❔ Problems stopping the speech

   <Button
                Margin="10,0,0,0"
                Command="{Binding SpeakButtonCommand}"
                Content="{x:Static res:Lang.Read}"
                FocusVisualStyle="{x:Null}"
                IsEnabled="{Binding IsPlayingEnabled}" />

            <Button
                Margin="10,0,0,0"
                Command="{Binding StopSpeakButtonCommand}"
                Content="{x:Static res:Lang.Stop}"
                FocusVisualStyle="{x:Null}"
                IsEnabled="{Binding IsStopEnabled}" />

 IsPlayingEnabled = true;
            AzureTextToSpeech = new AzureTextToSpeechService();
            IsStopEnabled = false;
            sb = new();

            Text = GetFile(file);

            ColorPairs = ColorHelper.GetColors();
            SpeakButtonCommand = new AsyncCommand(SpeakButtonction);
            StopSpeakButtonCommand = new AsyncCommand(StopSpeakButtonAction);
        }



        private async Task StopSpeakButtonAction() {
            await AzureTextToSpeech.StopSpeechAsync();
            IsPlayingEnabled = true;
            IsStopEnabled = false;
        }

        private async Task SpeakButtonction() {
            await AzureTextToSpeech.ReadOutLoudAsync(Text!);
            IsPlayingEnabled = false;
            IsStopEnabled = true;
        }

var config = SpeechConfig.FromSubscription(
            ConstantsHelpers.AZURE_SPEECH_KEY,
            ConstantsHelpers.AZURE_SPEECH_REGION);

            switch (lang.Iso6391Name) {
                ...//
            }



            speechSynthesizer = new SpeechSynthesizer(config);
            await speechSynthesizer.StartSpeakingTextAsync(text);

        }


        public async Task StopSpeechAsync() {
            await speechSynthesizer.StopSpeakingAsync();
        }