windows installer - Powershell Get MST Info -


i have read information out of msi applied mst. know how read tables pure msi don't know how apply mst.

i used msi:

    process {     try {         # read property msi database         $windowsinstaller = new-object -comobject windowsinstaller.installer         $msidatabase = $windowsinstaller.gettype().invokemember("opendatabase", "invokemethod", $null, $windowsinstaller, @($path.fullname, 0))         $query = "select value property property = '$($property)'"         # $query = "select action customaction action = '$($customaction)'"         $view = $msidatabase.gettype().invokemember("openview", "invokemethod", $null, $msidatabase, ($query))         $view.gettype().invokemember("execute", "invokemethod", $null, $view, $null) | out-null         $record = $view.gettype().invokemember("fetch", "invokemethod", $null, $view, $null)         try {             $value = $record.gettype().invokemember("stringdata", "getproperty", $null, $record, 1)              # commit database , close view             $msidatabase.gettype().invokemember("commit", "invokemethod", $null, $msidatabase, $null) | out-null             $view.gettype().invokemember("close", "invokemethod", $null, $view, $null) | out-null             $msidatabase = $null             $view = $null         } catch {             $value = "-"         }         # return value          return $value

if can me nice!

thanks, moritz :)

check out example win sdk "wilstxfm.vbs". on system it's installed @ path:

c:\program files (x86)\windows kits\8.1\bin\x64\wilstxfm.vbs

can't paste code here because of copyright issue, this:

database = installer.opendatabase(msipath,0)  database.applytransform(mstpath, iteviewtransform + iteaddexistingrow + itedelnonexistingrow + iteaddexistingtable + itedelnonexistingtable + iteupdnonexistingrow + itechangecodepage) view = database.openview("select * `_transformview` order `table`, `row`")

then iterate on records of view print changes transform do.

you should able translate .vbs sample powershell code or call .vbs script ps.


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