In managed CAs using DTF you can include unmanaged DLLs in much the same way
you can include dependent assemblies and they will be extracted alongside your
CA's main assembly.
Blair
> From: jacob.hoo...@greenheck.com
> To: wix-users@lists.sourceforge.net
> CC: wix-users@lists.sourceforge.net
> Date: Tue, 2 Jul 2013 04:33:27 +0000
> Subject: Re: [WiX-users] Custom Actions that need to call unmanaged DLL
>
> 1) yes
> 2) you could
> 3) yes, you could but you would need to manually extract the dll in you
> managed ca (after embedding it in the msi) and then pinvoke that dll. Fairly
> certain .net requires the native libs to exist as its loading your assembly,
> so you would need to build the reference to the native lib manually.
>
> If you own this dll, then I'd just expose a ca entry point in it and avoid
> all the complexities/chances for failure.
>
> If you need a functional example of a dynamic/runtime pinvoke, look for .net
> code calling DllRegisterServer.
>
> Sent from my phone
>
> On Jul 1, 2013, at 7:12 PM, "George Fleming" <gef...@microsoft.com> wrote:
>
> > I would like do something like this:
> >
> > CustomActions.cs:
> >
> > [CustomAction]
> > Public static ActionResults MyCustomAction(Session session)
> > {
> > ...
> > NativeMethod.XYZ xyz = new NativeMethod.XYZ();
> > }
> >
> > NativeMethods.cs:
> >
> > internal static class NativeMethods
> > {
> > Internal class XYZ
> > {
> > XYZ()
> > {
> > ...
> > XYZInternalFunc();
> > }
> >
> > [DllImport("XYZ")]
> > Static extern private UInt32
> > XYZInternalFunc();
> > }
> > }
> >
> > Questions:
> >
> >
> > 1. Is this possible?
> >
> > 2. Do I need to deploy XYZ.dll in same directory as my MSI file?
> >
> > 3. Is it possible to bundle the XYZ.dll so that just the MSI is
> > sufficient to do the installs?
> >
> > Thanks,
> >
> > George
> >
> >
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