During our last online session on March 25th there was a dicsussion about how we make it easier for  people to migrate their applications to X# and how to document the common pitfalls and other problems. People suggested that they would want to help out with for example documenting compiler errors with examples of code that throws these errors and examples of how to solve these problems.

In this article we would like to list several areas of the XSharp project where we could use some help

Read more: Help Needed

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On Thursday March 25th at 16:00 CET (Amsterdam time)  Chris Pyrgas will present part 2 of his online presentation about  migrating applications from Visual Objects to X# and the changes that you have to make to your source code because of the differences between the two.

The session that was originally planned for Thursday about transporting FoxPro apps to X# has been rescheduled to April.

The session will use Zoom and the login details will be published here on Thursday morning.

If you missed part 1, you can still see it in our Youtube channel "X# Academy"

The recording of the session will be uploaded later today to the same Youtube Channel

We will open the session room at 15:30 so you can chat with eachother before the session if you want.

If time permits and if the attendees are interested then we will also preview some of the changes for X# 2.8 that will be released soon.

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We have a special "Spring Sale" for the Friends Of XSharp subscription.
Order the product in March 2021, add the discount code SPRING2021 on the checkout page and get a 25% discount !

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As of today X# is a dealer of Advantage Database Server (ADS). You can buy ADS Client Access Licenses (CAL) from us in several sized batches (1,2,5,10,25,50, 100, 250, unlimited) and you can also buy "expansion packs" to increase the number of licenses of your server.

The ADS pricelist is quite complicated, so we will not add all possible options to our online store, but just a few to give you an idea.

In all cases: contact us to get a quote.

 

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We have uploaded a preview version of the new X# compiler to the website. Subscribers can download this version from the following link:

XSharp Compiler 2.8 Preview
Popular 2.8.0.7 XSharp Open License 12.4 MB
2021-03-04

A RTF document with detailed descriptions is included in the ZIP file.

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There will be another online presentation this week.
It will be take place on Thursday February 25th at 16:00 CET (Amsterdam time).
The presentation will be done by our Devteam member Chris Pyrgas.
The subject will be:

migrating applications from Visual Objects to X# and the changes that you have to make to your source code because of the differences between the two.

Afterwards the recording of the sessions will be uploaded to our Youtube channel "X# Academy"

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The compiler for the upcoming 2.8 build of X# has received an "overhaul". We have updated the Roslyn code to the latest C# level (the same C# that comes with VS 2019 Preview 4). This means that we now benefit from many changes in the C# compiler. You should see that the compiler is a bit faster. The new compiler requires .Net framework 4.7.2 or .Net core 3.0. The apps created with the new compiler can still target the framework versions from 2.0 until 4.8, .Net Core 2.0, 3.0 and .Net 5 and .Net 6.

We have also taken the opportunity to add a few new things to the language:

Local Functions and Local Procedures

You can declare local function  and local procedures inside methods, properties, functions and procedures.

The syntax is

LOCAL FUNCTION <Name> (<Parameters>) AS <Type>
.
. statements
.
END FUNCTION

Some remarks:

In January we have shared our list of "things to do" with our subscribers and asked them to help us prioritize the development.
We have analyzed the feedback and combined that with our own ideas and have come with the following plan for 2021.
But before we list the results, we would really like to thank our subscribers for the very positive feedback. The most requested feature was "that we stay in business". And that is exactly what we plan to do !

Finally the obvious disclaimer: these are our plans. They are not set in stone. We will adjust these plans whenever we see fit.

When SubSystem Deliverables

Q1

   
Compiler /
Language
  • New compiler based on C# 9 with support for Local Functions, USING statements and more. This also prepares the compiler for new features in .Net 5 and .Net Core.
Runtime
  • Additional FoxPro runtime functions
  • Improved FoxPro array support
  • Beta version of VO GUI Classes based on Windows Forms and VO SQL classes based on Ado.Net
  • ExecScript() support based on the Full Roslyn scripting engine 
  • Runtime Debugging support with windows built in the Runtime to show workareas/cursors, globals, privates and settings
VS
  • Visual Studio performance enhancements and improvements in the code completion.
Tools
  • FoxPro project to VS solution converter. This includes a first layer of UI classes that map the FoxPro UI to Windows Forms.

Q2

   
Compiler/
Language
  • New languages features, such as improved Tuples support
  • Parsing of FoxPro embedded SQL
Runtime
  • Beta version of SQL RDD that uses Ado.Net to fetch data.
  • Implementation of FoxPro embedded SQL based on Advantage Database Server
  • Additional FoxPro runtime functions
  • Release of VO GUI Classes based on Windows Forms and VO SQL classes based on Ado.Net
  • Speed improvements for Shared DBF access
VS / Build
System
  • Beta version of support for .Net 5 and .Net Core (the compiler already supports this)
Tools
  • Improvements to the FoxPro project converter and support libraries

Later /
when it is ready


  
Compiler /
Language
Runtime
  • Adjust our runtime to work with .Net 5 and .Net Core
  • The last missing FoxPro runtime functions
  • Optimized version of the ExecScript() support
  • FoxPro reporting (based on ReportPro)
VS / Build System
  • Release version of support for .Net 5 and .Net Core in the build system and Visual Studio
  • Debugger improvements
  • Support for .Net 6
  • Additional project templates for various platforms and problems.
Tools
  • Adjust ReportPro 2 to use Windows Forms for its UI and support FoxPro reports
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