Thanks Rob
I tested this quickly with the code snippet below and it works great:
Type t = Type.GetTypeFromProgID("WindowsInstaller.Installer");
Installer i = (Installer)Activator.CreateInstance(t);
Database d = i.OpenDatabase(@"C:\Test\Test.msi",
MsiOpenDatabaseMode.msiOpenDatabaseModeReadOnly);
View v = d.OpenView("SELECT * FROM Property WHERE Property =
'ProductCode'");
v.Execute(null);
Record r = v.Fetch();
string version = r.get_StringData(2);
On Thu, Jul 22, 2010 at 10:40 PM, Rob Mensching <r...@robmensching.com>wrote:
> How about: SELECT `Value` FROM `Property` WHERE "Property"="ProductCode"
>
> I don't think you want ::MsiGetProductInfoFromScript().
>
> On Thu, Jul 22, 2010 at 4:42 PM, Jacques Eloff <repst...@gmail.com> wrote:
>
> > Hi
> >
> > I'm trying to extract the Product code from an MSI using C# (this is for
> a
> > custom msbuild task I'm writing).
> >
> > I'm using the following definition for P/Invoke
> >
> >
> > [DllImport("msi.dll", CharSet = CharSet.Unicode)]
> >
> > static extern Int32 MsiGetProductInfoFromScript(string scriptFile,
> > StringBuilder product, ref ushort langId, ref uint version,
> > StringBuildername,
> > ref uint nameSize, StringBuilder package, ref uint packageSize);
> > I keep getting a return code of 1603. Everything looks OK, but I'm
> starting
> > to suspect that the script file I'm passing is causing a problem,
> >
> > ushort langId = 0;
> >
> > uint version = 0;
> >
> > uint packageSize = 10;
> >
> > uint nameSize = 40;
> >
> > StringBuilder product = new StringBuilder(40);
> >
> > StringBuilder package = new StringBuilder(40);
> >
> > StringBuilder name = new StringBuilder(100);
> >
> > int e = MsiGetProductInfoFromScript(@"C:\Test\Test.msi", product,
> > reflangId,
> > ref version, name, ref nameSize, package, ref packageSize);
> >
> > Am I even calling the correct method? The only other option I can think
> of
> > is to open the DB and go through the whole SELECT * FROM Property and
> then
> > extract the product code from the returned view.
> >
> > Thanks,
> > Jacques
> >
> >
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>
> --
> virtually, Rob Mensching -
> http://RobMensching.com<http://robmensching.com/>LLC
>
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