!define File "..\build\debug\qtest.exe"

OutFile "GetVersion.exe"
SilentInstall silent
RequestExecutionLevel user ; don't write $EXEDIR\Version.txt with admin permissions and prevent invoking UAC

Section

 ## Get file version
 GetDllVersion "${File}" $R0 $R1
  IntOp $R2 $R0 / 0x00010000
  IntOp $R3 $R0 & 0x0000FFFF
  IntOp $R4 $R1 / 0x00010000
  IntOp $R5 $R1 & 0x0000FFFF
  StrCpy $R1 "$R2.$R3.$R4.$R5"

 ## Write it to a !define for use in main script
 FileOpen $R0 "$EXEDIR\Version.txt" w
  FileWrite $R0 '!define version "$R1"'
 FileClose $R0

SectionEnd