fixed #192

src/Shared/HandyControlDemo_Shared/Data/Model/DemoInfoModel.cs

@@ -5,6 +5,8 @@ namespace HandyControlDemo.Data
 {
     public class DemoInfoModel : ViewModelBase
     {
+        public string Key { get; set; }
+
         private string _title;
 
         public string Title

src/Shared/HandyControlDemo_Shared/HandyControlDemo_Shared.projitems

@@ -35,7 +35,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\StringRepeatConverter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\AssemblyHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\CommonHelper.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\ExternDllHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\Win32Helper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)UserControl\Basic\Avatar.xaml.cs">
       <DependentUpon>Avatar.xaml</DependentUpon>

src/Shared/HandyControlDemo_Shared/Service/Data/DataService.cs

@@ -373,10 +373,12 @@ namespace HandyControlDemo.Service
             var jsonObj = JsonConvert.DeserializeObject<dynamic>(jsonStr);
             foreach (var item in jsonObj)
             {
-                var title = Properties.Langs.Lang.ResourceManager.GetString((string)item.title);
+                var titleKey = (string) item.title;
+                var title = Properties.Langs.Lang.ResourceManager.GetString(titleKey);
                 var list = Convert2DemoItemList(item.demoItemList);
                 infoList.Add(new DemoInfoModel
                 {
+                    Key = titleKey,
                     Title = title,
                     DemoItemList = list
                 });

src/Shared/HandyControlDemo_Shared/Tools/Helper/ExternDllHelper.cs

@@ -1,12 +0,0 @@
-using System.Runtime.InteropServices;
-
-namespace HandyControlDemo.Tools
-{
-    internal class ExternDllHelper
-    {
-        private const string Winmm = "winmm.dll";
-
-        [DllImport(Winmm, EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
-        public static extern int MciSendString(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);
-    }
-}

src/Shared/HandyControlDemo_Shared/Tools/Helper/Win32Helper.cs

@@ -7,5 +7,8 @@ namespace HandyControlDemo.Tools
     {
         [DllImport("user32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
         public static extern bool SetForegroundWindow(IntPtr hWnd);
+
+        [DllImport("winmm.dll", EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
+        public static extern int MciSendString(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);
     }
 }

src/Shared/HandyControlDemo_Shared/UserControl/Main/LeftMainContent.xaml.cs

@@ -5,6 +5,7 @@ using System.Windows.Controls.Primitives;
 using HandyControl.Data;
 using HandyControl.Tools.Extension;
 using HandyControlDemo.Data;
+using HandyControlDemo.ViewModel;
 
 
 namespace HandyControlDemo.UserControl
@@ -24,6 +25,7 @@ namespace HandyControlDemo.UserControl
             if (e.AddedItems.Count == 0) return;
             if (e.AddedItems[0] is DemoInfoModel demoInfo)
             {
+                ViewModelLocator.Instance.Main.DemoInfoCurrent = demoInfo;
                 var selectedIndex = demoInfo.SelectedIndex;
                 demoInfo.SelectedIndex = -1;
                 demoInfo.SelectedIndex = selectedIndex;

src/Shared/HandyControlDemo_Shared/UserControl/Main/MainContent.xaml

@@ -1,5 +1,7 @@
 <Border xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:hc="https://handyorg.github.io/handycontrol"
+        xmlns:avalonedit="http://icsharpcode.net/sharpdevelop/avalonedit"
         x:Class="HandyControlDemo.UserControl.MainContent"
         Background="{DynamicResource MainContentBackgroundBrush}">
     <Border Background="{DynamicResource MainContentForegroundDrawingBrush}">
@@ -10,7 +12,25 @@
             </Grid.RowDefinitions>
             <Border Name="BorderEffect" Grid.RowSpan="2" Background="{DynamicResource RegionBrush}" CornerRadius="10" Effect="{StaticResource EffectShadow4}"/>
             <Border Height="32" Name="BorderTitle" Grid.Row="0" CornerRadius="10,10,0,0" Background="{DynamicResource TitleBrush}">
-                <TextBlock Style="{StaticResource TextBlockDefault}" Foreground="White" Text="{Binding ContentTitle}"/>
+                <hc:SimplePanel>
+                    <TextBlock Style="{StaticResource TextBlockDefault}" Foreground="White" Text="{Binding ContentTitle}"/>
+                    <ToggleButton Margin="0,0,6,0" IsChecked="{Binding IsOpen,ElementName=DrawerCode}" Padding="5" Foreground="{DynamicResource TextIconBrush}" Style="{StaticResource ToggleButtonIconTransparent}" HorizontalAlignment="Right" hc:IconElement.Geometry="{StaticResource CodeGeometry}"/>
+                    <hc:Drawer Name="DrawerCode" Opened="DrawerCode_OnOpened">
+                        <Border Style="{StaticResource BorderClip}" Margin="32,32,0,32" CornerRadius="10,0,0,10" Background="{DynamicResource RegionBrush}" Width="800">
+                            <TabControl Grid.Row="1" Style="{StaticResource TabControlInLine}">
+                                <TabItem Header="XAML">
+                                    <avalonedit:TextEditor IsReadOnly="True" FontFamily="Consolas" Background="{DynamicResource RegionBrush}" SyntaxHighlighting="XML" Name="EditorXaml" Margin="4" ShowLineNumbers="True"/>
+                                </TabItem>
+                                <TabItem Header="C#">
+                                    <avalonedit:TextEditor IsReadOnly="True" FontFamily="Consolas" Background="{DynamicResource RegionBrush}" SyntaxHighlighting="C#" Name="EditorCs" Margin="4" ShowLineNumbers="True"/>
+                                </TabItem>
+                                <TabItem Header="VM">
+                                    <avalonedit:TextEditor IsReadOnly="True" FontFamily="Consolas" Background="{DynamicResource RegionBrush}" SyntaxHighlighting="C#" Name="EditorVm" Margin="4" ShowLineNumbers="True"/>
+                                </TabItem>
+                            </TabControl>
+                        </Border>
+                    </hc:Drawer>
+                </hc:SimplePanel>
             </Border>
             <Border Grid.Row="1" ClipToBounds="True">
                 <ContentPresenter Name="PresenterMain" Margin="0,0,0,10" Content="{Binding SubContent}"/>

src/Shared/HandyControlDemo_Shared/UserControl/Main/MainContent.xaml.cs

@@ -2,6 +2,7 @@
 using GalaSoft.MvvmLight.Messaging;
 using HandyControl.Tools.Extension;
 using HandyControlDemo.Data;
+using HandyControlDemo.ViewModel;
 
 
 namespace HandyControlDemo.UserControl
@@ -13,6 +14,8 @@ namespace HandyControlDemo.UserControl
     {
         private bool _isFull;
 
+        private string _currentDemoKey;
+
         public MainContent()
         {
             InitializeComponent();
@@ -43,5 +46,25 @@ namespace HandyControlDemo.UserControl
                 PresenterMain.Margin = new Thickness(0, 0, 0, 10);
             }
         }
+
+        private void DrawerCode_OnOpened(object sender, RoutedEventArgs e)
+        {
+            var typeKey = ViewModelLocator.Instance.Main.DemoInfoCurrent.Key;
+            var demoKey = ViewModelLocator.Instance.Main.DemoItemCurrent.TargetCtlName;
+            if (Equals(_currentDemoKey, demoKey)) return;
+            _currentDemoKey = demoKey;
+
+            if (ViewModelLocator.Instance.Main.SubContent is FrameworkElement demoCtl)
+            {
+                var xamlPath = $"UserControl/{typeKey}/{demoCtl.GetType().Name}.xaml";
+                var dc = demoCtl.DataContext;
+                var dcTypeName = dc.GetType().Name;
+                var vmPath = $"ViewModel/{dcTypeName}";
+
+                EditorXaml.Text = DemoHelper.GetCode(xamlPath);
+                EditorCs.Text = DemoHelper.GetCode($"{xamlPath}.cs");
+                EditorVm.Text = DemoHelper.GetCode($"{vmPath}.cs");
+            }
+        }
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Basic/ChatBoxViewModel.cs

@@ -104,12 +104,12 @@ namespace HandyControlDemo.ViewModel
 
         private void StartRecord()
         {
-            ExternDllHelper.MciSendString("set wave bitpersample 8", "", 0, 0);
-            ExternDllHelper.MciSendString("set wave samplespersec 20000", "", 0, 0);
-            ExternDllHelper.MciSendString("set wave channels 2", "", 0, 0);
-            ExternDllHelper.MciSendString("set wave format tag pcm", "", 0, 0);
-            ExternDllHelper.MciSendString("open new type WAVEAudio alias movie", "", 0, 0);
-            ExternDllHelper.MciSendString("record movie", "", 0, 0);
+            Win32Helper.MciSendString("set wave bitpersample 8", "", 0, 0);
+            Win32Helper.MciSendString("set wave samplespersec 20000", "", 0, 0);
+            Win32Helper.MciSendString("set wave channels 2", "", 0, 0);
+            Win32Helper.MciSendString("set wave format tag pcm", "", 0, 0);
+            Win32Helper.MciSendString("open new type WAVEAudio alias movie", "", 0, 0);
+            Win32Helper.MciSendString("record movie", "", 0, 0);
 
             _stopwatch.Reset();
             _stopwatch.Start();
@@ -135,9 +135,9 @@ namespace HandyControlDemo.ViewModel
 
             var cachePath = $"{AudioCachePath}\\{Guid.NewGuid().ToString()}";
             var cachePathWithQuotes = $"\"{cachePath}\"";
-            ExternDllHelper.MciSendString("stop movie", "", 0, 0);
-            ExternDllHelper.MciSendString($"save movie {cachePathWithQuotes}", "", 0, 0);
-            ExternDllHelper.MciSendString("close movie", "", 0, 0);
+            Win32Helper.MciSendString("stop movie", "", 0, 0);
+            Win32Helper.MciSendString($"save movie {cachePathWithQuotes}", "", 0, 0);
+            Win32Helper.MciSendString("close movie", "", 0, 0);
 
             _stopwatch.Stop();
 

src/Shared/HandyControlDemo_Shared/ViewModel/Main/MainViewModel.cs

@@ -34,11 +34,6 @@ namespace HandyControlDemo.ViewModel
         /// </summary>
         private List<DemoInfoModel> _demoInfoList;
 
-        /// <summary>
-        ///     当前选中的demo项
-        /// </summary>
-        private DemoItemModel _demoItemCurrent;
-
         #endregion
 
         public MainViewModel(DataService dataService)
@@ -54,7 +49,7 @@ namespace HandyControlDemo.ViewModel
 
             Messenger.Default.Register<object>(this, MessageToken.ClearLeftSelected, obj =>
             {
-                _demoItemCurrent = null;
+                DemoItemCurrent = null;
                 foreach (var item in DemoInfoList)
                 {
                     item.SelectedIndex = -1;
@@ -67,6 +62,13 @@ namespace HandyControlDemo.ViewModel
 
         #region 属性
 
+        /// <summary>
+        ///     当前选中的demo项
+        /// </summary>
+        public DemoItemModel DemoItemCurrent { get; private set; }
+
+        public DemoInfoModel DemoInfoCurrent { get; set; }
+
         /// <summary>
         ///     子内容
         /// </summary>
@@ -141,9 +143,9 @@ namespace HandyControlDemo.ViewModel
             if (e.AddedItems.Count == 0) return;
             if (e.AddedItems[0] is DemoItemModel item)
             {
-                if (Equals(_demoItemCurrent, item)) return;
+                if (Equals(DemoItemCurrent, item)) return;
 
-                _demoItemCurrent = item;
+                DemoItemCurrent = item;
                 ContentTitle = item.Name;
                 var obj = AssemblyHelper.ResolveByKey(item.TargetCtlName);
                 var ctl = obj ?? AssemblyHelper.CreateInternalInstance($"UserControl.{item.TargetCtlName}");