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\->Source Code->VBSCRIPT->Custom Action Functions->VbsCaCadGetValidate()

VbsCaCadGetValidate()

This optional function can be used in any generated vbscript custom actions. It can be included or excluded (to save space if not required).
It is included by default, to changes this:

  1. Redefine the default value on the "OptCode" parameter (probably in a common header file).

  2. Use the "Optcode" parameter to override on individual custom actions.

The VbsCaCadGetVbsCaCadGet() function can be used to retrieve values (see it for more detail) however the "VbsCaCadGetValidate()" version also performs some validation of the returned value.

The function takes these parameters:

  1. The name of a parameter (the first column in the "#data" structure). The name must be in the exact same case as used on the definition.

  2. The validation type. Some types may take parameters if so you may supply this after the optional ":" character which should follow the type ("Type:parameters").

    The available validation types are:

If parameters are passed on a validation type which doesn't require them then an error is generated.

EXAMPLE

#data "ConfigData"
   "ExistingFile" "c:\tmp\\1.x"
   "ExistingDir"  "c:\tmp\\"
   "InvalidType"  "InvalidTypeValue"
#data
<$VbsCa Binary="TestVbsCaCadGetValidate.vbs" data="ConfigData">
   <$VbsCaEntry "Test">
        dim Val
        Val = VbsCaCadGetValidate("ExistingFile", "file")
        Val = VbsCaCadGetValidate("ExistingDir",  "dir")
        Val = VbsCaCadGetValidate("InvalidType",  "xxx:yyy")
   <$/VbsCaEntry>
<$/VbsCa>
<$VbsCaSetup Binary="TestVbsCaCadGetValidate.vbs" Entry="Test" Seq="InstallInitialize-" SeqTable="InstallExecuteSequence" CONDITION=^<$VBSCA_CONDITION_INSTALL_ONLY>^ data="ConfigData">


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Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.