diff --git a/ISCamRecorder/MainForm.cs b/ISCamRecorder/MainForm.cs
index 6e74095..60c601c 100644
--- a/ISCamRecorder/MainForm.cs
+++ b/ISCamRecorder/MainForm.cs
@@ -33,6 +33,7 @@
         Task _TriggerThread;            // トリガースレッド
         Task _SerialThread;             // シリアル通信スレッド
         Task _CvCameraThread;           // opencvカメラスレッド
+        Task _RecodingThread;           // 録画スレッド
         float _TriggerFrameRate = 30.0F;    // トリガーフレームレート
         private ulong _availablePhysicalMemory; //合計物理メモリ
         DateTime _LastUpdate;           // 前回のUI更新時間
@@ -248,56 +249,79 @@
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void BtnRecodeMovie_Click(object sender, EventArgs e) {
-            if (BtnRecodeMovie.Text.Equals("中断")) {
-                // 中断は機能せず
-                _Cameras.ForEach(c => c.StopRecoding());
+            if (_RecodingThread != null) {
+                // 中断
+                //_Cameras.ForEach(c => c.StopRecoding());
+                Debug.WriteLine("recoding");
             } else {
                 BtnRecodeMovie.Enabled = false;
                 BtnSetProperty.Enabled = false;
                 BtnRecodeMovie.Text = "撮影中";
                 var originalColor = BtnRecodeMovie.BackColor;
                 BtnRecodeMovie.BackColor = Color.Orange;
-                // 録画モードへ変更
+
+                _RecodingThread = Task.Run(RecodingThread);
+            }
+        }
+
+        /// <summary>
+        /// 録画スレッド
+        /// </summary>
+        private void RecodingThread()
+        {
+            string recodingDulationTxt = "";
+            string movieRateTxt = "";
+            string imageTypeTxt = "";
+            // 録画モードへ変更
+            this.Invoke((MethodInvoker)delegate {
                 _Cameras.ForEach(c => c.ChangeSink(true));
-                // 録画条件設定
-                var frameRate = _Cameras.Select(c => c.FrameRate).Average();
-                var framesToCapture = (int)(float.Parse(TxtRecodingDulation.Text) 
-                    * frameRate + 1.0F);
-                var movieRate = int.Parse(TxtMovieRate.Text);
-                var recTime = DateTime.Now.ToString("yyyyMMdd_HHmmss");
-                var outputDir = Path.Combine(TxtOutputDir.Text, $"rec{recTime}");
-                Directory.CreateDirectory(outputDir);
-                var imageType = CboImageType.Text;
-                var sensorFile = Path.Combine(outputDir, $"Sensor_{recTime}.csv");
-                _Sensor.StartRecoding(sensorFile);
-                _CvCamera.StartRecoding();
-                // 録画
-                Task[] tasks = new Task[4];
-                for (var i = 0; i < _Cameras.Count; i++) {
-                    var cam = _Cameras[i];
-                    tasks[i] = Task.Run(() => cam.RecordToMemory(framesToCapture));
-                }
-                Task.WaitAll(tasks);
-                _Sensor.StopRecoding();
-                _CvCamera.StopRecoding();
-                // 保存
+
+                recodingDulationTxt = TxtRecodingDulation.Text;
+                movieRateTxt = TxtMovieRate.Text;
+                imageTypeTxt = CboImageType.Text;
+            });
+            // 録画条件設定
+            var frameRate = _Cameras.Select(c => c.FrameRate).Average();
+            var framesToCapture = (int)(float.Parse(recodingDulationTxt) * frameRate + 1.0F);
+            var movieRate = int.Parse(movieRateTxt);
+            var recTime = DateTime.Now.ToString("yyyyMMdd_HHmmss");
+            var outputDir = Path.Combine(TxtOutputDir.Text, $"rec{recTime}");
+            Directory.CreateDirectory(outputDir);
+            var imageType = imageTypeTxt;
+            var sensorFile = Path.Combine(outputDir, $"Sensor_{recTime}.csv");
+            _Sensor.StartRecoding(sensorFile);
+            _CvCamera.StartRecoding();
+            // 録画
+            Task[] tasks = new Task[4];
+            for (var i = 0; i < _Cameras.Count; i++) {
+                var cam = _Cameras[i];
+                tasks[i] = Task.Run(() => cam.RecordToMemory(framesToCapture));
+            }
+            Task.WaitAll(tasks);
+            _Sensor.StopRecoding();
+            _CvCamera.StopRecoding();
+            // 保存
+            this.Invoke((MethodInvoker)delegate {
                 BtnRecodeMovie.Text = "保存中";
                 BtnRecodeMovie.BackColor = Color.Aqua;
-                for (var i = 0; i < _Cameras.Count; i++) {
-                    var cam = _Cameras[i];
-                    tasks[i] = Task.Run(() => cam.SaveToFile(
-                        outputDir, frameRate, movieRate, imageType, recTime));
-                }
-                Task.WaitAll(tasks);
-                _CvCamera.SaveToFile(outputDir, imageType, recTime);
+            });
+            for (var i = 0; i < _Cameras.Count; i++)
+            {
+                var cam = _Cameras[i];
+                tasks[i] = Task.Run(() => cam.SaveToFile(
+                    outputDir, frameRate, movieRate, imageType, recTime));
+            }
+            Task.WaitAll(tasks);
+            _CvCamera.SaveToFile(outputDir, imageType, recTime);
 
-                // プレビューモードへ変更
+            // プレビューモードへ変更
+            this.Invoke((MethodInvoker)delegate {
                 _Cameras.ForEach(c => c.ChangeSink(false));
                 BtnRecodeMovie.Text = "動画撮影";
-                BtnRecodeMovie.BackColor = originalColor;
+                BtnRecodeMovie.BackColor = Color.Gray;
                 BtnRecodeMovie.Enabled = true;
                 BtnSetProperty.Enabled = true;
-            }
+            });
         }
 
         /// <summary>