Async stop

imagecatalog/DataModel.cs

@@ -8,6 +8,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Input;
+using Microsoft.Extensions.Logging;
 
 namespace ImageCatalog_2
 {
@@ -17,20 +18,36 @@ namespace ImageCatalog_2
         public ICommand TestCommand { get; }
 
         public ICommand AsyncTestCommand { get; }
+        public ICommand AsyncCancelOperationCommand { get; }
         
         public ICommand ProcessImagesCommand { get; }
 
         private readonly ITestService _service;
-        public DataModel(ITestService testService)
+        private readonly ILogger<DataModel>  _logger;
+        public DataModel(ITestService testService, ILogger<DataModel> logger)
         {
             _service = testService;
+            _logger = logger;
 
             TestCommand = new RelayCommand(Test);
             AsyncTestCommand = new AsyncCommand(TestAsync);
+            AsyncCancelOperationCommand = new AsyncCommand(CancelOperation);
             
             ProcessImagesCommand = new AsyncCommand(ProcessImages);
         }
 
+        private CancellationTokenSource? _mainToken;
+
+        public CancellationTokenSource? MainToken
+        {
+            get => _mainToken;
+            set
+            {
+                _mainToken = value;
+                NotifyPropertyChanged();
+            }
+        }
+
         private string _sourcePath;
 
         public string SourcePath
@@ -131,5 +148,20 @@ namespace ImageCatalog_2
             
         }
 
+        private async Task CancelOperation()
+        {
+            try
+            {
+                await MainToken?.CancelAsync();
+
+                UiEnabled = true;
+            }
+            catch (Exception e)
+            {
+                _logger.LogError(e.Message, "Error canceling the token");
+                _logger.LogInformation("Ignora questo errore");
+            }
+        }
+        
     }
 }

imagecatalog/MainForm.Designer.cs

@@ -41,11 +41,11 @@ namespace ImageCatalog
             ProgressBar1 = new ProgressBar();
             CheckBox22 = new CheckBox();
             Label43 = new Label();
+            bindingSource1 = new BindingSource(components);
+            dataModelBindingSource = new BindingSource(components);
             TabControl1 = new TabControl();
             TabPage5 = new TabPage();
             button1 = new Button();
-            bindingSource1 = new BindingSource(components);
-            dataModelBindingSource = new BindingSource(components);
             btnTest = new Button();
             GroupBox11 = new GroupBox();
             Panel3 = new Panel();
@@ -181,10 +181,10 @@ namespace ImageCatalog
             _btnCreaCatalogoAsync = new Button();
             timer1 = new System.Windows.Forms.Timer(components);
             dataModelBindingSource1 = new BindingSource(components);
-            TabControl1.SuspendLayout();
-            TabPage5.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)bindingSource1).BeginInit();
             ((System.ComponentModel.ISupportInitialize)dataModelBindingSource).BeginInit();
+            TabControl1.SuspendLayout();
+            TabPage5.SuspendLayout();
             GroupBox11.SuspendLayout();
             Panel3.SuspendLayout();
             GroupBox3.SuspendLayout();
@@ -240,6 +240,14 @@ namespace ImageCatalog
             Label43.Text = "000";
             Label43.TextAlign = ContentAlignment.MiddleLeft;
             // 
+            // bindingSource1
+            // 
+            bindingSource1.DataSource = dataModelBindingSource;
+            // 
+            // dataModelBindingSource
+            // 
+            dataModelBindingSource.DataSource = typeof(ImageCatalog_2.DataModel);
+            // 
             // TabControl1
             // 
             TabControl1.Controls.Add(TabPage5);
@@ -283,14 +291,6 @@ namespace ImageCatalog
             button1.Text = "Test Async";
             button1.UseVisualStyleBackColor = true;
             // 
-            // bindingSource1
-            // 
-            bindingSource1.DataSource = dataModelBindingSource;
-            // 
-            // dataModelBindingSource
-            // 
-            dataModelBindingSource.DataSource = typeof(ImageCatalog_2.DataModel);
-            // 
             // btnTest
             // 
             btnTest.DataBindings.Add(new Binding("Command", bindingSource1, "TestCommand", true));
@@ -1698,14 +1698,14 @@ namespace ImageCatalog
             // _Button7
             // 
             _Button7.DataBindings.Add(new Binding("Enabled", bindingSource1, "UiDisabled", true, DataSourceUpdateMode.OnPropertyChanged));
-            _Button7.Font = new Font("Microsoft Sans Serif", 14.25F, FontStyle.Regular, GraphicsUnit.Point, 0);
+            _Button7.DataBindings.Add(new Binding("Command", bindingSource1, "AsyncCancelOperationCommand", true));
+            _Button7.Font = new Font("Microsoft Sans Serif", 14.25F, FontStyle.Bold, GraphicsUnit.Point, 0);
             _Button7.Location = new Point(1168, 296);
             _Button7.Margin = new Padding(6, 8, 6, 8);
             _Button7.Name = "_Button7";
             _Button7.Size = new Size(416, 99);
             _Button7.TabIndex = 61;
-            _Button7.Text = "stop creazione";
+            _Button7.Text = "STOP";
-            _Button7.Click += Button7_Click;
             // 
             // _Button5
             // 
@@ -1826,10 +1826,10 @@ namespace ImageCatalog
             Name = "MainForm";
             Text = "Image Catalog";
             Load += Form1_Load;
-            TabControl1.ResumeLayout(false);
-            TabPage5.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)bindingSource1).EndInit();
             ((System.ComponentModel.ISupportInitialize)dataModelBindingSource).EndInit();
+            TabControl1.ResumeLayout(false);
+            TabPage5.ResumeLayout(false);
             GroupBox11.ResumeLayout(false);
             GroupBox11.PerformLayout();
             Panel3.ResumeLayout(false);
@@ -2218,30 +2218,6 @@ namespace ImageCatalog
 
         private Button _Button7;   
 
-        internal Button Button7
-        {
-            [MethodImpl(MethodImplOptions.Synchronized)]
-            get
-            {
-                return _Button7;
-            }
-
-            [MethodImpl(MethodImplOptions.Synchronized)]
-            set
-            {
-                if (_Button7 != null)
-                {
-                    _Button7.Click -= Button7_Click;
-                }
-
-                _Button7 = value;
-                if (_Button7 != null)
-                {
-                    _Button7.Click += Button7_Click;
-                }
-            }
-        }
-
         private Button _Button5;
 
         internal Button Button5

imagecatalog/MainForm.cs

@@ -81,7 +81,7 @@ public partial class MainForm
     {
         if (InvokeRequired)
         {
-            SetTextCallback d = new SetTextCallback(SetText);
+            var d = new SetTextCallback(SetText);
             this.Invoke(d, new object[] { target, text });
         }
         else
@@ -114,8 +114,6 @@ public partial class MainForm
         SetText(lblFotoTotaliNum, args.Item2.ToString());
     }
     
-    /* TODO ERROR: Skipped DefineDirectiveTrivia */
-    private bool StopAttivo;
     private bool WaterSelectColor = false;
 
     // Private ContaFotoCuori As Integer
@@ -758,22 +756,20 @@ public partial class MainForm
         return NewSize;
     }
 
-    private void Button7_Click(object sender, EventArgs e)
+    // private void Button7_Click(object sender, EventArgs e)
-    {
+    // {
-        StopAttivo = true;
+    //     try
-        //MyPool.StopThreadPool();
+    //     {
-        try
+    //         Model.MainToken?.Cancel();
-        {
+    //     }
-            _mainToken?.Cancel();
+    //     catch (Exception exception)
-        }
+    //     {
-        catch (Exception exception)
+    //         _logger.LogError(exception.Message);
-        {
+    //         _logger.LogInformation("Ignora questo errore");
-            _logger.LogError(exception.Message);
+    //     }
-            _logger.LogInformation("Ignora questo errore");
+    //
-        }
+    //     unlockUI();
-
+    // }
-        unlockUI();
-    }
 
     private void Button4_Click(object sender, EventArgs e)
     {
@@ -894,7 +890,7 @@ public partial class MainForm
     {
     }
 
-    private CancellationTokenSource? _mainToken;
+    //private CancellationTokenSource? _mainToken;
 
     private async void Button1_Click(object sender, EventArgs e)
     {
@@ -902,16 +898,16 @@ public partial class MainForm
         lockUI();
         // Dim timeStart As Date
         // Dim timeStop As Date
-        _mainToken?.Dispose();
+        Model.MainToken?.Dispose();
-        _mainToken = new CancellationTokenSource();
+        Model.MainToken = new CancellationTokenSource();
-        var token = _mainToken.Token;
+        var token = Model.MainToken.Token;
 
         // timeStart = TimeOfDay
         FixPaths();
         Label10.Text = "Elaborazione in corso...";
         lblFotoTotaliNum.Text = "0";
         Label18.Text = "0";
-        Model.SpeedCounter = "-s";
+        Model.SpeedCounter = "-f/m";
         SetPicSettings(Model.SourcePath, Model.DestinationPath);
         ProgressBar1.Minimum = 0;
         ProgressBar1.Step = 1;
@@ -955,8 +951,8 @@ public partial class MainForm
         }
         finally
         {
-            _mainToken?.Dispose();
+            Model.MainToken?.Dispose();
-            _mainToken = null;
+            Model.MainToken = null;
 
             timer1.Tick -= Timer1OnTick;
         }

imagecatalog/MainForm.resx

@@ -120,6 +120,12 @@
   <metadata name="bindingSource1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>586, 17</value>
   </metadata>
+  <metadata name="bindingSource1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>586, 17</value>
+  </metadata>
+  <metadata name="dataModelBindingSource.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>120, 17</value>
+  </metadata>
   <metadata name="dataModelBindingSource.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>120, 17</value>
   </metadata>