add role property

HandyControlDemo/ViewModel/Controls/GrowlDemoViewModel.cs

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

HandyControlDemo/ViewModel/Controls/ImageBrowserDemoViewModel.cs

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

HandyControlDemo/ViewModel/Controls/PaginationDemoViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.CommandWpf;
+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(ref _dataList, value);
+        }
+
+        /// <summary>
+        ///     页码
+        /// </summary>
+        private int _pageIndex = 1;
+
+        /// <summary>
+        ///     页码
+        /// </summary>
+        public int PageIndex
+        {
+            get => _pageIndex;
+            set => Set(ref _pageIndex, value);
+        }
+
+        public PaginationDemoViewModel(DataService dataService)
+        {
+            _totalDataList = dataService.GetDemoDataList(100);
+            DataList = _totalDataList.Take(10).ToList();
+        }
+
+        /// <summary>
+        ///     页码改变命令
+        /// </summary>
+        public RelayCommand<FunctionEventArgs<int>> PageUpdatedCmd =>
+            new Lazy<RelayCommand<FunctionEventArgs<int>>>(() =>
+                new RelayCommand<FunctionEventArgs<int>>(PageUpdated)).Value;
+
+        /// <summary>
+        ///     页码改变
+        /// </summary>
+        private void PageUpdated(FunctionEventArgs<int> info)
+        {
+            DataList = _totalDataList.Skip((info.Info - 1) * 10).Take(10).ToList();
+        }
+    }
+}

HandyControlDemo/ViewModel/Controls/StepBarDemoViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Controls;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.CommandWpf;
+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(ref _dataList, value);
+        }
+
+        public StepBarDemoViewModel(DataService dataService)
+        {
+            DataList = dataService.GetStepBarDemoDataList();
+        }
+
+        /// <summary>
+        ///     下一步
+        /// </summary>
+        public RelayCommand<Panel> NextCmd => new Lazy<RelayCommand<Panel>>(() => new RelayCommand<Panel>(Next)).Value;
+
+        /// <summary>
+        ///     上一步
+        /// </summary>
+        public RelayCommand<Panel> PrevCmd => new Lazy<RelayCommand<Panel>>(() => new RelayCommand<Panel>(Prev)).Value;
+
+        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();
+            }
+        }
+    }
+}

HandyControlDemo/ViewModel/Controls/WindowDemoViewModel.cs

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