XAF 及 DevExpress 的源代码重编译，重点是：XAF 的安全模块

     从  https://www.dxper.net/forum-100-1.html   下了 DevExpress 的源代码，解压后 XAF 的代码在 Sources 下的几个目录： DevExpress.ExpressApp、DevExpress.ExpressApp.Design、DevExpress.ExpressApp.Tools、DevExpress.ExpressApp.Workflow 等。

资料收集： 1）  How to rebuild assemblies from the source code   ：

            https://supportcenter.devexpress.com/ticket/details/a609/how-to-rebuild-assemblies-from-the-source-code

2）How to: Recompile the Business Class Library：  

            https://docs.devexpress.com/eXpressAppFramework/112832/task-based-help/business-model-design/common-tasks/how-to-recompile-the-business-class-library

3）XAF - Release of Security System API for EF Core, Action Permissions, New Documentation, Videos, Survey (v20.1.6)

     https://community.devexpress.com/blogs/xaf/archive/2020/07/22/xaf-release-of-security-system-for-ef-core-action-permissions-new-documentation-videos-survey-v20-1-6.aspx     

• SecuredEFCoreObjectSpaceProvider | SecuredEFCoreObjectSpace | Action Permissions
• Security - FAQ: XAF User Authentication and Group Authorization API for DevExpress XPO and Microsoft Entity Framework Core ORMs
• How to generate database updater code for security roles created via the application UI in a development environment
• Security - New validation and appearance rules for PermissionPolicyUser and PermissionPolicyRole
• Security - Protected content text changed to asterisks

4）  Role-based Access Control & User Authentication       https://www.devexpress.com/products/net/application_framework/security.xml

     DevExpress-Examples/XAF_Security_E4908     示例与指导： Demos and Step-By-Step Tutorials for .NET Framework and .NET Core

     https://github.com/DevExpress-Examples/XAF_Security_E4908     

5)   XAF的Blazor UI是否支持OAuth2（Microsoft 365或Google）或JWT身份验证  示例：

• Manuel Grundner（DevExpress MVP）提供的基于Identity Server的示例和视频。

      https://github.com/biohazard999/IDSDemoXaf