Cleanup

src/Calculator/App.xaml.cs

@@ -6,8 +6,6 @@
 // Declaration of the App class.
 //
 
-using CalculatorApp.ViewModel.Common;
-using CalculatorApp.ViewModel.Common.Automation;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;

src/Calculator/Common/AppLifecycleLogger.cs

@@ -2,8 +2,6 @@
 // Licensed under the MIT License.
 
 using System;
-
-using CalculatorApp.ViewModel.Common;
 using Windows.ApplicationModel;
 using Windows.ApplicationModel.Core;
 using Windows.Foundation.Diagnostics;

src/Calculator/Common/KeyboardShortcutManager.cs

@@ -1,14 +1,10 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
 using System;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Linq;
-using Windows.Foundation.Collections;
 using Windows.UI.Core;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
@@ -578,7 +574,7 @@ namespace CalculatorApp
             private static bool CanNavigateModeByShortcut(MUXC.NavigationView navView, object nvi
                 , ApplicationViewModel vm, ViewMode toMode)
             {
-                if(nvi != null && nvi is NavCategory navCategory)
+                if (nvi != null && nvi is NavCategory navCategory)
                 {
                     return navCategory.IsEnabled
                         && navView.Visibility == Visibility.Visible

src/Calculator/Controls/CalculationResult.cs

@@ -2,26 +2,11 @@
 // Licensed under the MIT License.
 
 using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
 using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Controls;
-using CalculatorApp.ViewModel.Common;
-
-using Windows.Devices.Input;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
-using Windows.UI.Xaml.Automation;
 using Windows.UI.Xaml.Automation.Peers;
-using System.Reflection;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Input;
 
 namespace CalculatorApp
 {

src/Calculator/Controls/CalculationResultAutomationPeer.cs

@@ -1,10 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation.Peers;
 

src/Calculator/Controls/CalculatorButton.cs

@@ -1,19 +1,10 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Controls;
-using CalculatorApp.ViewModel.Common;
 using Windows.System;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Input;
 using Windows.UI.Xaml.Data;
-using Windows.Foundation.Collections;
+using Windows.UI.Xaml.Input;
-using Windows.Storage.Pickers;
 
 namespace CalculatorApp
 {

src/Calculator/Controls/EquationTextBox.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel.Common;
-using System;
 using Windows.UI.Text;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation;

src/Calculator/Controls/FlipButtons.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel.Common;
 using Windows.System;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Input;

src/Calculator/Controls/MathRichEditBox.cs

@@ -3,12 +3,12 @@
 
 using System;
 using System.Runtime.InteropServices;
+using Windows.ApplicationModel;
 using Windows.System;
 using Windows.UI.Core;
 using Windows.UI.Text;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Input;
-using Windows.ApplicationModel;
 
 namespace CalculatorApp
 {
@@ -86,14 +86,14 @@ namespace CalculatorApp
             {
                 string packageName = Package.Current.Id.Name;
 
-                if(packageName == "Microsoft.WindowsCalculator.Dev")
+                if (packageName == "Microsoft.WindowsCalculator.Dev")
                 {
                     LimitedAccessFeatures.TryUnlockFeature(
                                 "com.microsoft.windows.richeditmath",
                                 "BeDD/jxKhz/yfVNA11t4uA==", // Microsoft.WindowsCalculator.Dev
                                 "8wekyb3d8bbwe has registered their use of com.microsoft.windows.richeditmath with Microsoft and agrees to the terms of use.");
                 }
-                else if(packageName == "Microsoft.WindowsCalculator")
+                else if (packageName == "Microsoft.WindowsCalculator")
                 {
                     LimitedAccessFeatures.TryUnlockFeature(
                                 "com.microsoft.windows.richeditmath",

src/Calculator/Controls/OperatorPanelButton.cs

@@ -1,19 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-
-using Windows.Foundation;
-using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Media;
-using CalculatorApp;
-using CalculatorApp.Common;
-using CalculatorApp.Controls;
 
 namespace CalculatorApp
 {

src/Calculator/Controls/OperatorPanelListView.cs

@@ -1,18 +1,10 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Controls;
-
-using Windows.Foundation;
 using Windows.Devices.Input;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Input;
 using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Input;
 
 namespace CalculatorApp
 {

src/Calculator/Controls/OverflowTextBlock.cs

@@ -1,27 +1,11 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Common;
-using CalculatorApp.Controls;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
-using Windows.Devices.Input;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation;
 using Windows.UI.Xaml.Automation.Peers;
 using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
-using Windows.ApplicationModel.Store;
 
 namespace CalculatorApp
 {

src/Calculator/Controls/OverflowTextBlockAutomationPeer.cs

@@ -1,12 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
 using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
 using Windows.UI.Xaml.Automation.Peers;
-using Windows.Foundation.Collections;
 
 namespace CalculatorApp
 {

src/Calculator/Controls/RadixButton.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel.Common;
-
 namespace CalculatorApp
 {
     namespace Controls

src/Calculator/Controls/SupplementaryItemsControl.cs

@@ -1,22 +1,11 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
 using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Controls;
-using CalculatorApp.ViewModel;
-using Windows.System;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Automation;
 using Windows.UI.Xaml.Automation.Peers;
-
+using Windows.UI.Xaml.Controls;
-using Windows.Foundation.Collections;
 
 namespace CalculatorApp
 {

src/Calculator/Converters/ExpressionItemTemplateSelector.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel.Common;
 using System;
 using Windows.UI.Xaml;
 

src/Calculator/Converters/RadixToStringConverter.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel.Common;
 using System;
 
 namespace CalculatorApp

src/Calculator/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

src/Calculator/Selectors/KeyGraphFeaturesTemplateSelector.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel;
-
 using Windows.UI.Xaml;
 
 namespace CalculatorApp

src/Calculator/Selectors/NavViewMenuItemTemplateSelector.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using CalculatorApp.ViewModel.Common;
 using System;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;

src/Calculator/Utils/DelegateCommandUtils.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT License.
 
 using System;
-using CalculatorApp.ViewModel.Common;
 
 namespace CalculatorApp.Utils
 {
@@ -15,7 +14,7 @@ namespace CalculatorApp.Utils
             return new DelegateCommand(param =>
             {
                 TTarget thatTarget = weakTarget.Target as TTarget;
-                if(null != thatTarget)
+                if (null != thatTarget)
                 {
                     handler.Invoke(thatTarget, param);
                 }

src/Calculator/Utils/ThemeHelper.cs

@@ -4,8 +4,6 @@
 using System;
 using System.Reflection;
 using Windows.Storage;
-using Windows.UI;
-using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 
@@ -72,12 +70,12 @@ namespace CalculatorApp.Utils
         {
             Frame rootFrame = Window.Current.Content as Frame;
             long token = rootFrame.RegisterPropertyChangedCallback(Frame.RequestedThemeProperty, callback);
-            return new ThemeChangedCallbackToken{ RootFrame = new WeakReference(rootFrame), Token = token };
+            return new ThemeChangedCallbackToken { RootFrame = new WeakReference(rootFrame), Token = token };
         }
 
         public static void UnregisterAppThemeChangedCallback(ThemeChangedCallbackToken callbackToken)
         {
-            if(callbackToken.RootFrame.IsAlive)
+            if (callbackToken.RootFrame.IsAlive)
             {
                 Frame rootFrame = callbackToken.RootFrame.Target as Frame;
                 rootFrame.UnregisterPropertyChangedCallback(Frame.RequestedThemeProperty, callbackToken.Token);

src/Calculator/Views/Calculator.xaml.cs

@@ -1,33 +1,17 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Converters;
-using CalculatorApp.Controls;
 using CalculatorApp.Utils;
-using CalculatorApp.ViewModel;
+using System;
-using CalculatorApp.ViewModel.Common;
-
 using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.Globalization.NumberFormatting;
-using Windows.System;
 using Windows.UI.Core;
+using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation;
-using Windows.UI.Xaml.Automation.Peers;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
-using Windows.System.Threading;
-using Windows.UI.ViewManagement;
 
 namespace CalculatorApp
 {
@@ -247,7 +231,8 @@ namespace CalculatorApp
             // Delay load things later when we get a chance.
             WeakReference weakThis = new WeakReference(this);
             _ = this.Dispatcher.RunAsync(
-                CoreDispatcherPriority.Normal, new DispatchedHandler(() => {
+                CoreDispatcherPriority.Normal, new DispatchedHandler(() =>
+                {
                     if (TraceLogger.GetInstance().IsWindowIdInLog(ApplicationView.GetApplicationViewIdForWindow(CoreWindow.GetForCurrentThread())))
                     {
                         var refThis = weakThis.Target as Calculator;

src/Calculator/Views/CalculatorProgrammerBitFlipPanel.xaml.cs

@@ -8,20 +8,10 @@
 
 // The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
 using CalculatorApp.Controls;
-using CalculatorApp.ViewModel;
+using System.Diagnostics;
-using CalculatorApp.ViewModel.Common;
-
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
 
 
 namespace CalculatorApp

src/Calculator/Views/CalculatorProgrammerDisplayPanel.xaml.cs

@@ -1,9 +1,8 @@
-using CalculatorApp.ViewModel.Common;
+using CalculatorApp.Utils;
 using System.Diagnostics;
 using System.Windows.Input;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
-using CalculatorApp.Utils;
 
 // The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
 

src/Calculator/Views/CalculatorProgrammerOperators.xaml.cs

@@ -1,29 +1,9 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
 using CalculatorApp.Controls;
-using CalculatorApp.ViewModel;
+using System.Diagnostics;
-using CalculatorApp.ViewModel.Common;
-using Windows.Devices.Input;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
-using Windows.UI.Xaml.Automation;
-using Windows.UI.Xaml.Automation.Peers;
-using Windows.UI.ViewManagement;
-using Windows.UI.Core;
 
 namespace CalculatorApp
 {

src/Calculator/Views/CalculatorProgrammerRadixOperators.xaml.cs

@@ -1,21 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-
-using CalculatorApp;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using CalculatorApp.Common;
-using Windows.UI.Xaml.Media;
 
 namespace CalculatorApp
 {
@@ -39,7 +26,7 @@ namespace CalculatorApp
             get => m_isErrorVisualState;
             set
             {
-                if(m_isErrorVisualState != value)
+                if (m_isErrorVisualState != value)
                 {
                     m_isErrorVisualState = value;
                     string newState = m_isErrorVisualState ? "ErrorLayout" : "NoErrorLayout";

src/Calculator/Views/CalculatorScientificAngleButtons.xaml.cs

@@ -6,26 +6,8 @@
 // Declaration of the CalculatorScientificAngleButtons class
 //
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
 using CalculatorApp.Utils;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
-using Windows.UI.ViewManagement;
-using Windows.UI.Core;
 
 namespace CalculatorApp
 {
@@ -50,7 +32,7 @@ namespace CalculatorApp
                 if (donotuse_ButtonPressed == null)
                 {
                     donotuse_ButtonPressed = DelegateCommandUtils.MakeDelegateCommand(this,
-                        (that, param)=>
+                        (that, param) =>
                         {
                             that.OnAngleButtonPressed(param);
                         });
@@ -65,7 +47,7 @@ namespace CalculatorApp
             get => m_isErrorVisualState;
             set
             {
-                if(m_isErrorVisualState != value)
+                if (m_isErrorVisualState != value)
                 {
                     m_isErrorVisualState = value;
                     string newState = m_isErrorVisualState ? "ErrorFlyout" : "NoErrorFlyout";

src/Calculator/Views/CalculatorScientificOperators.xaml.cs

@@ -6,26 +6,8 @@
 // Declaration of the CalculatorScientificOperators class
 //
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
 using CalculatorApp.Common;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
-using Windows.UI.Core;
-using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
 
 namespace CalculatorApp
 {

src/Calculator/Views/CalculatorStandardOperators.xaml.cs

@@ -6,21 +6,7 @@
 // Declaration of the CalculatorStandardOperators class
 //
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
 
 namespace CalculatorApp
 {

src/Calculator/Views/DateCalculator.xaml.cs

@@ -9,29 +9,12 @@
 // The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
 
 using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.Globalization;
 using Windows.Globalization.DateTimeFormatting;
-using Windows.System.UserProfile;
-using Windows.UI.Core;
-using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation;
 using Windows.UI.Xaml.Automation.Peers;
 using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
-using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
 
 namespace CalculatorApp
 {

src/Calculator/Views/GraphingCalculator/EquationInputArea.xaml.cs

@@ -1,29 +1,20 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
+using Calculator.Utils;
+using CalculatorApp.Controls;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.Common;
-using CalculatorApp.ViewModel.Common;
-using CalculatorApp.ViewModel.Common.Automation;
-using GraphControl;
-using CalculatorApp.ViewModel;
-using CalculatorApp.Controls;
-using Windows.Foundation;
 using Windows.System;
 using Windows.UI;
 using Windows.UI.Core;
 using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Media;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
 using Windows.UI.Xaml.Input;
-using Calculator.Utils;
+using Windows.UI.Xaml.Media;
 
 namespace CalculatorApp
 {
@@ -355,7 +346,8 @@ namespace CalculatorApp
         {
 
             WeakReference weakThis = new WeakReference(this);
-            _ = this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() => {
+            _ = this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() =>
+            {
                 var refThis = weakThis.Target as EquationInputArea;
                 if (refThis != null && refThis.m_isHighContrast == refThis.m_accessibilitySettings.HighContrast)
                 {
@@ -594,7 +586,8 @@ namespace CalculatorApp
             {
                 TimeSpan timeSpan = new TimeSpan(10000000); // 1 tick = 100 nanoseconds, and 10000000 ticks = 1 second.
                 DispatcherTimerDelayer delayer = new DispatcherTimerDelayer(timeSpan);
-                delayer.Action += new EventHandler<object>((object s, object arg) => {
+                delayer.Action += new EventHandler<object>((object s, object arg) =>
+                {
                     CalculatorApp.ViewModel.Common.TraceLogger.GetInstance().LogVariableChanged("Slider", name);
                     variableSliders.Remove(name);
                 });

src/Calculator/Views/GraphingCalculator/EquationStylePanelControl.xaml.cs

@@ -1,8 +1,4 @@
-using CalculatorApp.ViewModel.Common;
-using GraphControl;
-using System;
 using System.Collections.Generic;
-using System.Linq;
 using Windows.UI;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;

src/Calculator/Views/GraphingCalculator/GraphingCalculator.xaml.cs

@@ -1,38 +1,23 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
 using CalculatorApp.Common;
-using CalculatorApp.ViewModel.Common;
-using CalculatorApp.ViewModel.Common.Automation;
 using CalculatorApp.Controls;
 using CalculatorApp.Utils;
-using CalculatorApp.ViewModel;
+using System;
-using GraphControl;
 using Windows.ApplicationModel.DataTransfer;
 using Windows.ApplicationModel.Resources;
 using Windows.Foundation;
 using Windows.Foundation.Collections;
 using Windows.Storage;
-using Windows.Storage.Streams;
 using Windows.System;
 using Windows.UI.Core;
-using Windows.UI.Input;
 using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Automation;
 using Windows.UI.Xaml.Automation.Peers;
-using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
 using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Media.Imaging;
-using Windows.UI.Popups;
 
 namespace CalculatorApp
 {
@@ -755,7 +740,8 @@ namespace CalculatorApp
         private void OnColorValuesChanged(UISettings sender, object args)
         {
             WeakReference weakThis = new WeakReference(this);
-            _ = this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() => {
+            _ = this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() =>
+            {
                 GraphingCalculator refThis = weakThis.Target as GraphingCalculator;
                 if (refThis != null && IsMatchAppTheme)
                 {

src/Calculator/Views/GraphingCalculator/GraphingNumPad.xaml.cs

@@ -3,20 +3,10 @@
 
 using System;
 using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.ViewModel.Common;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
 
 namespace CalculatorApp
 {

src/Calculator/Views/GraphingCalculator/GraphingSettings.xaml.cs

@@ -3,28 +3,12 @@
 // Declaration of the MyUserControl class
 //
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
 
 //using Graphing;
-using GraphControl;
-using CalculatorApp;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.Storage;
 using Windows.System;
 using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using Windows.UI.Xaml.Controls.Primitives;
-using Windows.UI.Xaml.Data;
 using Windows.UI.Xaml.Input;
-using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Navigation;
 
 namespace CalculatorApp
 {

src/Calculator/Views/GraphingCalculator/KeyGraphFeaturesPanel.xaml.cs

@@ -1,17 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using System.Diagnostics;
-using CalculatorApp;
-using CalculatorApp.ViewModel;
-
-using Windows.UI;
-using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
 using System.ComponentModel;
+using Windows.UI.Xaml;
 
 namespace CalculatorApp
 {

src/Calculator/Views/HistoryList.xaml.cs

@@ -1,6 +1,3 @@
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-using System;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using MUXC = Microsoft.UI.Xaml.Controls;

src/Calculator/Views/MainPage.xaml.cs

@@ -1,8 +1,5 @@
 using CalculatorApp.Common;
 using CalculatorApp.Converters;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-using CalculatorApp.ViewModel.Common.Automation;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -49,9 +46,9 @@ namespace CalculatorApp
             m_model.PropertyChanged += OnAppPropertyChanged;
             m_accessibilitySettings = new AccessibilitySettings();
 
-            if(Utilities.GetIntegratedDisplaySize(out var sizeInInches))
+            if (Utilities.GetIntegratedDisplaySize(out var sizeInInches))
             {
-                if(sizeInInches < 7.0) // If device's display size (diagonal length) is less than 7 inches then keep the calc always in Portrait mode only
+                if (sizeInInches < 7.0) // If device's display size (diagonal length) is less than 7 inches then keep the calc always in Portrait mode only
                 {
                     DisplayInformation.AutoRotationPreferences = DisplayOrientations.Portrait | DisplayOrientations.PortraitFlipped;
                 }
@@ -150,7 +147,7 @@ namespace CalculatorApp
             {
                 var graphCategory = (NavCategory)NavViewCategoriesSource.Find(x =>
                 {
-                    if(x is NavCategory category)
+                    if (x is NavCategory category)
                     {
                         return category.ViewMode == ViewMode.Graphing;
                     }
@@ -166,10 +163,10 @@ namespace CalculatorApp
         private List<object> ExpandNavViewCategoryGroups(IEnumerable<NavCategoryGroup> groups)
         {
             var result = new List<object>();
-            foreach(var group in groups)
+            foreach (var group in groups)
             {
                 result.Add(group);
-                foreach(var category in group.Categories)
+                foreach (var category in group.Categories)
                 {
                     result.Add(category);
                 }
@@ -179,7 +176,7 @@ namespace CalculatorApp
 
         private void UpdatePopupSize(Windows.UI.Core.WindowSizeChangedEventArgs e)
         {
-            if(PopupContent != null)
+            if (PopupContent != null)
             {
                 PopupContent.Width = e.Size.Width;
                 PopupContent.Height = e.Size.Height;
@@ -359,7 +356,7 @@ namespace CalculatorApp
 
         private void OnNavSelectionChanged(object sender, MUXC.NavigationViewSelectionChangedEventArgs e)
         {
-            if(e.IsSettingsSelected)
+            if (e.IsSettingsSelected)
             {
                 ShowSettingsPopup();
                 return;

src/Calculator/Views/Memory.xaml.cs

@@ -1,6 +1,3 @@
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
-using System;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 

src/Calculator/Views/MemoryListItem.xaml.cs

@@ -1,5 +1,4 @@
-using System;
+using Windows.UI.Xaml;
-using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 
 // The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236

src/Calculator/Views/NumberPad.xaml.cs

@@ -1,4 +1,3 @@
-using CalculatorApp.ViewModel.Common;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 

src/Calculator/Views/Settings.xaml.cs

@@ -1,21 +1,14 @@
 using CalculatorApp.Utils;
-using CalculatorApp.ViewModel.Common;
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
-using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
 using Windows.ApplicationModel;
-using Windows.Foundation;
-using Windows.Foundation.Collections;
 using Windows.System;
-using Windows.UI.Xaml;
-using Windows.UI.Xaml.Controls;
-using CalculatorApp.ViewModel.Common.Automation;
 using Windows.UI.Core;
+using Windows.UI.Xaml;
 using Windows.UI.Xaml.Automation.Peers;
 using Windows.UI.Xaml.Automation.Provider;
+using Windows.UI.Xaml.Controls;
 
 // The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
 

src/Calculator/Views/StateTriggers/ControlSizeTrigger.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using System;
-
 using Windows.Foundation;
 using Windows.UI.Xaml;
 

src/Calculator/Views/SupplementaryResults.xaml.cs

@@ -1,5 +1,4 @@
-using CalculatorApp.ViewModel;
+using System;
-using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using Windows.UI.Xaml;

src/Calculator/Views/TitleBar.xaml.cs

@@ -1,4 +1,3 @@
-using CalculatorApp.ViewModel.Common;
 using Windows.ApplicationModel.Core;
 using Windows.System.Profile;
 using Windows.UI.Core;
@@ -89,7 +88,7 @@ namespace CalculatorApp
 
         private void RootFrame_RequestedThemeChanged(DependencyObject sender, DependencyProperty dp)
         {
-            if(Frame.RequestedThemeProperty == dp)
+            if (Frame.RequestedThemeProperty == dp)
             {
                 _ = Dispatcher.RunAsync(CoreDispatcherPriority.Normal, new DispatchedHandler(() => { SetTitleBarControlColors(); }));
             }
@@ -280,7 +279,8 @@ namespace CalculatorApp
         public static readonly DependencyProperty BackButtonSpaceReservedProperty =
             DependencyProperty.Register(
                 nameof(BackButtonSpaceReserved), typeof(bool), typeof(TitleBar),
-                new PropertyMetadata(false, new PropertyChangedCallback((sender, args)=> {
+                new PropertyMetadata(false, new PropertyChangedCallback((sender, args) =>
+                {
                     var self = sender as TitleBar;
                     VisualStateManager.GoToState(
                         self, (bool)args.NewValue ? self.BackButtonVisible.Name : self.BackButtonCollapsed.Name, true);

src/Calculator/Views/UnitConverter.xaml.cs

@@ -1,7 +1,5 @@
 using CalculatorApp.Common;
 using CalculatorApp.Controls;
-using CalculatorApp.ViewModel;
-using CalculatorApp.ViewModel.Common;
 using System;
 using System.ComponentModel;
 using System.Diagnostics;

src/Calculator/WindowFrameService.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT License.
 
 using CalculatorApp.Common;
-using CalculatorApp.ViewModel.Common;
 using System;
 using System.Collections.Generic;
 using System.Data;

src/CalculatorUITestFramework/CalculatorResults.cs

@@ -3,7 +3,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium.Appium.Windows;
 using System;
-using OpenQA.Selenium.Interactions;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/HistoryItem.cs

@@ -2,9 +2,6 @@
 // Licensed under the MIT License.
 
 using OpenQA.Selenium.Appium;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/HistoryPanel.cs

@@ -2,11 +2,9 @@
 // Licensed under the MIT License.
 
 using OpenQA.Selenium;
-using OpenQA.Selenium.Appium;
 using OpenQA.Selenium.Appium.Windows;
 using OpenQA.Selenium.Interactions;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.Drawing;
 using System.Linq;
 

src/CalculatorUITestFramework/MemoryItem.cs

@@ -2,9 +2,6 @@
 // Licensed under the MIT License.
 
 using OpenQA.Selenium.Appium;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/MemoryPanel.cs

@@ -3,11 +3,9 @@
 
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium;
-using OpenQA.Selenium.Appium;
 using OpenQA.Selenium.Appium.Windows;
 using OpenQA.Selenium.Interactions;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.Drawing;
 using System.Linq;
 

src/CalculatorUITestFramework/ProgrammerCalculatorPage.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium.Appium.Windows;
 
 namespace CalculatorUITestFramework

src/CalculatorUITestFramework/ProgrammerOperatorsPanel.cs

@@ -3,11 +3,6 @@
 
 using OpenQA.Selenium;
 using OpenQA.Selenium.Appium.Windows;
-using System.Collections.Generic;
-using System.Diagnostics.Contracts;
-using System.Runtime.InteropServices.ComTypes;
-using System;
-using System.Diagnostics;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/ScientificCalculatorPage.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium.Appium.Windows;
 
 namespace CalculatorUITestFramework

src/CalculatorUITestFramework/ScientificOperatorsPanel.cs

@@ -3,11 +3,7 @@
 
 using OpenQA.Selenium;
 using OpenQA.Selenium.Appium.Windows;
-using System.Collections.Generic;
-using System.Diagnostics.Contracts;
-using System.Runtime.InteropServices.ComTypes;
 using System;
-using System.Diagnostics;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/UnitConverterOperatorsPanel.cs

@@ -1,9 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 using OpenQA.Selenium.Appium.Windows;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/UnitConverterPage.cs

@@ -1,9 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 using OpenQA.Selenium.Appium.Windows;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/UnitConverterResults.cs

@@ -2,8 +2,6 @@
 // Licensed under the MIT License.
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium.Appium.Windows;
-using System;
-using OpenQA.Selenium.Interactions;
 using System.Text.RegularExpressions;
 
 namespace CalculatorUITestFramework

src/CalculatorUITestFramework/WinAppDriver.cs

@@ -5,7 +5,6 @@ using Microsoft.VisualStudio.TestTools.UnitTesting;
 using OpenQA.Selenium.Appium;
 using OpenQA.Selenium.Appium.Windows;
 using System;
-using System.Diagnostics;
 
 namespace CalculatorUITestFramework
 {

src/CalculatorUITestFramework/WindowsElementExtensions.cs

@@ -4,7 +4,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Microsoft.VisualStudio.TestTools.UnitTesting.Logging;
 using OpenQA.Selenium.Appium.Windows;
-using System;
 using System.Diagnostics;
 using System.Threading;
 

src/CalculatorUITests/CurrencyConverterFunctionalTests.cs

@@ -2,8 +2,6 @@
 // Licensed under the MIT License.
 using CalculatorUITestFramework;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using OpenQA.Selenium;
-using System;
 
 namespace CalculatorUITests
 {

src/CalculatorUITests/ScientificModeFunctionalTests.cs

@@ -3,10 +3,6 @@
 
 using CalculatorUITestFramework;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using OpenQA.Selenium;
-using OpenQA.Selenium.Appium.Windows;
-using System;
-using System.Collections.Generic;
 
 namespace CalculatorUITests
 {