Добавлена блокировка изменения resultView при запуске задания. Добавлен waitOrPauseLabel для оповещения о длительной операции.

fileFinder/MainForm.Designer.cs

@@ -36,6 +36,7 @@
             this.handleSearchBtn = new System.Windows.Forms.Button();
             this.innerQueryTextBox = new System.Windows.Forms.TextBox();
             this.queryTextBox = new System.Windows.Forms.TextBox();
+            this.waitOrPauseLabel = new System.Windows.Forms.Label();
             this.bottomPanel = new System.Windows.Forms.Panel();
             this.infoLabel = new System.Windows.Forms.Label();
             ((System.ComponentModel.ISupportInitialize)(this.splitContainer)).BeginInit();
@@ -47,6 +48,7 @@
             // 
             // resultViewer
             // 
+            this.resultViewer.Cursor = System.Windows.Forms.Cursors.Arrow;
             this.resultViewer.Dock = System.Windows.Forms.DockStyle.Top;
             this.resultViewer.Location = new System.Drawing.Point(0, 0);
             this.resultViewer.Name = "resultViewer";
@@ -90,6 +92,7 @@
             // 
             // splitContainer.Panel2
             // 
+            this.splitContainer.Panel2.Controls.Add(this.waitOrPauseLabel);
             this.splitContainer.Panel2.Controls.Add(this.resultViewer);
             this.splitContainer.Panel2.Controls.Add(this.bottomPanel);
             this.splitContainer.Size = new System.Drawing.Size(800, 450);
@@ -123,6 +126,18 @@
             this.queryTextBox.Tag = "";
             this.queryTextBox.Text = "*.txt";
             // 
+            // waitOrPauseLabel
+            // 
+            this.waitOrPauseLabel.Cursor = System.Windows.Forms.Cursors.AppStarting;
+            this.waitOrPauseLabel.Location = new System.Drawing.Point(203, 137);
+            this.waitOrPauseLabel.Name = "waitOrPauseLabel";
+            this.waitOrPauseLabel.Size = new System.Drawing.Size(395, 68);
+            this.waitOrPauseLabel.TabIndex = 7;
+            this.waitOrPauseLabel.Text = "Приложение выполняет поиск по заданным условиям. \r\nДля ознакомления с результатам" +
+    "и нажмите кнопку паузы\r\nили дождитесь окончания операции.";
+            this.waitOrPauseLabel.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
+            this.waitOrPauseLabel.Visible = false;
+            // 
             // bottomPanel
             // 
             this.bottomPanel.AutoSize = true;
@@ -152,7 +167,7 @@
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.MaximizeBox = false;
             this.Name = "MainForm";
-            this.Text = "fileFinder Utility Created by Defend";
+            this.Text = "fileFinder";
             this.splitContainer.Panel1.ResumeLayout(false);
             this.splitContainer.Panel1.PerformLayout();
             this.splitContainer.Panel2.ResumeLayout(false);
@@ -176,6 +191,7 @@
         private System.Windows.Forms.Label infoLabel;
         private System.Windows.Forms.TextBox queryTextBox;
         private System.Windows.Forms.TextBox innerQueryTextBox;
+        private System.Windows.Forms.Label waitOrPauseLabel;
     }
 }
 

fileFinder/MainForm.cs

@@ -145,6 +145,8 @@ namespace fileFinder
             if (mainController.isStopped)
             {
                 handleSearchBtn.Text = "Pause Task";
+                waitOrPauseLabel.Visible = true;
+                resultViewer.Enabled = false;
                 mainController.beginTask();
                 TreeNode tN = await Task.Run(() => buildResultTree(mainController, progress));
                 updateResultViewer(tN);
@@ -152,10 +154,14 @@ namespace fileFinder
             } else if (mainController.isPaused)
             {
                 handleSearchBtn.Text = "Pause Task";
+                waitOrPauseLabel.Visible = true;
+                resultViewer.Enabled = false;
                 mainController.resumeTask();
             } else
             {
                 handleSearchBtn.Text = "Resume Task";
+                waitOrPauseLabel.Visible = false;
+                resultViewer.Enabled = true;
                 mainController.pauseTask();
             }
         }