Intermec CK60 Manual de usuario Pagina 55

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Chapter 3 — Configuring the Computer
CK60 Mobile Computer with Windows CE User’s Manual 41
PreShell
PreShell.exe is launched prior to the Microsoft Shell and must execute a
SignalStartup call before the Microsoft Shell launches.
PreShell searches the “\Flash File Store\SYSTEM” folder for an executable
of the same name. If one exists, that application is launched. This
application can do what is desired prior to launching the Microsoft Shell.
This feature allows end customers to make their own application the shell
of the system. If desired, do not exit the custom shell nor call SignalStarted.
PostShell
PostShell.exe can launch an application after the Microsoft Shell has
launched. There are utility applications that exist that can take advantage of
“hooking” the startup for maintenance, for example.
PostShell searches the “\Flash File Store\SYSTEM” directory for an
executable of the same name. If one exists, that application is launched
instead. This application can do what a customer desires and is launched
after the Microsoft Shell starts initialization. The Microsoft Shell does not
require complete initialization before this application begins and that may
cause some application or system issues. These issues are expected and are
considered normal for those developing PostShell applications. The
application must test if the APIs it requires are available.
RunAutoRun
System components are installed and configured during the power up
process from a single starting point. RunAutoRun.exe, built into the
operating system image and located in the “\Windows\Startup” folder,
checks for AutoExec.exe in a “\SYSTEM” folder on a mounted volume in
this order:
Secure Digital
Object Store - may be non-volatile storage or RAM
Disk On Chip - may map as Object Store
Flash File Store - may map as Object Store. This is the default location
for the AutoExec program in Intermec systems. Intermec system
applications are started from this folder. The ordering of mounted
volumes overrides this feature.
The folder names used for the mounted volumes above are retrieved from
the registry to maintain coherence with the naming of the mounted
volumes on the platform. These folder names are not hard-coded. If
AutoExec is present in the “\SYSTEM” folder on any of these media, it
executes the program only on the first media in which it is found.
AutoExec is reserved for Intermec use to configure Intermec-specific
applications. It launches the CAB installer, AutoCab.exe, to install platform
.cab files to the system, such as Intermec Data Collection.
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