Am Donnerstag, 27. Oktober 2016 10:19:44 UTC+2 schrieb Tobias Wolf:
> Hi folks,
>
> I`ve developed a nss module for firefox in c/c++. In case of an error in my
> module I want to show a simple error dialog.
>
> This is want I do, the code was tested and working:
>
> ```
> void ac_firefox_show_alert_dlg(const char* title, const char* text) {
> const NS_ConvertASCIItoUTF16 wTitle(title);
> const NS_ConvertASCIItoUTF16 wText(text);
>
> nsCOMPtr<nsIPromptService> promptService =
> (do_GetService("@mozilla.org/embedcomp/prompt-service;1"));
>
> if (promptService != NULL) {
> promptService->Alert(NULL, wTitle.get(), wText.get());
> }
> }
> ```
>
> No I found out that the dialog wasn`t working in latest firefox 46.0.2
> version. The call to
> ```do_GetService("@mozilla.org/embedcomp/prompt-service;1")``` returns NULL.
By using the parameter nsresult I got back the error
"NS_ERROR_FACTORY_NOT_REGISTERED".
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