コード例 #1
0
        private void RunRecognizeText(object threadContext)
        {
            MappingRecognizeAsyncResult asyncResult = (MappingRecognizeAsyncResult)threadContext;
            MappingResultState          resultState = new MappingResultState();
            MappingPropertyBag          bag         = null;

            try
            {
                bag = this.RecognizeText(asyncResult.Text, asyncResult.Length, asyncResult.Index, asyncResult.Options);
            }
            catch (LinguisticException linguisticException)
            {
                resultState = linguisticException.ResultState;
            }
            asyncResult.SetResult(bag, resultState);
            // Don't catch any exceptions.
            try
            {
                asyncResult.AsyncCallback(asyncResult);
            }
            finally
            {
                Thread.MemoryBarrier();
                ((ManualResetEvent)asyncResult.AsyncWaitHandle).Set();
            }
        }
コード例 #2
0
 /// <summary>
 /// Waits for the asynchronous operation to complete.
 /// </summary>
 /// <param name="asyncResult">The <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object associated with the operation.</param>
 public static void EndRecognizeText(MappingRecognizeAsyncResult asyncResult)
 {
     if (asyncResult != null && !asyncResult.IsCompleted)
     {
         asyncResult.AsyncWaitHandle.WaitOne();
     }
 }
コード例 #3
0
        /// <summary>
        /// Calls an ELS service to recognize text. For example, the Microsoft Language Detection service
        /// will attempt to recognize the language in which the input text is written. The execution will be
        /// handled in a thread from the managed thread pool, and the asynchronous wait handle of the returned
        /// <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object will be notified when the operation completes. The results of
        /// the call will be stored inside the <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object.
        /// </summary>
        /// <param name="text">The text to recognize. The text must be UTF-16, but some services have additional
        /// requirements for the input format. This parameter cannot be set to null.</param>
        /// <param name="length">Length, in characters, of the text specified in text.</param>
        /// <param name="index">Index inside the specified text to be used by the service. This value should be
        /// between 0 and length-1. If the application wants to process the entire text, it should set this
        /// parameter to 0.</param>
        /// <param name="options">Optional. A <see cref="MappingOptions">MappingOptions</see> object containing options that affect the result and
        /// behavior of text recognition. The application does not have to specify values for all object members.
        /// This parameter can be set to null to use the default mapping options.</param>
        /// <param name="asyncCallback">An application callback delegate to receive callbacks with the results from
        /// the recognize operation. Cannot be set to null.</param>
        /// <param name="callerData">Optional. Private application object passed to the callback function
        /// by a service after text recognition is complete. The application must set this parameter to null to
        /// indicate no private application data.</param>
        /// <returns>A <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object describing the asynchronous operation.</returns>
        public MappingRecognizeAsyncResult BeginRecognizeText(string text, int length, int index, MappingOptions options, AsyncCallback asyncCallback, object callerData)
        {
            if (asyncCallback == null)
            {
                throw new ArgumentNullException("asyncCallback");
            }
            MappingRecognizeAsyncResult result = new MappingRecognizeAsyncResult(callerData, asyncCallback, text, length, index, options);

            ThreadPool.QueueUserWorkItem(this.RunRecognizeText, result);
            return(result);
        }
コード例 #4
0
ファイル: MappingService.cs プロジェクト: mlnlover11/XMail
 /// <summary>
 /// Waits for the asynchronous operation to complete.
 /// </summary>
 /// <param name="asyncResult">The <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object associated with the operation.</param>        
 public static void EndRecognizeText(MappingRecognizeAsyncResult asyncResult)
 {
     if (asyncResult != null && !asyncResult.IsCompleted)
     {
         asyncResult.AsyncWaitHandle.WaitOne();
     }
 }
コード例 #5
0
ファイル: MappingService.cs プロジェクト: mlnlover11/XMail
 /// <summary>
 /// Calls an ELS service to recognize text. For example, the Microsoft Language Detection service
 /// will attempt to recognize the language in which the input text is written. The execution will be
 /// handled in a thread from the managed thread pool, and the asynchronous wait handle of the returned
 /// <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object will be notified when the operation completes. The results of
 /// the call will be stored inside the <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object.
 /// </summary>
 /// <param name="text">The text to recognize. The text must be UTF-16, but some services have additional
 /// requirements for the input format. This parameter cannot be set to null.</param>
 /// <param name="length">Length, in characters, of the text specified in text.</param>
 /// <param name="index">Index inside the specified text to be used by the service. This value should be
 /// between 0 and length-1. If the application wants to process the entire text, it should set this
 /// parameter to 0.</param>
 /// <param name="options">Optional. A <see cref="MappingOptions">MappingOptions</see> object containing options that affect the result and
 /// behavior of text recognition. The application does not have to specify values for all object members.
 /// This parameter can be set to null to use the default mapping options.</param>
 /// <param name="asyncCallback">An application callback delegate to receive callbacks with the results from
 /// the recognize operation. Cannot be set to null.</param>
 /// <param name="callerData">Optional. Private application object passed to the callback function
 /// by a service after text recognition is complete. The application must set this parameter to null to
 /// indicate no private application data.</param>
 /// <returns>A <see cref="MappingRecognizeAsyncResult">MappingRecognizeAsyncResult</see> object describing the asynchronous operation.</returns>
 public MappingRecognizeAsyncResult BeginRecognizeText(string text, int length, int index, MappingOptions options, AsyncCallback asyncCallback, object callerData)
 {
     if (asyncCallback == null)
     {
         throw new ArgumentNullException("asyncCallback");
     }
     MappingRecognizeAsyncResult result = new MappingRecognizeAsyncResult(callerData, asyncCallback, text, length, index, options);
     try
     {
         ThreadPool.QueueUserWorkItem(this.RunRecognizeText, result);
         return result;
     }
     catch
     {
         result.Dispose();
         throw;
     }
 }