George Abraham-5 wrote:
>
> I want to create an MSI to deploy a COM+ application. I could create the
> MSI to do so, but, I could not find a way to change the Activation to "Run
> application as NT Service". Is this possible using the COM+ custom action?
> If not any ideas on how to approach the problem?
My installation does exactly that, however I couldn't find a way how to do
it with the COM+ CA.
So I've written a DLL in C to register COM+ applications which match a given
pattern as a service and remove them on rollback/uninstall again. Not
elegant, escpecially because I'm no C developer, but it works.
Some snippets in case anyone needs them:
#include <comdef.h>
#import "Comadmin.dll" no_namespace
[...]
CoInitialize (NULL);
ICOMAdminCatalog2Ptr comCatalog("COMAdmin.COMAdminCatalog");
ICatalogCollectionPtr comApplications = NULL;
ICatalogObjectPtr comApp = NULL;
// Get all COM+ applications
comApplications = comCatalog->GetCollection(L"Applications");
comApplications->Populate();
comApplications->get_Count(&count);
[...]
// Register all COM+ applications which start with "Foo.Bar." as NT services
for(int i = 0; i < count; i++) {
comApplications->get_Item(i, (IDispatch**)&comApp);
_variant_t appName;
comApp->get_Name(&appName);
_bstr_t bAppName(appName);
if (strncmp(bAppName, "Foo.Bar.", 8) == 0) {
try {
comCatalog->CreateServiceForApplication (bAppName,
bAppName, bStartMode,
L"SERVICE_ERROR_NORMAL", L"rpcss", bUsername, bPassword, 0);
}
catch (_com_error &e) {
// error handling
}
}
}
[...]
comApp.Release();
comApplications.Release();
comCatalog.Release();
CoUninitialize();
I've left all MSI related stuff out. To remove the service you'd use
"comCatalog->DeleteServiceForApplication(bAppName);" instead of
"CreateServiceForApplication". MSDN will tell you more about these methods.
--
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