, e)

{

   ;Parse e Properties

   RegExMatch(e.FileName, ".*\\(.+?)$", match)

   FileName        := match1

   CPS             := Round(e.CPS / 1024)

   FileProgress    := Round(e.FileProgress * 100)

   OverallProgress := Round(e.OverallProgress * 100)

   action          := (e.Side==0) ? "Uploading" : "Downloading"

   

   ;Change GUI elements

   GuiControl,, txtTitle, % action " @ " CPS " kbps"

   GuiControl,, edtFileName, % FileName

   GuiControl,, proFileName, % FileProgress

   GuiControl,, proOverall, % OverallProgress

        if (FileProgress > 50)

        {

            try {

                        e.Cancel := "true" ; I've tried boolean values of 0 and 1. I've tried true as both a string and an expression.

                      ; e.Cancel           ; I've also tried this. commented out here to avoid confusion.

             } catch e {

                       ; unfortunately I haven't been able to catch the error either. Not sure if there even is a way to view the error as ahk debug doesn't show a message.

           }

        }

   if (OverallProgress==100)

      GuiControl, Enable, btnClose

   

   ;Show GUI

   Gui, Show, , File Transfere

}