InstalledVoice.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Synthesis / InstalledVoice.cs / 1 / InstalledVoice.cs
                        
                        
                            //------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------- 

using System; 
using System.Collections.Generic; 
using System.Collections.ObjectModel;
using System.ComponentModel; 
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Speech.AudioFormat; 
using System.Speech.Internal;
using System.Speech.Internal.ObjectTokens; 
using System.Speech.Internal.Synthesis; 
using System.Speech.Synthesis.TtsEngine;
using System.Threading; 

using RegistryDataKey = System.Speech.Internal.ObjectTokens.RegistryDataKey;
using RegistryEntry = System.Collections.Generic.KeyValuePair;
 
#pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages.
 
namespace System.Speech.Synthesis 
{
    ///  
    /// TODOC
    /// 
    [DebuggerDisplay ("{VoiceInfo.Name} [{Enabled ? \"Enabled\" : \"Disabled\"}]")]
    public class InstalledVoice 
    {
        //******************************************************************* 
        // 
        // Constructors
        // 
        //*******************************************************************

        #region Constructors
 
        internal InstalledVoice (VoiceSynthesis voiceSynthesizer, VoiceInfo voice)
        { 
            _voiceSynthesizer = voiceSynthesizer; 
            _voice = voice;
            _enabled = true; 
        }

        #endregion
 
        //********************************************************************
        // 
        // Public Properties 
        //
        //******************************************************************* 

        #region public Properties

        ///  
        /// TODOC
        ///  
        public VoiceInfo VoiceInfo 
        {
            get 
            {
                return _voice;
            }
        } 

        ///  
        /// TODOC 
        /// 
        public bool Enabled 
        {
            get
            {
                return _enabled; 
            }
            set 
            { 
                SetEnabledFlag (value, true);
            } 
        }

        #endregion Events
 
        //********************************************************************
        // 
        // Public Methods 
        //
        //******************************************************************** 

        #region public Methods

        /// TODOC 
        public override bool Equals (object obj)
        { 
            InstalledVoice ti2 = obj as InstalledVoice; 
            if (ti2 == null)
            { 
                return false;
            }

 
            return VoiceInfo.Name == ti2.VoiceInfo.Name && VoiceInfo.Age == ti2.VoiceInfo.Age && VoiceInfo.Gender == ti2.VoiceInfo.Gender && VoiceInfo.Culture.Equals (ti2.VoiceInfo.Culture);
        } 
 
        /// TODOC
        public override int GetHashCode () 
        {
            return VoiceInfo.Name.GetHashCode ();
        }
 
        #endregion Events
 
        //******************************************************************* 
        //
        // Internal Methods 
        //
        //********************************************************************

        #region Internal Methods 

        internal static InstalledVoice Find (List list, VoiceInfo voiceId) 
        { 
            foreach (InstalledVoice ti in list)
            { 
                if (ti.Enabled && ti.VoiceInfo.Equals (voiceId))
                {
                    return ti;
                } 
            }
            return null; 
        } 

        internal static InstalledVoice FirstEnabled (List list, CultureInfo culture) 
        {
            InstalledVoice voiceFirst = null;
            foreach (InstalledVoice ti in list)
            { 
                if (ti.Enabled)
                { 
                    if (Helpers.CompareInvariantCulture (ti.VoiceInfo.Culture, culture)) 
                    {
                        return ti; 
                    }
                    if (voiceFirst == null)
                    {
                        voiceFirst = ti; 
                    }
                } 
            } 
            return voiceFirst;
        } 

        internal void SetEnabledFlag (bool value, bool switchContext)
        {
            try 
            {
                if (_enabled != value) 
                { 
                    _enabled = value;
                    if (_enabled == false) 
                    {
                        // reset the default voice if necessary
                        if (_voice.Equals (_voiceSynthesizer.CurrentVoice (switchContext).VoiceInfo))
                        { 
                            _voiceSynthesizer.Voice = null;
                        } 
                    } 
                    else
                    { 
                        // reset the default voice if necessary. This new voice could be the default
                        _voiceSynthesizer.Voice = null;
                    }
                } 
            }
            // If no voice can be set, ignore the error 
            catch (InvalidOperationException) 
            {
                // reset to the default voice. 
                _voiceSynthesizer.Voice = null;
            }
        }
 
        #endregion
 
        //******************************************************************* 
        //
        // Private Fields 
        //
        //*******************************************************************

        #region Private Fields 

        private VoiceInfo _voice; 
        private bool _enabled; 

#pragma warning disable 6524 // The voice synthesizer cannot be disposed when this object is deleted. 
        private VoiceSynthesis _voiceSynthesizer;
#pragma warning restore 6524

        #endregion 
    }
} 
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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InstalledVoice.cs source code in C# .NET

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