buildResultTree теперь использует string[] вместо List<string> для поиска внутри файла. Во время паузы resultView обновляется, а обновлением теперь занимается метод updateResultViewer. Нижний инфобар теперь работает полноценно (updateInfoLabel, refreshInfoByTimer).

fileFinder/MainForm.Designer.cs

@@ -28,6 +28,7 @@
         /// </summary>
         private void InitializeComponent()
         {
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
             this.resultViewer = new System.Windows.Forms.TreeView();
             this.dirSelectBtn = new System.Windows.Forms.Button();
             this.curDirTextBox = new System.Windows.Forms.TextBox();
@@ -74,6 +75,7 @@
             // splitContainer
             // 
             this.splitContainer.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.splitContainer.FixedPanel = System.Windows.Forms.FixedPanel.Panel1;
             this.splitContainer.Location = new System.Drawing.Point(0, 0);
             this.splitContainer.Name = "splitContainer";
             this.splitContainer.Orientation = System.Windows.Forms.Orientation.Horizontal;
@@ -134,13 +136,11 @@
             // infoLabel
             // 
             this.infoLabel.AutoSize = true;
-            this.infoLabel.Dock = System.Windows.Forms.DockStyle.Fill;
             this.infoLabel.Location = new System.Drawing.Point(0, 0);
             this.infoLabel.Name = "infoLabel";
-            this.infoLabel.Size = new System.Drawing.Size(423, 13);
+            this.infoLabel.Size = new System.Drawing.Size(263, 13);
             this.infoLabel.TabIndex = 0;
-            this.infoLabel.Text = "Current file is: C:\\nextcloud\\scripts\\... | Number of handled files: 123 | It\'s b" +
-    "een 30 secs...\r\n";
+            this.infoLabel.Text = "Time: 00:00:00 | Processed files: 0 | Current item: none";
             // 
             // MainForm
             // 
@@ -148,6 +148,7 @@
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(800, 450);
             this.Controls.Add(this.splitContainer);
+            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.Name = "MainForm";
             this.Text = "fileFinder Utility Created by Defend";
             this.splitContainer.Panel1.ResumeLayout(false);

fileFinder/MainForm.cs

@@ -9,17 +9,23 @@ using System.Threading.Tasks;
 using System.Windows.Forms;
 using System.IO;
 using System.Threading;
+using System.Timers;
 
 namespace fileFinder
 {
     public partial class MainForm : Form
     {
         bool hintHided = false;
-        TaskController mainController = new TaskController();
+        TaskController mainController;
+        System.Timers.Timer updateInfoTimer = new System.Timers.Timer(1000);
 
         public MainForm()
         {
             InitializeComponent();
+            mainController = new TaskController();
+            this.updateInfoTimer.Elapsed += refreshInfoByTimer;
+            this.updateInfoTimer.AutoReset = true;
+            this.updateInfoTimer.Enabled = true;
             try
             {
                 ImageList iconList = new ImageList();
@@ -75,71 +81,85 @@ namespace fileFinder
             foreach (String item in foundFiles)
             {
                 while (controller.isPaused)
-                    Thread.Sleep(100);
-                List<string> fileLines = new List<string>();
-                try
-                {
-                    fileLines = getFileContents(item);
-                }
-                catch (Exception ex)
                 {                    
-                    MessageBox.Show(ex.Message, "Ошибка поиска внутри файла!");
+                    Thread.Sleep(100);
+                    if (!mainController.isFormUpdatedAfterPause)
+                    {
+                        mainController.isFormUpdatedAfterPause = true;
+                        _report.progress = counter;
+                        _report.currentFileUrl = item;
+                        _report.currentTreeNode = (TreeNode) itemsNode.Clone();
+                        report.Report(_report);
+                    }
                 }
+
+                string[] fileLines = getFileContents(item);
                 _report.progress = counter;
                 _report.currentFileUrl = item;
                 report.Report(_report);
 
-                if ((fileLines.Count > 0) && (isFileContainQuery(fileLines, innerQueryTextBox.Text)))
+                if ((fileLines.Length > 0) && (isFileContainQuery(fileLines, innerQueryTextBox.Text)))
+                {
+                    counter++;
                     await fillChildNode(itemsNode, item.Replace(curDirTextBox.Text, ""));
+                }
             }
             controller.stopTask();
             return itemsNode;
         }
 
-        private List<string> getFileContents (string fileUrl)
+        private string[] getFileContents (string fileUrl)
         {
-            List<string> lines = new List<string>();
-            FileStream fStream = new FileStream(fileUrl, FileMode.Open, FileAccess.Read);
-            using (StreamReader sReader = new StreamReader(fStream, Encoding.UTF8))
+            try
             {
-                string line;
-                while ((line = sReader.ReadLine()) != null)
-                    lines.Add(line);
+                return File.ReadAllLines(fileUrl, Encoding.UTF8);
             }
-            return lines;
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка поиска внутри файла!");
+            }
+            return null;
         }
 
-        private bool isFileContainQuery (List<string> fileLines, string query)
+        private bool isFileContainQuery (string[] fileLines, string query)
         {
-            foreach (string line in fileLines)
-            {
-                if (line.IndexOf(query) != -1)
+            int count = 0;
+            while (fileLines.Length > count)
+                if (fileLines[count].IndexOf(query) != -1)
+                {
                     return true;
-                else break;
-            }
+                }
+                count++;
             return false;
         }
 
         private void reportProgress(object sender, ProgressReportModel report)
         {
-            infoLabel.Text = report.currentFileUrl;
+            if (!mainController.isPaused)
+                updateInfoLabel(report.currentFileUrl, report.progress);
+            else if (mainController.isPaused)
+                updateResultViewer(report.currentTreeNode);                
         }
 
         private async void handleSearchBtn_Click(object sender, EventArgs e)
         {
+            Progress<ProgressReportModel> progress = new Progress<ProgressReportModel>();
+            progress.ProgressChanged += reportProgress;
+
             if (mainController.isStopped)
             {
+                handleSearchBtn.Text = "Pause Task";
                 mainController.beginTask();
-                Progress<ProgressReportModel> progress = new Progress<ProgressReportModel>();
-                progress.ProgressChanged += reportProgress;
                 TreeNode tN = await Task.Run(() => buildResultTree(mainController, progress));
-                resultViewer.Nodes.Clear();
-                resultViewer.Nodes.Add(tN);
+                updateResultViewer(tN);
+                handleSearchBtn.Text = "Start Task";
             } else if (mainController.isPaused)
             {
+                handleSearchBtn.Text = "Pause Task";
                 mainController.resumeTask();
             } else
             {
+                handleSearchBtn.Text = "Resume Task";
                 mainController.pauseTask();
             }
         }
@@ -171,5 +191,35 @@ namespace fileFinder
                     break;
             }
         }
+
+        public void updateInfoLabel (string fileUrl, int counter)
+        {
+            TimeSpan tS = mainController.elapsedTime();
+            string time = String.Format("{0:00}:{1:00}:{2:00}", tS.Hours, tS.Minutes, tS.Seconds);
+            infoLabel.Text = "Time: " + time + " " +  "| Processed files: " + counter +
+                " | Current file: " + fileUrl;
+
+        }
+        
+        public void updateResultViewer(TreeNode tN)
+        {
+            if (tN != null)
+            {
+                resultViewer.Nodes.Clear();
+                resultViewer.Nodes.Add(tN);
+            }
+        }
+
+        public void refreshInfoByTimer (object sender, ElapsedEventArgs e)
+        {
+            Action refresh = () =>
+            {
+                TimeSpan tS = mainController.elapsedTime();
+                string time = String.Format("{0:00}:{1:00}:{2:00}", tS.Hours, tS.Minutes, tS.Seconds);
+                infoLabel.Text = "Time: " + time + " |" +
+                    infoLabel.Text.Substring(infoLabel.Text.IndexOf("|") + 1);
+            };
+            try { this.Invoke(refresh); } catch { }
+        }
     }
 }

fileFinder/ProgressReportModel.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 
 namespace fileFinder
 {
@@ -10,5 +11,6 @@ namespace fileFinder
     {
         public int progress { get; set; }
         public string currentFileUrl { get; set; }
+        public TreeNode currentTreeNode { get; set; }
     }
 }

fileFinder/TaskController.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Timers;
 
 namespace fileFinder
 {
@@ -10,17 +12,21 @@ namespace fileFinder
     {
         public bool isPaused { get; private set; }
         public bool isStopped { get; private set; }
+        public bool isFormUpdatedAfterPause { get; set; }
+        private Stopwatch stopwatch = new Stopwatch();
 
         public TaskController ()
         {
             isPaused = false;
             isStopped = true;
+            isFormUpdatedAfterPause = true;
         }
 
         public bool beginTask ()
         {
             isPaused = false;
             isStopped = false;
+            stopwatch.Restart();
             return true;
         }
 
@@ -29,6 +35,8 @@ namespace fileFinder
             if (!isPaused && !isStopped)
             {
                 isPaused = true;
+                isFormUpdatedAfterPause = false;
+                stopwatch.Stop();
                 return true;
             } else
                 return false;
@@ -39,6 +47,7 @@ namespace fileFinder
             if (isPaused && !isStopped)
             {
                 isPaused = false;
+                stopwatch.Start();
                 return true;
             } else
                 return false;
@@ -49,10 +58,15 @@ namespace fileFinder
             if (!isStopped)
             {
                 isStopped = true;
+                stopwatch.Stop();
                 return true;
             } else
                 return false;
         }
 
+        public TimeSpan elapsedTime ()
+        {
+            return stopwatch.Elapsed;
+        }
     }
 }