# Oxygene **URL:** https://talk.remobjects.com/c/elements/oxygene/2.md [Latest](https://talk.remobjects.com/latest.md) · [Categories](https://talk.remobjects.com/categories.md) · [Tags](https://talk.remobjects.com/tags.md) --- ## [".NET Form Designer support for Core" VS2022 / VS2206](https://talk.remobjects.com/t/net-form-designer-support-for-core-vs2022-vs2206/32495)
**Author:** [@pthompson](https://talk.remobjects.com/u/pthompson)\ **Replies:** 82\ **Last updated:** [October 27, 2026, 5:19pm UTC](https://talk.remobjects.com/t/net-form-designer-support-for-core-vs2022-vs2206/32495 "2026-10-27T17:19:29Z")
Hi Marc, It’s a couple of years since I last asked, but with VS2026 starting to appear, thought I’d see if there was any movement on Microsoft opening up VS again to allow support for more than VC# and VB ? All the bes… --- ## [Remobject issue](https://talk.remobjects.com/t/remobject-issue/34147)
**Author:** [@Deepak\_Sindhwani](https://talk.remobjects.com/u/Deepak_Sindhwani)\ **Replies:** 3\ **Last updated:** [October 19, 2026, 12:57pm UTC](https://talk.remobjects.com/t/remobject-issue/34147 "2026-10-19T12:57:12Z")
We are working on EOL where we are upgrading our Application project in which we are using latest REM OBJECT Version 13.0.0.3101 and latest VS 2022 . When we are searching any text in VS 2022 under the .Pas files the Vis… --- ## [Native EBuild-generated image and icon resources fail at runtime on .NET 10 — BinaryFormatter dependency](https://talk.remobjects.com/t/native-ebuild-generated-image-and-icon-resources-fail-at-runtime-on-net-10-binaryformatter-dependency/34093)
**Author:** [@claudioh](https://talk.remobjects.com/u/claudioh)\ **Replies:** 18\ **Last updated:** [October 9, 2026, 6:20pm UTC](https://talk.remobjects.com/t/native-ebuild-generated-image-and-icon-resources-fail-at-runtime-on-net-10-binaryformatter-dependency/34093 "2026-10-09T18:20:41Z")
I would like to report a resource compatibility issue with .NET 10 that appears to be distinct from the RESX regression I previously reported. The previous issue affected .NET Framework 4.8 after upgrading to Elements 1… --- ## [Visual Studio 2026 Find in Files skips Oxygene ASP.NET Core sources](https://talk.remobjects.com/t/visual-studio-2026-find-in-files-skips-oxygene-asp-net-core-sources/34106)
**Author:** [@claudioh](https://talk.remobjects.com/u/claudioh)\ **Replies:** 2\ **Last updated:** [October 8, 2026, 3:25pm UTC](https://talk.remobjects.com/t/visual-studio-2026-find-in-files-skips-oxygene-asp-net-core-sources/34106 "2026-10-08T15:25:49Z")
Hello RemObjects team, “Find in Files → Entire solution” misses source files in our Oxygene ASP.NET Core projects. Searching by physical directory works correctly. Environment: Visual Studio 2026 Professional 18.8.3 E… --- ## [Regression after upgrading Elements from 13.0.0.3081 to 13.0.0.3125 — .resx Icon/Bitmap resources crash .NET Framework 4.8 applications](https://talk.remobjects.com/t/regression-after-upgrading-elements-from-13-0-0-3081-to-13-0-0-3125-resx-icon-bitmap-resources-crash-net-framework-4-8-applications/34092)
**Author:** [@claudioh](https://talk.remobjects.com/u/claudioh)\ **Replies:** 3\ **Last updated:** [October 6, 2026, 12:06am UTC](https://talk.remobjects.com/t/regression-after-upgrading-elements-from-13-0-0-3081-to-13-0-0-3125-resx-icon-bitmap-resources-crash-net-framework-4-8-applications/34092 "2026-10-06T00:06:23Z")
Hello RemObjects team, We encountered a resource-loading regression after upgrading Elements/EBuild: Previously working version: 13.0.0.3081 Version exhibiting the problem: 13.0.0.3125 Our existing Oxygene Windows Fo… --- ## [DynamicHelpers.GetMember\`/\`SetMember\` sporadically traps with \`unreachable\`](https://talk.remobjects.com/t/dynamichelpers-getmember-setmember-sporadically-traps-with-unreachable/33961)
**Author:** [@ianjblakeley](https://talk.remobjects.com/u/ianjblakeley)\ **Replies:** 8\ **Last updated:** [September 19, 2026, 9:41am UTC](https://talk.remobjects.com/t/dynamichelpers-getmember-setmember-sporadically-traps-with-unreachable/33961 "2026-09-19T09:41:24Z")
Description Any dynamic-typed property read (occasionally also a write) can — unpredictably, not on every call — trap with a WASM unreachable instruction inside Elements’ own runtime, aborting the entire WASM instance. … --- ## [Browser.GetElementById()\` throws exception when called from \`\[Export\]\` class method](https://talk.remobjects.com/t/browser-getelementbyid-throws-exception-when-called-from-export-class-method/33960)
**Author:** [@ianjblakeley](https://talk.remobjects.com/u/ianjblakeley)\ **Replies:** 2\ **Last updated:** [September 17, 2026, 2:27pm UTC](https://talk.remobjects.com/t/browser-getelementbyid-throws-exception-when-called-from-export-class-method/33960 "2026-09-17T14:27:25Z")
Description Browser.GetElementById() from RemObjects.Elements.WebAssembly.DOM throws an exception (silently caught, not propagated to JavaScript console) when called from a method in an \[Export\]ed class. The same API c… --- ## [VS2026 : Crashing "RemObjects Elements Editor" (trial edition)](https://talk.remobjects.com/t/vs2026-crashing-remobjects-elements-editor-trial-edition/33813)
**Author:** [@pthompson](https://talk.remobjects.com/u/pthompson)\ **Replies:** 3\ **Last updated:** [August 18, 2026, 2:40pm UTC](https://talk.remobjects.com/t/vs2026-crashing-remobjects-elements-editor-trial-edition/33813 "2026-08-18T14:40:26Z")
We’re evaluating the current trial editions of Elements (13.0.0.3101), DA (10.0.0.1627) and Hydra (6.7.0.1373) with a view to renewing our suite licenses and upgrading to the latest versions. The few breaking changes we… --- ## [Porting a Delphi 13 Console Application](https://talk.remobjects.com/t/porting-a-delphi-13-console-application/33360)
**Author:** [@stevemaughan](https://talk.remobjects.com/u/stevemaughan)\ **Replies:** 18\ **Last updated:** [August 8, 2026, 5:42pm UTC](https://talk.remobjects.com/t/porting-a-delphi-13-console-application/33360 "2026-08-08T17:42:09Z")
Hi, I’m new to Oxygene / Water. I’ve downloaded the trial with the aim of getting my Delphi chess engine (Juggernaut) working with Oxygene. It’s a console application (UCI chess protocol) so I would have thought it would… --- ## [Expanding generics phase doesn't provide detailed info about the error](https://talk.remobjects.com/t/expanding-generics-phase-doesnt-provide-detailed-info-about-the-error/33764)
**Author:** [@joseasl](https://talk.remobjects.com/u/joseasl)\ **Replies:** 3\ **Last updated:** [August 8, 2026, 4:45pm UTC](https://talk.remobjects.com/t/expanding-generics-phase-doesnt-provide-detailed-info-about-the-error/33764 "2026-08-08T16:45:05Z")
I’m getting E703 errors in Island-Windows. The problem is that even in Diagnostics mode, there is no info about which method or type is causing the problem. -\> Phase Expanding Generics started. E: … --- ## [Internal error: System.InvalidCastException while compiling](https://talk.remobjects.com/t/internal-error-system-invalidcastexception-while-compiling/33506)
**Author:** [@infokevercom](https://talk.remobjects.com/u/infokevercom)\ **Replies:** 17\ **Last updated:** [July 1, 2026, 9:00am UTC](https://talk.remobjects.com/t/internal-error-system-invalidcastexception-while-compiling/33506 "2026-07-01T09:00:28Z")
When compiling a multi project solution we get this exception from the compiler: Internal error: System.InvalidCastException: Unable to cast object of type ‘RemObjects.Elements.Code.ExternalTypes.DotNetMethodInfo’ to t… --- ## [Code does not compile with Elements 13.x](https://talk.remobjects.com/t/code-does-not-compile-with-elements-13-x/33489)
**Author:** [@infokevercom](https://talk.remobjects.com/u/infokevercom)\ **Replies:** 8\ **Last updated:** [June 11, 2026, 12:26pm UTC](https://talk.remobjects.com/t/code-does-not-compile-with-elements-13-x/33489 "2026-06-11T12:26:28Z")
This code no longer compiles with latest Elements compiler (13.x) unit System\_; interface type // Bound to objects CObject = public Object; // TPropertyFilterFunc = reference to function (const AProperty: Str… --- ## [Code does not compile](https://talk.remobjects.com/t/code-does-not-compile/33488)
**Author:** [@infokevercom](https://talk.remobjects.com/u/infokevercom)\ **Replies:** 2\ **Last updated:** [June 10, 2026, 10:20am UTC](https://talk.remobjects.com/t/code-does-not-compile/33488 "2026-06-10T10:20:37Z")
This code no longer compiles when using latest Elements compiler (13.x) unit System\_; interface type TDummy = class end; function AtomicDecrement(var Target: Integer; const Value: Integer := 1): Integer; … --- ## [Syntax Highlighting](https://talk.remobjects.com/t/syntax-highlighting/33394)
**Author:** [@mickwaterhouse](https://talk.remobjects.com/u/mickwaterhouse)\ **Replies:** 11\ **Last updated:** [June 4, 2026, 11:27am UTC](https://talk.remobjects.com/t/syntax-highlighting/33394 "2026-06-04T11:27:42Z")
I wonder if it would be possible, if easy enough, to make the user types display, in the chosen color, more consistently. At the moment it doesn’t highlight when actually creating a new class or record or when invoking t… --- ## [Adding Delphi sdk reference to Visual Studio project issue](https://talk.remobjects.com/t/adding-delphi-sdk-reference-to-visual-studio-project-issue/33431)
**Author:** [@mickwaterhouse](https://talk.remobjects.com/u/mickwaterhouse)\ **Replies:** 4\ **Last updated:** [June 2, 2026, 12:16pm UTC](https://talk.remobjects.com/t/adding-delphi-sdk-reference-to-visual-studio-project-issue/33431 "2026-06-02T12:16:00Z")
After running the import Delphi sdk’s successfully I am trying to add the reference to the in the settings page via project options and am not getting a drop down selection of, in my case Delphi 12. In Visual Studio 2026… --- ## [Compile Delphi source with the WASM Compiler](https://talk.remobjects.com/t/compile-delphi-source-with-the-wasm-compiler/33202)
**Author:** [@henrique](https://talk.remobjects.com/u/henrique)\ **Replies:** 30\ **Last updated:** [August 28, 2026, 9:27am UTC](https://talk.remobjects.com/t/compile-delphi-source-with-the-wasm-compiler/33202 "2026-08-28T09:27:40Z")
It’s possible to compile the Delphi source files with the web assembly compiler from Oxygene? I’m trying to do this, but isn’t working. --- ## [Order of field declaration in classes](https://talk.remobjects.com/t/order-of-field-declaration-in-classes/33299)
**Author:** [@mickwaterhouse](https://talk.remobjects.com/u/mickwaterhouse)\ **Replies:** 5\ **Last updated:** [May 7, 2026, 11:20am UTC](https://talk.remobjects.com/t/order-of-field-declaration-in-classes/33299 "2026-05-07T11:20:05Z")
The documentation says explicitly that “Fields can be defined at any place within the declaration of a class or record. And “…the field or, for backwards compatibility, var keywords can be used to start an explicit field… --- ## [Sequence operator + does not work other than .Net](https://talk.remobjects.com/t/sequence-operator-does-not-work-other-than-net/33248)
**Author:** [@mickwaterhouse](https://talk.remobjects.com/u/mickwaterhouse)\ **Replies:** 1\ **Last updated:** [April 21, 2026, 2:20am UTC](https://talk.remobjects.com/t/sequence-operator-does-not-work-other-than-net/33248 "2026-04-21T02:20:00Z")
The documentation indicates that as + is mapped to Concat() for sequence of types it is a language feature. If it is only .Net so be it if not how is it used? This works fine targeting .Net --- ## [Oxygene to c# for using ReSharper](https://talk.remobjects.com/t/oxygene-to-c-for-using-resharper/33151)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 14\ **Last updated:** [April 16, 2026, 8:02am UTC](https://talk.remobjects.com/t/oxygene-to-c-for-using-resharper/33151 "2026-04-16T08:02:51Z")
Hi, i’m searching for a way to clean up my oxygene code (dead code elemination). Using dotPeek doesn’t lead to useful results. Do you have any suggestions ? (Something like the opposite of Oxydizer ?) Thanks Andreas … --- ## [Error compiling FMX Demo](https://talk.remobjects.com/t/error-compiling-fmx-demo/33193)
**Author:** [@henrique](https://talk.remobjects.com/u/henrique)\ **Replies:** 9\ **Last updated:** [May 18, 2026, 12:51pm UTC](https://talk.remobjects.com/t/error-compiling-fmx-demo/33193 "2026-05-18T12:51:49Z")
I’m trying to compile a sample of FMX controls in Water IDE and it’s giving this error: Cannot find type “Delphi.FMX.Controls.{System.Generics.Collections}TList\” from library “” referenced by “Del… --- ## [FMX in the Browser](https://talk.remobjects.com/t/fmx-in-the-browser/33188)
**Author:** [@henrique](https://talk.remobjects.com/u/henrique)\ **Replies:** 1\ **Last updated:** [April 7, 2026, 6:30pm UTC](https://talk.remobjects.com/t/fmx-in-the-browser/33188 "2026-04-07T18:30:09Z")
It’s possible to compile a FMX project in JavaScript or WebAssembly application? --- ## [Illegal IL generated in some case](https://talk.remobjects.com/t/illegal-il-generated-in-some-case/32629)
**Author:** [@cosina](https://talk.remobjects.com/u/cosina)\ **Replies:** 4\ **Last updated:** [May 28, 2026, 7:45am UTC](https://talk.remobjects.com/t/illegal-il-generated-in-some-case/32629 "2026-05-28T07:45:55Z")
Hi, Some strange IL generation error related to a doSomething() procedure. IlVerify shows stackUnderflow error namespace ConsoleApplication5; uses System.Threading.Tasks; type EmptyClass = class end; Class1 = public… --- ## [Bug in Internetpack HttpClient](https://talk.remobjects.com/t/bug-in-internetpack-httpclient/32537)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 2\ **Last updated:** [December 12, 2025, 12:51pm UTC](https://talk.remobjects.com/t/bug-in-internetpack-httpclient/32537 "2025-12-12T12:51:53Z")
Hello, when a httpserver first responds with usally HTTP/1.1 200 OK, the httpclient throws an exception Invalid HTTP Request Mode (GET/OUT/HEAD/POST/DELETE/OPTIONS/PATCH/TRACE/MERGE/HTTP header expected, got HTTP (in… --- ## [Internetpack HTTPSpy not compilable](https://talk.remobjects.com/t/internetpack-httpspy-not-compilable/32528)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 1\ **Last updated:** [December 12, 2025, 8:23am UTC](https://talk.remobjects.com/t/internetpack-httpspy-not-compilable/32528 "2025-12-12T08:23:35Z")
Hi, trying to compile “internetpack\\Samples\\Oxygene\\HTTP Spy" (after swicthing to v4) gives: E: member “Parse” on type “RemObjects.Elements.RTL.Url” cannot be called because it is private --- ## [Ifdef conditional define ignored](https://talk.remobjects.com/t/ifdef-conditional-define-ignored/32462)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 6\ **Last updated:** [November 28, 2025, 8:48am UTC](https://talk.remobjects.com/t/ifdef-conditional-define-ignored/32462 "2025-11-28T08:48:47Z")
Hi, this gives an error, but should’t (as it should be equivalent to the next (commented) line). Type “PCallStruct” cannot be used as an argument type for public global method “DoCall”, because it is not public namesp… --- ## [Bug in InternetPack HttpServer?](https://talk.remobjects.com/t/bug-in-internetpack-httpserver/32457)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 2\ **Last updated:** [November 21, 2025, 7:04am UTC](https://talk.remobjects.com/t/bug-in-internetpack-httpserver/32457 "2025-11-21T07:04:56Z")
In the HttpRequest event of the HttpServer class, if i get a POST request, the e.Request.Contentstring seems not to be decoded with the Latin1 encoding, as it should be (the default charset for POST requests). I have to… --- ## [Cannot compile Internetpack sample server](https://talk.remobjects.com/t/cannot-compile-internetpack-sample-server/32410)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 8\ **Last updated:** [November 17, 2025, 12:37pm UTC](https://talk.remobjects.com/t/cannot-compile-internetpack-sample-server/32410 "2025-11-17T12:37:33Z")
Hi, I tried to compile the sample from “\\internetpack\\Samples\\Oxygene\\Sample Server\\SampleServer.oxygene” with my litte IDE and tried to get rid of this errors: E: Type mismatch, cannot find operator to evaluate “Rem… --- ## [Last stable build of Elements (12.0.0.3025) broke internal methods](https://talk.remobjects.com/t/last-stable-build-of-elements-12-0-0-3025-broke-internal-methods/32398)
**Author:** [@Anderson\_Gregorio](https://talk.remobjects.com/u/Anderson_Gregorio)\ **Replies:** 9\ **Last updated:** [November 12, 2025, 11:01am UTC](https://talk.remobjects.com/t/last-stable-build-of-elements-12-0-0-3025-broke-internal-methods/32398 "2025-11-12T11:01:15Z")
Hi After installation of the Last Stable Version of Elements, the following methods calling, doesn’t work anymore method Engine.init; begin const Test; method initializeDataBase; begin result:= false; … --- ## [Compiler produces invalid .net executable](https://talk.remobjects.com/t/compiler-produces-invalid-net-executable/32379)
**Author:** [@Andreas\_Flucke](https://talk.remobjects.com/u/Andreas_Flucke)\ **Replies:** 3\ **Last updated:** [November 4, 2025, 5:07pm UTC](https://talk.remobjects.com/t/compiler-produces-invalid-net-executable/32379 "2025-11-04T17:07:01Z")
Hi, this little program shouldn’t be compilable and produces an invalid exe (Unbehandelte Ausnahme: System.InvalidProgramException: Die Common Language Runtime hat ein ungültiges Programm gefunden. (in German)) This li… --- ## [Some code errors in Island and RTL](https://talk.remobjects.com/t/some-code-errors-in-island-and-rtl/32275)
**Author:** [@mickwaterhouse](https://talk.remobjects.com/u/mickwaterhouse)\ **Replies:** 6\ **Last updated:** [October 9, 2025, 2:31am UTC](https://talk.remobjects.com/t/some-code-errors-in-island-and-rtl/32275 "2025-10-09T02:31:09Z")
I have found a three code errors and a for each bug when poking around in Oxygene with Windows as Target. I checked the source in IslandRTL and RTL2. SingleLinkedList does not update count when adding items. In Islan… [Next page](https://talk.remobjects.com/c/elements/oxygene/2.md?page=1)