InstallAware

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[DEFINE REGION: Install Application Pre-Requisites]
Comment: Install setup pre-requisites
if Variable PREREQ not Equals FALSE
  Display Dialog: prereq, wait for dialog to return (modal)
  if Variable WIZARD Equals CANCEL
    Terminate Installation
  end
  Display Dialog: progressprereq, use as progress dialog (non-modal)
  [compiler if Variable BUILDMODE not Equals PATCH]
  if Variable NEEDSUPGRADE Equals TRUE
    Set Variable REMOVEOLD to 
    Set Variable ERROROLD to 
     Run Program $TARGETDIR$\SomneticsUpdateHelper.exe -bu (WAIT) 
    Install/Remove MSI Package $PRODUCTCODE$[REMOVE=ALL] (get result into variable REMOVEOLD)
    if Variable REMOVEOLD Equals ERROR
      MessageBox: $TITLE$ Setup, Unable to uninstall old version of $TITLE$. Please uninstall it yourself using Control Panel Add-Remove Programs before attempting to install this product.$NEWLINE$$NEWLINE$$ERROROLD$
      Terminate Installation
    end
    if Variable REMOVEOLD Equals REBOOT
      MessageBox: $TITLE$ Setup, Your computer needs to be restarted before $TITLE$ Setup can continue.$NEWLINE$$NEWLINE$Please save your work in all running programs and click OK to restart your computer. Setup will resume once your computer restarts.$NEWLINE$$NEWLINE$If you click CANCEL, setup will exit. You will have to run setup again at a later time to install $TITLE$.
      if Variable REBOOTNOW Equals OK
        Reboot Computer and Resume Setup
        else
        Terminate Installation
      end
    end
    Set Variable MAINTENANCE to FALSE
  end
  [DEFINE WEB MEDIA Microsoft Windows Installer 3.0]