private async Task SayText()
{
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))
{
// Call SpeakTextAsync and await
await _speechSynthesizer.SpeakTextAsync(PhraseTextBox.Text);
MessageBox.Show("Text read: '" + PhraseTextBox.Text + "'");
}
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);
}
}
private async Task SayText(string text)
{
try // error handling
{
// Stop playing any Synthesized speech
_speechSynthesizer.CancelAll();
// Check that string is not null or empty
if (!string.IsNullOrEmpty(text))
{
// Call SpeakTextAsync and await
await _speechSynthesizer.SpeakTextAsync(text);
}
else // if string is null or empty, display error message
{
MessageBox.Show("Phrase text is required.",
"Error",
MessageBoxButton.OK);
}
}
catch (Exception ex) // Catch exception and call function to handle it.
{
MessageBox.Show(ex.Message);
}
}
private async void SayItButtonClick(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();
// Check that string is not null or empty
if (!string.IsNullOrEmpty(PhraseTextBox.Text))
{
// Call SpeakTextAsync and await
await _speechSynthesizer.SpeakTextAsync(PhraseTextBox.Text);
MessageBox.Show("Text read: '" + PhraseTextBox.Text + "'");
}
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 exceptions and display in MessageBox
{
MessageBox.Show(ex.Message,
"Exception",
MessageBoxButton.OK);
}
}
