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.
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