Hello,
To register my xpcomponent which is located in:
"c:\myfolder\Mycomponent.dll" using nsIComponentRegistrar
I have some codes like this:
int main(void) {
nsresult rv;
nsCOMPtr<nsILocalFile> pLocalFile;
rv = NS_NewNativeLocalFile(nsEmbedCString("c:\myfolder\mycomponent.dll"),
PR_FALSE, getter_AddRefs(pLocalFile));
nsCOMPtr<nsIFile> pFile = pLocalFile;
nsCOMPtr<nsIComponentRegistrar> pComponentReg = nsnull;
rv = NS_GetComponentRegistrar(getter_AddRefs(pComponentReg));
if (!NS_FAILED(rv)) {
if (pComponentReg != nsnull) {
rv = pComponentReg->AutoRegister(pFile);
}
}
}
Everything seems to be ok. All statuses were NS_OK. Moreover, I can see
the static registration function of my componet got called successfully:
static NS_METHOD MycomponentRegistration(
nsIComponentManager *aCompMgr,
nsIFile *aPath,
const char *registryLocation,
const char *componentType,
const nsModuleComponentInfo *info
)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servman;
rv = NS_GetServiceManager(getter_AddRefs(servman));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsICategoryManager> catman;
rv = servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
NS_GET_IID(nsICategoryManager), getter_AddRefs(catman));
if (NS_FAILED(rv))
return rv;
char* previous = nsnull;
rv = catman->AddCategoryEntry(
"xpcom-startup",
GNPMOZILLA_CLASSNAME,
GNPMOZILLA_CONTRACTID,
PR_TRUE,
PR_TRUE,
&previous
);
if (previous)
nsMemory::Free(previous);
return rv;
}
But, still the contents of "compreg.dat" and the "xpti.dat" did not
change (after installing, these files are supposed to contain infomation
on my component as well as its location). The component was not registered.
Do you, Christian or anyone else has a clue where I went wrong?
Best regards
Vonuyx
Christian Biesinger wrote:
vonuyx wrote:
Hello,
I am just wondering whether it is possible to install an xpcom
component from within C++ code in the way like regxpxom.exe does?
Try nsIComponentRegistrar
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