4.6.1

Table Of Contents
ThinApp User’s Guide
78 VMware, Inc.
SandboxCOMObjects
TheSandboxCOMObjectsparameterindicateswhetherapplicationsinthephysicalenvironmentcanaccess
COMobjectsthatthevirtualapplicationregistersatruntime.
ThinAppsetsaninitialvaluethatpreventsnativeapplicationsinthephysicalenvironmentfromaccessing
COMobjectsthatthevirtualapplicationregisters.ThinAppplacesCOMobjectsthatthevirtualapplication
registersinthesand
box.
Examples
YoucanmodifytheSandboxCOMObjectsparametertomakevisibletheCOMobjectsthatthevirtual
applicationregistersoutsidethesandbox.Forexample,ifyouinstallnativeMicrosoftOffice2003andvirtual
MicrosoftOffice2007,andyourunacustommailmergeprograminthenativeenvironmentthatstarts
MicrosoftWordandi
nstructsittoopen,change,andsaveadocument,youcangenerateMicrosoftWord2007
documentswhenvirtualMicrosoftWordisrunning.ThenativeapplicationcanaccessCOMobjectsfromthe
virtualapplication.
SandboxCOMObjects=0
VirtualizeExternalOutOfProcessCOM
TheVirtualizeExternalOutOfProcessCOMparametercontrolswhetheroutofprocessCOMobjectscan
runinthevirtualenvironment.COMobjectsthatareexternaltothevirtualenvironmentalwaysruninthe
physicalenvironment.
ThisparameteraddressedoutofprocessCOMobjectsthatarenotpartofaThinApppackageandarenot
registeredinthevi
rtualregistry.ThinAppsetsaninitialvalueoftheVirtualizeExternalOutOfProcessCOM
parametertorunexternaloutofprocessCOMobjectsinthevirtualenvironmenttoensurethatCOMobjects
cannotmodifythehostcomputer. IfacompatibilityproblemexistswithanexternalCOMobjectrunningin
thevirtualenvironment,youca
ncreateandrunCOMobjectsonthehostsystem.TorunonlyspecificCOM
objectsoutsideofthevirtualenvironment,youcanusetheExternalCOMObjectsparametertolisttheCLSID
ofeachCOMobject.
Examples
YoucanmodifytheVirtualizeExternalOutOfProcessCOMparametertorunallexternaloutofprocess
COMobjectsinthephysicalenvironmentratherthanthevirtualenvironment.Forexample,youmightuse
virtualMicrosoftAccess2003tosendemailthroughanativeIBMLotusNotessession.
[BuildOptions]
VirtualizeExternalOutOfProcessCOM=0
Configuring File Storage
YoucanmodifyThinAppparameterstoconfigurefilestorageandsetupvirtualdrives.
Forinformationaboutstoragerelatedtosandboxconfiguration,see“ConfiguringSandboxStorageand
InventoryNames”onpage 100.
CachePath
TheCachePathparametersetsthedeploymentsystempathtoacachedirectoryforfontfilesandstub
executablefiles.
Becauseofthefrequentuseoffontandstubexecutablefiles,ThinAppmustextractfilesinthecachequickly
andplacethemonthephysicaldisk.Ifyoudeletethecache,ThinAppcanreconstr
uctthecache.