private async void Poem_Click(object sender, RoutedEventArgs e)
{
try // Basic error handling
{
// Disable the ListBoxes to prevent exceptions
VoicesListBox.IsEnabled = false;
LanguagesListBox.IsEnabled = false;
// Stop playing any Synthesized speech
_speechSynthesizer.CancelAll();
// Create SSML string
var SsmlString = CreateSsmlWithXDocument2(GeneratePoem(2, 2));
// Call SpeakTextAsync and await
await _speechSynthesizer.SpeakSsmlAsync(SsmlString);
MessageBox.Show("SSML Text read: '" + SsmlString + "'");
// Re-enable the ListBoxes
VoicesListBox.IsEnabled = true;
LanguagesListBox.IsEnabled = true;
}
catch (Exception ex) // Catch exceptions and display in MessageBox
{
MessageBox.Show(ex.Message,
"Exception",
MessageBoxButton.OK);
}
}
private async void SaySsml_Click(object sender, RoutedEventArgs e)
{
try // error handling
{
// Disable the ListBoxes to prevent exceptions
VoicesListBox.IsEnabled = false;
LanguagesListBox.IsEnabled = false;
// Stop playing any Synthesized speech
_speechSynthesizer.CancelAll();
// Check that string is not null or empty
if (!string.IsNullOrEmpty(PhraseTextBox.Text))
{
// Create SSML string
var SsmlString = "<speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xml:lang=\"" + _speechSynthesizer.GetVoice().Language + "\">";
SsmlString += "<s>" + PhraseTextBox.Text + "</s></speak>";
// Call SpeakTextAsync and await
await _speechSynthesizer.SpeakSsmlAsync(SsmlString);
MessageBox.Show("SSML Text read: '" + SsmlString + "'");
}
else // if string is null or empty, display error message
{
MessageBox.Show("Phrase text is required.",
"Error",
MessageBoxButton.OK);
}
// Re-enable the ListBoxes
VoicesListBox.IsEnabled = true;
LanguagesListBox.IsEnabled = true;
}
catch (Exception ex) // Catch exception and call function to handle it.
{
HandleSpeechSynthesisError(ex);
}
}