support for .NET framework 3.5

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Net35/HandyControlDemo_Net35/ViewModel/ComboBoxDemoViewModel.cs

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+using System.Collections.Generic;
+using GalaSoft.MvvmLight;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class ComboBoxDemoViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        private List<string> _dataList;
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        public List<string> DataList
+        {
+            get => _dataList;
+            set => Set(nameof(DataList), ref _dataList, value);
+        }
+
+        public ComboBoxDemoViewModel(DataService dataService) => DataList = dataService.GetComboBoxDemoDataList();
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/ContributorsViewModel.cs

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+using System.Collections.Generic;
+using System.Threading;
+using GalaSoft.MvvmLight;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class ContributorsViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        private List<ContributorModel> _dataList;
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        public List<ContributorModel> DataList
+        {
+            get => _dataList;
+            set => Set(nameof(DataList), ref _dataList, value);
+        }
+
+        public ContributorsViewModel(DataService dataService)
+        {
+            ThreadPool.QueueUserWorkItem(state =>
+            {
+                DataList = dataService.GetContributorDataList();
+            });
+        }
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/GrowlDemoViewModel.cs

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+using GalaSoft.MvvmLight.Command;
+using HandyControl.Controls;
+using HandyControl.Data;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class GrowlDemoViewModel
+    {
+        private RelayCommand _infoCmd;
+
+        public RelayCommand InfoCmd =>
+            _infoCmd ?? (_infoCmd = new RelayCommand(() => Growl.Info(Properties.Langs.Lang.GrowlInfo)));
+
+        private RelayCommand _successCmd;
+
+        public RelayCommand SuccessCmd =>
+            _successCmd ?? (_successCmd = new RelayCommand(() => Growl.Success(Properties.Langs.Lang.GrowlSuccess)));
+
+        private RelayCommand _warningCmd;
+
+        public RelayCommand WarningCmd =>
+            _warningCmd ?? (_warningCmd = new RelayCommand(() =>
+                Growl.Warning(new GrowlInfo
+                {
+                    Message = Properties.Langs.Lang.GrowlWarning,
+                    CancelStr = Properties.Langs.Lang.Ignore,
+                    ActionBeforeClose = isConfirmed =>
+                    {
+                        Growl.Info(isConfirmed.ToString());
+                        return true;
+                    }
+                })));
+
+        private RelayCommand _errorCmd;
+
+        public RelayCommand ErrorCmd =>
+            _errorCmd ?? (_errorCmd = new RelayCommand(() => Growl.Error(Properties.Langs.Lang.GrowlError)));
+
+        private RelayCommand _askCmd;
+
+        public RelayCommand AskCmd =>
+            _askCmd ?? (_askCmd = new RelayCommand(() =>
+                Growl.Ask(Properties.Langs.Lang.GrowlAsk, isConfirmed =>
+                {
+                    Growl.Info(isConfirmed.ToString());
+                    return true;
+                })));
+
+        private RelayCommand _fatalCmd;
+
+        public RelayCommand FatalCmd =>
+            _fatalCmd ?? (_fatalCmd = new RelayCommand(() => Growl.Fatal(new GrowlInfo
+            {
+                Message = Properties.Langs.Lang.GrowlFatal,
+                ShowDateTime = false
+            })));
+
+        private RelayCommand _clearCmd;
+
+        public RelayCommand ClearCmd => _clearCmd ?? (_clearCmd = new RelayCommand(Growl.Clear));
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/ImageBrowserDemoViewModel.cs

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+using System;
+using GalaSoft.MvvmLight.Command;
+using HandyControl.Controls;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class ImageBrowserDemoViewModel
+    {
+        private RelayCommand _openImgCmd;
+
+        public RelayCommand OpenImgCmd =>
+            _openImgCmd ?? (_openImgCmd = new RelayCommand(() =>
+                new ImageBrowser(new Uri("pack://application:,,,/Resources/Img/1.jpg")).Show()));
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/MainViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Windows.Controls;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Messaging;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+using HandyControlDemo.Tools;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class MainViewModel : ViewModelBase
+    {
+        #region 字段
+
+        /// <summary>
+        ///     内容标题
+        /// </summary>
+        private object _contentTitle;
+
+        /// <summary>
+        ///     子内容
+        /// </summary>
+        private object _subContent;
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        private List<DemoDataModel> _dataList;
+
+        /// <summary>
+        ///     当前选中的列表项
+        /// </summary>
+        private ListBoxItem _listBoxItemCurrent;
+
+        #endregion
+
+        public MainViewModel(DataService dataService)
+        {
+            Messenger.Default.Register<object>(this, MessageToken.LoadShowContent, obj =>
+            {
+                if (SubContent is IDisposable disposable)
+                {
+                    disposable.Dispose();
+                }
+                SubContent = obj;
+            });
+            Messenger.Default.Register<object>(this, MessageToken.ClearLeftSelected, obj =>
+            {
+                if (_listBoxItemCurrent == null) return;
+                _listBoxItemCurrent.IsSelected = false;
+                _listBoxItemCurrent = null;
+            });
+            DataList = dataService.GetDemoDataList();
+        }
+
+        #region 属性
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        public List<DemoDataModel> DataList
+        {
+            get => _dataList;
+            set => Set(nameof(DataList), ref _dataList, value);
+        }
+
+        /// <summary>
+        ///     子内容
+        /// </summary>
+        public object SubContent
+        {
+            get => _subContent;
+            set => Set(nameof(SubContent), ref _subContent, value);
+        }
+
+        /// <summary>
+        ///     内容标题
+        /// </summary>
+        public object ContentTitle
+        {
+            get => _contentTitle;
+            set => Set(nameof(ContentTitle), ref _contentTitle, value);
+        }
+
+        #endregion
+
+        #region 命令
+
+        private RelayCommand<SelectionChangedEventArgs> _switchDemoCmd;
+
+        /// <summary>
+        ///     切换例子命令
+        /// </summary>
+        public RelayCommand<SelectionChangedEventArgs> SwitchDemoCmd =>
+            _switchDemoCmd ?? (_switchDemoCmd = new RelayCommand<SelectionChangedEventArgs>(SwitchDemo));
+
+        #endregion
+
+        #region 方法
+
+        /// <summary>
+        ///     切换例子
+        /// </summary>
+        private void SwitchDemo(SelectionChangedEventArgs e)
+        {
+            if (e.AddedItems.Count == 0) return;
+            if (e.AddedItems[0] is ListBoxItem item)
+            {
+                if (item.Tag is string tag)
+                {
+                    if (Equals(_listBoxItemCurrent, item)) return;
+                    _listBoxItemCurrent = item;
+                    ContentTitle = item.Content;
+                    Messenger.Default.Send(false, MessageToken.FullSwitch);
+                    Messenger.Default.Send(AssemblyHelper.CreateInternalInstance($"UserControl.{tag}"), MessageToken.LoadShowContent);
+                }
+                else
+                {
+                    _listBoxItemCurrent = null;
+                    ContentTitle = null;
+                    SubContent = null;
+                }
+            }
+        }
+
+        #endregion
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/PaginationDemoViewModel.cs

@@ -0,0 +1,68 @@
+using System.Collections.Generic;
+using System.Linq;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+using HandyControl.Data;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class PaginationDemoViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     所有数据
+        /// </summary>
+        private readonly List<DemoDataModel> _totalDataList;
+
+        /// <summary>
+        ///     显示的数据
+        /// </summary>
+        private List<DemoDataModel> _dataList;
+
+        /// <summary>
+        ///     显示的数据
+        /// </summary>
+        public List<DemoDataModel> DataList
+        {
+            get => _dataList;
+            set => Set(nameof(DataList), ref _dataList, value);
+        }
+
+        /// <summary>
+        ///     页码
+        /// </summary>
+        private int _pageIndex = 1;
+
+        /// <summary>
+        ///     页码
+        /// </summary>
+        public int PageIndex
+        {
+            get => _pageIndex;
+            set => Set(nameof(PageIndex), ref _pageIndex, value);
+        }
+
+        public PaginationDemoViewModel(DataService dataService)
+        {
+            _totalDataList = dataService.GetDemoDataList(100);
+            DataList = _totalDataList.Take(10).ToList();
+        }
+
+        private RelayCommand<FunctionEventArgs<int>> _pageUpdatedCmd;
+
+        /// <summary>
+        ///     页码改变命令
+        /// </summary>
+        public RelayCommand<FunctionEventArgs<int>> PageUpdatedCmd =>
+            _pageUpdatedCmd ?? (_pageUpdatedCmd = new RelayCommand<FunctionEventArgs<int>>(PageUpdated));
+
+        /// <summary>
+        ///     页码改变
+        /// </summary>
+        private void PageUpdated(FunctionEventArgs<int> info)
+        {
+            DataList = _totalDataList.Skip((info.Info - 1) * 10).Take(10).ToList();
+        }
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/StepBarDemoViewModel.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Controls;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+using HandyControl.Controls;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class StepBarDemoViewModel : ViewModelBase
+    {
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        private List<StepBarDemoModel> _dataList;
+
+        /// <summary>
+        ///     数据列表
+        /// </summary>
+        public List<StepBarDemoModel> DataList
+        {
+            get => _dataList;
+            set => Set(nameof(DataList), ref _dataList, value);
+        }
+
+        public StepBarDemoViewModel(DataService dataService)
+        {
+            DataList = dataService.GetStepBarDemoDataList();
+        }
+
+        private RelayCommand<Panel> _nextCmd;
+
+        /// <summary>
+        ///     下一步
+        /// </summary>
+        public RelayCommand<Panel> NextCmd => _nextCmd ?? (_nextCmd = new RelayCommand<Panel>(Next));
+
+        private RelayCommand<Panel> _prevCmd;
+
+        /// <summary>
+        ///     上一步
+        /// </summary>
+        public RelayCommand<Panel> PrevCmd => _prevCmd ?? (_prevCmd = new RelayCommand<Panel>(Prev));
+
+        private void Next(Panel panel)
+        {
+            foreach (var stepBar in panel.Children.OfType<StepBar>())
+            {
+                stepBar.Next();
+            }
+        }
+
+        private void Prev(Panel panel)
+        {
+            foreach (var stepBar in panel.Children.OfType<StepBar>())
+            {
+                stepBar.Prev();
+            }
+        }
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/ViewModelLocator.cs

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+using System.Windows;
+using GalaSoft.MvvmLight.Ioc;
+using HandyControlDemo.Service;
+using Microsoft.Practices.ServiceLocation;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class ViewModelLocator
+    {
+        public ViewModelLocator()
+        {
+            ServiceLocator.SetLocatorProvider(() => SimpleIoc.Default);
+
+            SimpleIoc.Default.Register<DataService>();
+
+            SimpleIoc.Default.Register<MainViewModel>();
+            SimpleIoc.Default.Register<GrowlDemoViewModel>();
+            SimpleIoc.Default.Register<ImageBrowserDemoViewModel>();
+            SimpleIoc.Default.Register<ComboBoxDemoViewModel>();
+            SimpleIoc.Default.Register<WindowDemoViewModel>();
+            SimpleIoc.Default.Register<ContributorsViewModel>();
+            SimpleIoc.Default.Register<StepBarDemoViewModel>();
+            SimpleIoc.Default.Register<PaginationDemoViewModel>();
+        }
+
+        private static ViewModelLocator _instance;
+
+        public static ViewModelLocator Instance =>
+            _instance ?? (_instance = Application.Current.TryFindResource("Locator") as ViewModelLocator);
+
+        #region Vm
+
+        public MainViewModel Main => ServiceLocator.Current.GetInstance<MainViewModel>();
+
+        public GrowlDemoViewModel GrowlDemo => ServiceLocator.Current.GetInstance<GrowlDemoViewModel>();
+
+        public ImageBrowserDemoViewModel ImageBrowserDemo => ServiceLocator.Current.GetInstance<ImageBrowserDemoViewModel>();
+
+        public ComboBoxDemoViewModel ComboBoxDemo => ServiceLocator.Current.GetInstance<ComboBoxDemoViewModel>();
+
+        public WindowDemoViewModel WindowDemo => ServiceLocator.Current.GetInstance<WindowDemoViewModel>();
+
+        public ContributorsViewModel ContributorsView => ServiceLocator.Current.GetInstance<ContributorsViewModel>();
+
+        public StepBarDemoViewModel StepBarDemo => ServiceLocator.Current.GetInstance<StepBarDemoViewModel>();
+
+        public PaginationDemoViewModel PaginationDemo => ServiceLocator.Current.GetInstance<PaginationDemoViewModel>();
+
+        #endregion
+    }
+}

Net35/HandyControlDemo_Net35/ViewModel/WindowDemoViewModel.cs

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+using System.Windows;
+using GalaSoft.MvvmLight.Command;
+using HandyControlDemo.Tools;
+
+namespace HandyControlDemo.ViewModel
+{
+    public class WindowDemoViewModel
+    {
+        private RelayCommand<string> _openWindowCmd;
+
+        public RelayCommand<string> OpenWindowCmd =>
+            _openWindowCmd ?? (_openWindowCmd = new RelayCommand<string>(OpenWindow));
+
+        private void OpenWindow(string windowTag)
+        {
+            if (AssemblyHelper.CreateInternalInstance($"Window.{windowTag}") is System.Windows.Window window)
+            {
+                window.Owner = Application.Current.MainWindow;
+                window.ShowDialog();
+            }
+        }
+    }
+}