ISynthesizer.SpeakCompleted Event

Article
08/18/2014

This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

Occurs when the playing of a prompt is complete.

Namespace: Microsoft.SpeechServer.Synthesis
Assembly: Microsoft.SpeechServer (in microsoft.speechserver.dll)

Syntax

'Declaration
Event SpeakCompleted As EventHandler(Of SpeakCompletedEventArgs)

event EventHandler<SpeakCompletedEventArgs> SpeakCompleted

Example

using System;
using System.Collections.Generic;
using System.Text;
using System.Workflow.Activities;
using System.Workflow.ComponentModel;
using Microsoft.SpeechServer.Dialog;
using Microsoft.SpeechServer.Recognition;
using Microsoft.SpeechServer.Synthesis;

namespace YourSpeechApplicationNamespace
{
    /// <summary>
    /// Activity deriving from SpeechCompositeActivity.
    /// </summary>
    public class ISynthesizer_SpeakAsync2 : SpeechCompositeActivity
    {
        /// <summary>
        /// Prompt played by the activity.
        /// </summary>
        public const string pt = "This is the prompt text. ";

        /// <summary>
        /// Creates a new instance.
        /// </summary>
        public ISynthesizer_SpeakAsync2()
        {
        }

        /// <summary>
        /// Executes the activity.
        /// </summary>
        /// <param name="executionContext">The execution context</param>
        protected override void ExecuteCore(ActivityExecutionContext executionContext)
        {
            // Specify the event-handler and play the prompt
            Workflow.Synthesizer.SpeakCompleted += Synthesizer_SpeakCompleted;
            Workflow.Synthesizer.SpeakAsync(pt,SynthesisTextFormat.PlainText);
        }
        /// <summary>
        /// Closes the activity.
        /// </summary>
        /// <param name="sender">The synthesizer</param>
        /// <param name="e">The result of SpeakAsync</param>
        private void Synthesizer_SpeakCompleted(object sender, SpeakCompletedEventArgs e)
        {
            // Remove this event-handler
            Workflow.Synthesizer.SpeakCompleted -= Synthesizer_SpeakCompleted;

            // End the custom activity
            Close(e.Error);
        }
    }
}

Remarks

The event handler for SpeakCompleted returns a SpeakCompletedEventArgs object.

Platforms

Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

Windows Server 2003

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