feat:记忆上次被选择的文件夹

App.config

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <configSections>
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+            <section name="H5MotaUpdate.Properties.Settings1" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+        </sectionGroup>
+    </configSections>
+    <userSettings>
+        <H5MotaUpdate.Properties.Settings1>
+            <setting name="LastSourceFolderPath" serializeAs="String">
+                <value />
+            </setting>
+            <setting name="LastDestFolderPath" serializeAs="String">
+                <value />
+            </setting>
+        </H5MotaUpdate.Properties.Settings1>
+    </userSettings>
+</configuration>

H5MotaUpdate.csproj

@@ -13,4 +13,19 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Compile Update="Properties\Settings.Designer.cs">
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
+
 </Project>

Properties/Settings.Designer.cs

@@ -0,0 +1,50 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     此代码由工具生成。
+//     运行时版本:4.0.30319.42000
+//
+//     对此文件的更改可能会导致不正确的行为，并且如果
+//     重新生成代码，这些更改将会丢失。
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace H5MotaUpdate.Properties {
+    
+    
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.11.0.0")]
+    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
+        
+        private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
+        
+        public static Settings Default {
+            get {
+                return defaultInstance;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("")]
+        public string LastSourceFolderPath {
+            get {
+                return ((string)(this["LastSourceFolderPath"]));
+            }
+            set {
+                this["LastSourceFolderPath"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("")]
+        public string LastDestFolderPath {
+            get {
+                return ((string)(this["LastDestFolderPath"]));
+            }
+            set {
+                this["LastDestFolderPath"] = value;
+            }
+        }
+    }
+}

Properties/Settings.settings

@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='utf-8'?>
+<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="H5MotaUpdate.Properties" GeneratedClassName="Settings1">
+  <Profiles />
+  <Settings>
+    <Setting Name="LastSourceFolderPath" Type="System.String" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
+    <Setting Name="LastDestFolderPath" Type="System.String" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
+  </Settings>
+</SettingsFile>

ViewModels/MainViewModel.cs

@@ -91,10 +91,17 @@ namespace H5MotaUpdate.ViewModels
         {
             using (FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog())
             {
+                // 设置初始路径为上一次选择的路径
+                folderBrowserDialog.SelectedPath = Properties.Settings.Default.LastSourceFolderPath;
+
                 if (folderBrowserDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                 {
                     SourceRootDirectory = folderBrowserDialog.SelectedPath;
+                    // 保存本次选择的路径
+                    Properties.Settings.Default.LastSourceFolderPath = SourceRootDirectory;
+                    Properties.Settings.Default.Save();
                 }
+
                 VersionString = VersionUtils.GetVersion(SourceRootDirectory);
             }
         }
@@ -106,9 +113,15 @@ namespace H5MotaUpdate.ViewModels
         {
             using (FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog())
             {
+                // 设置初始路径为上一次选择的路径
+                folderBrowserDialog.SelectedPath = Properties.Settings.Default.LastDestFolderPath;
+
                 if (folderBrowserDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                 {
                     DestRootDirectory = folderBrowserDialog.SelectedPath;
+                    // 保存本次选择的路径
+                    Properties.Settings.Default.LastDestFolderPath = DestRootDirectory;
+                    Properties.Settings.Default.Save();
                 }
             }
         }