diff --git a/ISCamRecorder/FPS.cs b/ISCamRecorder/FPS.cs
deleted file mode 100644
index 6190c34..0000000
--- a/ISCamRecorder/FPS.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Diagnostics;
-
-namespace ISCamRecorder {
-    internal class FPS {
-        Stopwatch _Swatch = new Stopwatch();    // 高精度時間計測
-        int _Count = 0; // FPSを算出する回数
-        int _Counter = 0;   // 現在のカウント
-        public float fps { get; private set; } = 0; // FPS値
-
-        /// <summary>
-        /// コンストラクタ
-        /// </summary>
-        /// <param name="count"></param>
-        public FPS(int count) {
-            _Count = count;
-            _Swatch.Start();
-        }
-
-        /// <summary>
-        /// 計時
-        /// </summary>
-        public void Shot() {
-            if (++_Counter >= _Count) {
-                var elapsed = _Swatch.ElapsedMilliseconds;
-                fps = _Count * 1000F / elapsed;
-                _Counter = 0;
-                _Swatch.Restart();
-            }
-        }
-    }
-}
diff --git a/ISCamRecorder/FrameRateCounter.cs b/ISCamRecorder/FrameRateCounter.cs
new file mode 100644
index 0000000..45f63d8
--- /dev/null
+++ b/ISCamRecorder/FrameRateCounter.cs
@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Diagnostics;
+
+namespace ISCamRecorder {
+    internal class FrameRateCounter {
+        Stopwatch _Swatch = new Stopwatch();    // 高精度時間計測
+        int _Count = 0; // FPSを計算する回数
+        int _Counter = 0;   // 現在のカウント
+        public float FrameRate { get; private set; } = 0; // FPS値
+
+        /// <summary>
+        /// コンストラクタ
+        /// </summary>
+        /// <param name="count"></param>
+        public FrameRateCounter(int count) {
+            _Count = count;
+            _Swatch.Start();
+        }
+
+        /// <summary>
+        /// 計時
+        /// </summary>
+        public void Shot() {
+            if (++_Counter >= _Count) {
+                var elapsed = _Swatch.ElapsedMilliseconds;
+                FrameRate = _Count * 1000F / elapsed;
+                _Counter = 0;
+                _Swatch.Restart();
+            }
+        }
+    }
+}
diff --git a/ISCamRecorder/ISCamRecorder.csproj b/ISCamRecorder/ISCamRecorder.csproj
index 2fcc38e..2df358e 100644
--- a/ISCamRecorder/ISCamRecorder.csproj
+++ b/ISCamRecorder/ISCamRecorder.csproj
@@ -70,7 +70,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="FPS.cs" />
+    <Compile Include="FrameRateCounter.cs" />
     <Compile Include="MainForm.cs">
       <SubType>Form</SubType>
     </Compile>
diff --git a/ISCamRecorder/ISCamera.cs b/ISCamRecorder/ISCamera.cs
index 44e0d51..a3434dd 100644
--- a/ISCamRecorder/ISCamera.cs
+++ b/ISCamRecorder/ISCamera.cs
@@ -11,21 +11,21 @@
 namespace ISCamRecorder {
     internal class ISCamera {
         readonly string ICCF_FILE = @"dfk33ux290.iccf"; // 設定ファイル
-        readonly string CAMERA_FORMAT = "RGB32 (1920x1080)";
-        readonly float FRAME_RATE = 40F;
+        readonly string CAMERA_FORMAT = "RGB32 (1920x1080)";    // 設定ファイル無い時の解像度
+        readonly float FRAME_RATE = 40F;    // 設定ファイル無い時のFPS
 
-        ICImagingControl _iccs;     // カメラオブジェクト
+        ICImagingControl _Cam;     // カメラオブジェクト
         string _SerialNumber;       // シリアル番号
         VCDButtonProperty _Trigger; // トリガー設定
-        FPS _fps = new FPS(10);     // FPS計測
+        FrameRateCounter _Fps = new FrameRateCounter(10);     // フレームレート計測
 
         /// <summary>
         /// コンストラクタ
         /// </summary>
-        /// <param name="iccs"></param>
+        /// <param name="cameraControl"></param>
         /// <param name="serialNumber"></param>
-        public ISCamera(ICImagingControl iccs, string serialNumber) {
-            _iccs = iccs;
+        public ISCamera(ICImagingControl cameraControl, string serialNumber) {
+            _Cam = cameraControl;
             _SerialNumber = serialNumber;
         }
 
@@ -34,25 +34,25 @@
         /// </summary>
         /// <returns></returns>
         public bool Connect() {
-            if (_iccs.DeviceValid) return true;
+            if (_Cam.DeviceValid) return true;
 
             // 接続
-            _iccs.Device = _iccs.Devices.FirstOrDefault(
+            _Cam.Device = _Cam.Devices.FirstOrDefault(
                 c => c.GetSerialNumber().Equals(_SerialNumber));
-            if (!_iccs.DeviceValid) return false;
+            if (!_Cam.DeviceValid) return false;
 
             // 撮影条件設定
             try {
                 if (File.Exists(ICCF_FILE)){
-                    _iccs.LoadDeviceState(ICCFImport.Import(ICCF_FILE), false);
+                    _Cam.LoadDeviceState(ICCFImport.Import(ICCF_FILE), false);
                     Debug.WriteLine($"Camera #{_SerialNumber} loaded config {ICCF_FILE}");
                 } else {
                     //Debug.WriteLine($"Can't find config {ICCF_FILE}");
-                    _iccs.VideoFormat = _iccs.VideoFormats.FirstOrDefault(
+                    _Cam.VideoFormat = _Cam.VideoFormats.FirstOrDefault(
                         c => c.Name.Equals(CAMERA_FORMAT));
-                    _iccs.DeviceFrameRate = _iccs.DeviceFrameRates.FirstOrDefault(
+                    _Cam.DeviceFrameRate = _Cam.DeviceFrameRates.FirstOrDefault(
                         c => (c > FRAME_RATE - 0.1F && c < FRAME_RATE + 0.1F));
-                    Debug.WriteLine($"Camera #{_SerialNumber} sets {_iccs.VideoFormat}, {_iccs.DeviceFrameRate:0.0}fps");
+                    Debug.WriteLine($"Camera #{_SerialNumber} sets {_Cam.VideoFormat}, {_Cam.DeviceFrameRate:0.0}fps");
                 }
             } catch (ICException iex) {
                 MessageBox.Show(iex.Message, "Camera Error",
@@ -61,15 +61,15 @@
             }
 
             // 表示設定
-            _iccs.LiveDisplayDefault = false;
-            _iccs.LiveDisplayHeight = _iccs.Height;
-            _iccs.LiveDisplayWidth = _iccs.Width;
+            _Cam.LiveDisplayDefault = false;
+            _Cam.LiveDisplayHeight = _Cam.Height;
+            _Cam.LiveDisplayWidth = _Cam.Width;
             //            ic.ImageRingBufferSize = 2;
-            _Trigger = _iccs.VCDPropertyItems.Find<VCDButtonProperty>(
+            _Trigger = _Cam.VCDPropertyItems.Find<VCDButtonProperty>(
                 VCDGUIDs.VCDID_TriggerMode, VCDGUIDs.VCDElement_SoftwareTrigger);
-            _iccs.Sink = new FrameQueueSink(CaptureFrame, MediaSubtypes.RGB32, 5);
+            _Cam.Sink = new FrameQueueSink(CaptureFrame, MediaSubtypes.RGB32, 5);
 
-            _iccs.LiveStart();
+            _Cam.LiveStart();
 
             return true;
         }
@@ -80,7 +80,7 @@
         /// <param name="buffer"></param>
         /// <returns></returns>
         private FrameQueuedResult CaptureFrame(IFrameQueueBuffer buffer) {
-            _fps.Shot();
+            _Fps.Shot();
             return FrameQueuedResult.ReQueue;
         }
 
@@ -89,16 +89,16 @@
         /// </summary>
         /// <param name="enable"></param>
         public void SetTriggerMode(bool enable) {
-            _iccs.LiveStop();
-            _iccs.DeviceTrigger = enable;
-            _iccs.LiveStart();
+            _Cam.LiveStop();
+            _Cam.DeviceTrigger = enable;
+            _Cam.LiveStart();
         }
 
         /// <summary>
         /// ソフトウェアトリガー発信
         /// </summary>
         public void SWTrigger() {
-            if (_iccs.DeviceValid && _Trigger != null) _Trigger.Push();
+            if (_Cam.DeviceValid && _Trigger != null) _Trigger.Push();
         }
 
         /// <summary>
@@ -106,9 +106,9 @@
         /// </summary>
         /// <returns></returns>
         public string SetProperty() {
-            if (!_iccs.DeviceValid) return "";
-            _iccs.ShowPropertyDialog();
-            return _iccs.SaveDeviceState();
+            if (!_Cam.DeviceValid) return "";
+            _Cam.ShowPropertyDialog();
+            return _Cam.SaveDeviceState();
         }
 
         /// <summary>
@@ -117,23 +117,19 @@
         /// <param name="config"></param>
         /// <returns></returns>
         public string SetProperty(string config) {
-            if (!_iccs.DeviceValid) return "";
-            _iccs.LiveStop();
-            _iccs.LoadDeviceState(config, false);
-            _iccs.LiveStart();
+            if (!_Cam.DeviceValid) return "";
+            _Cam.LiveStop();
+            _Cam.LoadDeviceState(config, false);
+            _Cam.LiveStart();
             return config;
         }
 
         /// <summary>
-        /// FPS取得
+        /// カメラ情報文字列
         /// </summary>
         /// <returns></returns>
-        public float Fps() {
-            return _fps.fps;
-        }
-
         public string CameraInfo() {
-            return $"({_SerialNumber}) {_fps.fps:0.0}fps";
+            return $"({_SerialNumber}) {_Fps.FrameRate:0.0}fps";
         }
     }
 }
diff --git a/ISCamRecorder/MainForm.Designer.cs b/ISCamRecorder/MainForm.Designer.cs
index f09669d..e35aef1 100644
--- a/ISCamRecorder/MainForm.Designer.cs
+++ b/ISCamRecorder/MainForm.Designer.cs
@@ -23,22 +23,21 @@
         /// コード エディターで変更しないでください。
         /// </summary>
         private void InitializeComponent() {
-            this.BtnStartPreview = new System.Windows.Forms.Button();
             this.button2 = new System.Windows.Forms.Button();
             this.ChkTrigger = new System.Windows.Forms.CheckBox();
             this.splitContainer1 = new System.Windows.Forms.SplitContainer();
             this.splitContainer2 = new System.Windows.Forms.SplitContainer();
             this.splitContainer3 = new System.Windows.Forms.SplitContainer();
+            this.TxtTop = new System.Windows.Forms.TextBox();
             this.icTop = new TIS.Imaging.ICImagingControl();
             this.splitContainer4 = new System.Windows.Forms.SplitContainer();
-            this.splitContainer5 = new System.Windows.Forms.SplitContainer();
-            this.icLeft = new TIS.Imaging.ICImagingControl();
-            this.icFront = new TIS.Imaging.ICImagingControl();
-            this.icRight = new TIS.Imaging.ICImagingControl();
-            this.TxtTop = new System.Windows.Forms.TextBox();
             this.TxtLeft = new System.Windows.Forms.TextBox();
+            this.icLeft = new TIS.Imaging.ICImagingControl();
+            this.splitContainer5 = new System.Windows.Forms.SplitContainer();
             this.TxtFront = new System.Windows.Forms.TextBox();
+            this.icFront = new TIS.Imaging.ICImagingControl();
             this.TxtRight = new System.Windows.Forms.TextBox();
+            this.icRight = new TIS.Imaging.ICImagingControl();
             ((System.ComponentModel.ISupportInitialize)(this.splitContainer1)).BeginInit();
             this.splitContainer1.Panel1.SuspendLayout();
             this.splitContainer1.Panel2.SuspendLayout();
@@ -54,28 +53,18 @@
             this.splitContainer4.Panel1.SuspendLayout();
             this.splitContainer4.Panel2.SuspendLayout();
             this.splitContainer4.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.icLeft)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.splitContainer5)).BeginInit();
             this.splitContainer5.Panel1.SuspendLayout();
             this.splitContainer5.Panel2.SuspendLayout();
             this.splitContainer5.SuspendLayout();
-            ((System.ComponentModel.ISupportInitialize)(this.icLeft)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.icFront)).BeginInit();
             ((System.ComponentModel.ISupportInitialize)(this.icRight)).BeginInit();
             this.SuspendLayout();
             // 
-            // BtnStartPreview
-            // 
-            this.BtnStartPreview.Location = new System.Drawing.Point(12, 12);
-            this.BtnStartPreview.Name = "BtnStartPreview";
-            this.BtnStartPreview.Size = new System.Drawing.Size(102, 42);
-            this.BtnStartPreview.TabIndex = 1;
-            this.BtnStartPreview.Text = "Start Preview";
-            this.BtnStartPreview.UseVisualStyleBackColor = true;
-            this.BtnStartPreview.Click += new System.EventHandler(this.BtnStartPreview_Click);
-            // 
             // button2
             // 
-            this.button2.Location = new System.Drawing.Point(120, 12);
+            this.button2.Location = new System.Drawing.Point(12, 12);
             this.button2.Name = "button2";
             this.button2.Size = new System.Drawing.Size(102, 42);
             this.button2.TabIndex = 5;
@@ -86,7 +75,7 @@
             // ChkTrigger
             // 
             this.ChkTrigger.AutoSize = true;
-            this.ChkTrigger.Location = new System.Drawing.Point(228, 26);
+            this.ChkTrigger.Location = new System.Drawing.Point(120, 26);
             this.ChkTrigger.Name = "ChkTrigger";
             this.ChkTrigger.Size = new System.Drawing.Size(83, 16);
             this.ChkTrigger.TabIndex = 6;
@@ -141,6 +130,14 @@
             this.splitContainer3.SplitterDistance = 296;
             this.splitContainer3.TabIndex = 0;
             // 
+            // TxtTop
+            // 
+            this.TxtTop.Location = new System.Drawing.Point(4, 3);
+            this.TxtTop.Name = "TxtTop";
+            this.TxtTop.ReadOnly = true;
+            this.TxtTop.Size = new System.Drawing.Size(288, 19);
+            this.TxtTop.TabIndex = 2;
+            // 
             // icTop
             // 
             this.icTop.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
@@ -174,6 +171,29 @@
             this.splitContainer4.SplitterDistance = 296;
             this.splitContainer4.TabIndex = 0;
             // 
+            // TxtLeft
+            // 
+            this.TxtLeft.Location = new System.Drawing.Point(3, 3);
+            this.TxtLeft.Name = "TxtLeft";
+            this.TxtLeft.ReadOnly = true;
+            this.TxtLeft.Size = new System.Drawing.Size(288, 19);
+            this.TxtLeft.TabIndex = 4;
+            // 
+            // icLeft
+            // 
+            this.icLeft.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.icLeft.BackColor = System.Drawing.Color.White;
+            this.icLeft.DeviceListChangedExecutionMode = TIS.Imaging.EventExecutionMode.Invoke;
+            this.icLeft.DeviceLostExecutionMode = TIS.Imaging.EventExecutionMode.AsyncInvoke;
+            this.icLeft.ImageAvailableExecutionMode = TIS.Imaging.EventExecutionMode.MultiThreaded;
+            this.icLeft.LiveDisplayPosition = new System.Drawing.Point(0, 0);
+            this.icLeft.Location = new System.Drawing.Point(3, 28);
+            this.icLeft.Name = "icLeft";
+            this.icLeft.Size = new System.Drawing.Size(291, 213);
+            this.icLeft.TabIndex = 3;
+            // 
             // splitContainer5
             // 
             this.splitContainer5.Dock = System.Windows.Forms.DockStyle.Fill;
@@ -193,20 +213,13 @@
             this.splitContainer5.SplitterDistance = 296;
             this.splitContainer5.TabIndex = 0;
             // 
-            // icLeft
+            // TxtFront
             // 
-            this.icLeft.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left) 
-            | System.Windows.Forms.AnchorStyles.Right)));
-            this.icLeft.BackColor = System.Drawing.Color.White;
-            this.icLeft.DeviceListChangedExecutionMode = TIS.Imaging.EventExecutionMode.Invoke;
-            this.icLeft.DeviceLostExecutionMode = TIS.Imaging.EventExecutionMode.AsyncInvoke;
-            this.icLeft.ImageAvailableExecutionMode = TIS.Imaging.EventExecutionMode.MultiThreaded;
-            this.icLeft.LiveDisplayPosition = new System.Drawing.Point(0, 0);
-            this.icLeft.Location = new System.Drawing.Point(3, 28);
-            this.icLeft.Name = "icLeft";
-            this.icLeft.Size = new System.Drawing.Size(291, 213);
-            this.icLeft.TabIndex = 3;
+            this.TxtFront.Location = new System.Drawing.Point(3, 3);
+            this.TxtFront.Name = "TxtFront";
+            this.TxtFront.ReadOnly = true;
+            this.TxtFront.Size = new System.Drawing.Size(288, 19);
+            this.TxtFront.TabIndex = 10;
             // 
             // icFront
             // 
@@ -223,6 +236,14 @@
             this.icFront.Size = new System.Drawing.Size(289, 213);
             this.icFront.TabIndex = 9;
             // 
+            // TxtRight
+            // 
+            this.TxtRight.Location = new System.Drawing.Point(1, 3);
+            this.TxtRight.Name = "TxtRight";
+            this.TxtRight.ReadOnly = true;
+            this.TxtRight.Size = new System.Drawing.Size(288, 19);
+            this.TxtRight.TabIndex = 11;
+            // 
             // icRight
             // 
             this.icRight.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
@@ -238,38 +259,6 @@
             this.icRight.Size = new System.Drawing.Size(291, 213);
             this.icRight.TabIndex = 5;
             // 
-            // TxtTop
-            // 
-            this.TxtTop.Location = new System.Drawing.Point(4, 3);
-            this.TxtTop.Name = "TxtTop";
-            this.TxtTop.ReadOnly = true;
-            this.TxtTop.Size = new System.Drawing.Size(288, 19);
-            this.TxtTop.TabIndex = 2;
-            // 
-            // TxtLeft
-            // 
-            this.TxtLeft.Location = new System.Drawing.Point(3, 3);
-            this.TxtLeft.Name = "TxtLeft";
-            this.TxtLeft.ReadOnly = true;
-            this.TxtLeft.Size = new System.Drawing.Size(288, 19);
-            this.TxtLeft.TabIndex = 4;
-            // 
-            // TxtFront
-            // 
-            this.TxtFront.Location = new System.Drawing.Point(3, 3);
-            this.TxtFront.Name = "TxtFront";
-            this.TxtFront.ReadOnly = true;
-            this.TxtFront.Size = new System.Drawing.Size(288, 19);
-            this.TxtFront.TabIndex = 10;
-            // 
-            // TxtRight
-            // 
-            this.TxtRight.Location = new System.Drawing.Point(1, 3);
-            this.TxtRight.Name = "TxtRight";
-            this.TxtRight.ReadOnly = true;
-            this.TxtRight.Size = new System.Drawing.Size(288, 19);
-            this.TxtRight.TabIndex = 11;
-            // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
@@ -278,7 +267,6 @@
             this.Controls.Add(this.splitContainer1);
             this.Controls.Add(this.ChkTrigger);
             this.Controls.Add(this.button2);
-            this.Controls.Add(this.BtnStartPreview);
             this.Name = "MainForm";
             this.Text = "マルチカメラ撮影ソフトウェア by フロンティア医工学センター";
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.MainForm_FormClosing);
@@ -300,13 +288,13 @@
             this.splitContainer4.Panel2.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)(this.splitContainer4)).EndInit();
             this.splitContainer4.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.icLeft)).EndInit();
             this.splitContainer5.Panel1.ResumeLayout(false);
             this.splitContainer5.Panel1.PerformLayout();
             this.splitContainer5.Panel2.ResumeLayout(false);
             this.splitContainer5.Panel2.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)(this.splitContainer5)).EndInit();
             this.splitContainer5.ResumeLayout(false);
-            ((System.ComponentModel.ISupportInitialize)(this.icLeft)).EndInit();
             ((System.ComponentModel.ISupportInitialize)(this.icFront)).EndInit();
             ((System.ComponentModel.ISupportInitialize)(this.icRight)).EndInit();
             this.ResumeLayout(false);
@@ -315,7 +303,6 @@
         }
 
         #endregion
-        private System.Windows.Forms.Button BtnStartPreview;
         private System.Windows.Forms.Button button2;
         private System.Windows.Forms.CheckBox ChkTrigger;
         private System.Windows.Forms.SplitContainer splitContainer1;
diff --git a/ISCamRecorder/MainForm.cs b/ISCamRecorder/MainForm.cs
index 94fac23..161b628 100644
--- a/ISCamRecorder/MainForm.cs
+++ b/ISCamRecorder/MainForm.cs
@@ -12,8 +12,8 @@
 
 namespace ISCamRecorder {
     public partial class MainForm : Form {
-        private System.Threading.Timer _timer;
-        List<ISCamera> _Cam = new List<ISCamera> ();    // カメラオブジェクト
+        private System.Threading.Timer _UITimer;
+        List<ISCamera> _Cameras = new List<ISCamera> ();    // カメラオブジェクト
         //private Stopwatch _Swatch = new Stopwatch();    // 高精度時間計測
 
         /// <summary>
@@ -31,14 +31,14 @@
         private void MainForm_Load(object sender, EventArgs e) {
             SetTitle(this.Text);
 
-            _Cam.Add(new ISCamera(icTop, "9220016"));
-            _Cam.Add(new ISCamera(icLeft, "9220018"));
-            _Cam.Add(new ISCamera(icFront, "9220021"));
-            _Cam.Add(new ISCamera(icRight, "9220025"));
+            _Cameras.Add(new ISCamera(icTop, "9220016"));
+            _Cameras.Add(new ISCamera(icLeft, "9220018"));
+            _Cameras.Add(new ISCamera(icFront, "9220021"));
+            _Cameras.Add(new ISCamera(icRight, "9220025"));
             //_Swatch.Start();
 
-            _Cam.ForEach(c => c.Connect());
-            _timer = new System.Threading.Timer(TimerCB, this, 0, 2000);
+            _Cameras.ForEach(c => c.Connect());
+            _UITimer = new System.Threading.Timer(TimerCB, this, 0, 2000);
         }
 
         /// <summary>
@@ -58,19 +58,10 @@
                 return;
             }
             //_Cam.ForEach(c => c.SWTrigger());
-            TxtTop.Text = $"Top {_Cam[0].CameraInfo()}";
-            TxtLeft.Text = $"Left {_Cam[1].CameraInfo()}";
-            TxtFront.Text = $"Front {_Cam[2].CameraInfo()}";
-            TxtRight.Text = $"Right {_Cam[3].CameraInfo()}";
-        }
-
-        /// <summary>
-        /// カメラ接続とプレビュー開始
-        /// </summary>
-        /// <param name="sender"></param>
-        /// <param name="e"></param>
-        private void BtnStartPreview_Click(object sender, EventArgs e) {
-            _Cam.ForEach(c => c.Connect());
+            TxtTop.Text = $"Top {_Cameras[0].CameraInfo()}";
+            TxtLeft.Text = $"Left {_Cameras[1].CameraInfo()}";
+            TxtFront.Text = $"Front {_Cameras[2].CameraInfo()}";
+            TxtRight.Text = $"Right {_Cameras[3].CameraInfo()}";
         }
 
         /// <summary>
@@ -79,8 +70,8 @@
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void SetProperty_Click(object sender, EventArgs e) {
-            var config =_Cam[0].SetProperty();
-            _Cam.ForEach(c => c.SetProperty(config));
+            var config =_Cameras[0].SetProperty();
+            _Cameras.ForEach(c => c.SetProperty(config));
         }
 
         /// <summary> 
@@ -102,7 +93,7 @@
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void MainForm_FormClosing(object sender, FormClosingEventArgs e) {
-            _timer.Dispose();
+            _UITimer.Dispose();
         }
 
         /// <summary>
@@ -111,7 +102,7 @@
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void ChkTrigger_CheckedChanged(object sender, EventArgs e) {
-            _Cam.ForEach(c => c.SetTriggerMode(((CheckBox)sender).Checked));
+            _Cameras.ForEach(c => c.SetTriggerMode(((CheckBox)sender).Checked));
         }
     }
 }