# AlterNET UI Support **URL:** https://forum.alternet-ui.com/c/alternet-ui-support/6.md [Latest](https://forum.alternet-ui.com/latest.md) · [Categories](https://forum.alternet-ui.com/categories.md) · [Tags](https://forum.alternet-ui.com/tags.md) --- ## [About the AlterNET UI Support category](https://forum.alternet-ui.com/t/about-the-alternet-ui-support-category/256)
**Author:** [@yevgeni.zolotko](https://forum.alternet-ui.com/u/yevgeni.zolotko)\ **Replies:** 0
--- ## [Not able to run any app on a previous version of GLIBC (Ubuntu 24.04/Mint 22.3)](https://forum.alternet-ui.com/t/not-able-to-run-any-app-on-a-previous-version-of-glibc-ubuntu-24-04-mint-22-3/294)
**Author:** [@crisim1976](https://forum.alternet-ui.com/u/crisim1976)\ **Replies:** 2\ **Last updated:** [August 26, 2026, 1:56pm UTC](https://forum.alternet-ui.com/t/not-able-to-run-any-app-on-a-previous-version-of-glibc-ubuntu-24-04-mint-22-3/294 "2026-08-26T13:56:20Z")
I’m trying to run the samples provided in GitHub - alternetsoft/alternet-ui-examples: Code examples for AlterNET UI: a cross-platform .NET UI Framework · GitHub but even if i can compile them i cannot run them 'cause the… --- ## [Problem when closing a window programmatically](https://forum.alternet-ui.com/t/problem-when-closing-a-window-programmatically/291)
**Author:** [@JohnnyG](https://forum.alternet-ui.com/u/JohnnyG)\ **Replies:** 8\ **Last updated:** [July 22, 2026, 7:41am UTC](https://forum.alternet-ui.com/t/problem-when-closing-a-window-programmatically/291 "2026-07-22T07:41:57Z")
Perhaps my understanding isn’t correct, but after reading the Window section in the docs I would expect calling the window.Close() method should result in the following. If WindowCloseAction is None Window stays open,… --- ## [ListBox not native looking](https://forum.alternet-ui.com/t/listbox-not-native-looking/283)
**Author:** [@whoamongst](https://forum.alternet-ui.com/u/whoamongst)\ **Replies:** 5\ **Last updated:** [November 5, 2025, 4:30am UTC](https://forum.alternet-ui.com/t/listbox-not-native-looking/283 "2025-11-05T04:30:47Z")
How come the ListBox looks like this on macOS: This is not the native look right? It looks better in your docs: Thanks --- ## [AlterNET UI 0.9.735 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-735-beta/281)
**Author:** [@generalloki](https://forum.alternet-ui.com/u/generalloki)\ **Replies:** 0\ **Last updated:** [June 12, 2025, 8:09am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-735-beta/281 "2025-06-12T08:09:49Z")
What’s New in 0.9.720 - 0.9.735 :rocket: Important Improvements VirtualListBox: Fully implemented inside the library using C#. ListView: Fixed scrollbar rendering on Windows. Fixed modal dialog behavior. ListView: HasBo… --- ## [AlterNET UI 0.9.719 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-719-beta/280)
**Author:** [@generalloki](https://forum.alternet-ui.com/u/generalloki)\ **Replies:** 0\ **Last updated:** [April 3, 2025, 1:02am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-719-beta/280 "2025-04-03T01:02:06Z")
What’s New in 0.9.718 - 0.9.719 Update Summary Added support for the Linux ARM64 platform. Updated the library to use wxWidgets 3.2.7 and Microsoft.Web.WebView2 1.0.3124.44. MAUI: Implemented the SimpleTreeView control. … --- ## [AlterNET UI 0.9.717 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-717-beta/279)
**Author:** [@generalloki](https://forum.alternet-ui.com/u/generalloki)\ **Replies:** 0\ **Last updated:** [March 24, 2025, 3:58am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-717-beta/279 "2025-03-24T03:58:02Z")
What’s New in 0.9.711–0.9.717 MAUI: Created the following views: SimpleTabControlView, SimpleDialogTitleView, LogContentPage, EnumPickerView, TitleWithTwoButtonsView, BaseLogView, CollectionLogView. Added SimpleToolBarV… --- ## [AlterNET UI 0.9.7 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-7-beta/278)
**Author:** [@generalloki](https://forum.alternet-ui.com/u/generalloki)\ **Replies:** 0\ **Last updated:** [February 19, 2025, 6:56am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-7-beta/278 "2025-02-19T06:56:45Z")
Main Improvements: AlterNET UI now supports .NET 9, MAUI 9, and SkiaSharp 3. Improved MAUI support across the library alongside with WxWidgets. New controls: TextBoxAndButton (TextBox with buttons and image on the righ… --- ## [AlterNET UI 0.9.6 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-6-beta/277)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [August 14, 2024, 6:50am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-6-beta/277 "2024-08-14T06:50:33Z")
We’ve just released a new beta of AlterNET UI. Here’s what’s new: Abstraction Layer: The core framework now separates UI control logic from platform-specific rendering. This allows Alternet.UI controls to work seamle… --- ## [AlterNET UI 0.9.5 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-5-beta/276)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [January 30, 2024, 11:51pm UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-5-beta/276 "2024-01-30T23:51:05Z")
Hi, We’ve just released a new beta of AlteRNET UI, supporting the development of the cross-platform AlterNET Studio Code Editor, adding new controls, adding missing properties to the existing controls, fixing known bugs… --- ## [AlterNET UI 0.9.4 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-4-beta/275)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [October 16, 2023, 2:36am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-4-beta/275 "2023-10-16T02:36:08Z")
Hi, We have just released AlterNET UI 0.9.4, focusing on new controls, adding missing properties to the existing controls, fixing known bugs, and improvements. Kind regards, Dmitry --- ## [Not able to run application on Ubuntu](https://forum.alternet-ui.com/t/not-able-to-run-application-on-ubuntu/274)
**Author:** [@alexkaos](https://forum.alternet-ui.com/u/alexkaos)\ **Replies:** 4\ **Last updated:** [October 13, 2023, 6:26am UTC](https://forum.alternet-ui.com/t/not-able-to-run-application-on-ubuntu/274 "2023-10-13T06:26:05Z")
Hi, I am starting to use AlterNET UI 0.9.3 but I am getting troubles when I compile and run application on Ubuntu. I think that some dependencies are missing but I cannot find any reference in the documentation about t… --- ## [AlterNET UI 0.9.3 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-3-beta/272)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [August 11, 2023, 5:06am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-3-beta/272 "2023-08-11T05:06:28Z")
Hi everyone, We have just released AlterNET UI 0.9.3. It mainly focuses on adding missing features to the existing controls, a few new controls, fixing known bugs, and minor improvements. Read more about this beta here… --- ## [AlterNET UI 0.9.2 beta](https://forum.alternet-ui.com/t/alternet-ui-0-9-2-beta/271)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [July 11, 2023, 2:33am UTC](https://forum.alternet-ui.com/t/alternet-ui-0-9-2-beta/271 "2023-07-11T02:33:27Z")
We have just released AlterNET UI Beta 0.9.2, one of the last betas before public release. In this beta, we have added a few missing controls and fixed bugs with the Framework and Visual Studio Extension. We have also … --- ## [Which open-source applications should be migrated to Alternet UI?](https://forum.alternet-ui.com/t/which-open-source-applications-should-be-migrated-to-alternet-ui/270)
**Author:** [@neoxeo](https://forum.alternet-ui.com/u/neoxeo)\ **Replies:** 1\ **Last updated:** [March 4, 2023, 10:21am UTC](https://forum.alternet-ui.com/t/which-open-source-applications-should-be-migrated-to-alternet-ui/270 "2023-03-04T10:21:17Z")
Hi, The idea of this post is to create a list of the projects we want to “migrate”, projects in progress and projects already available with Alternet UI for community. The goal is to share with others, ask help, discus… --- ## [Error with previewer](https://forum.alternet-ui.com/t/error-with-previewer/269)
**Author:** [@neoxeo](https://forum.alternet-ui.com/u/neoxeo)\ **Replies:** 4\ **Last updated:** [February 6, 2023, 5:47am UTC](https://forum.alternet-ui.com/t/error-with-previewer/269 "2023-02-06T05:47:12Z")
Hi, I have an error with the previewer. Code works fine but have no preview available. Here is the code : \ **Author:** [@neoxeo](https://forum.alternet-ui.com/u/neoxeo)\ **Replies:** 7\ **Last updated:** [January 13, 2023, 2:39am UTC](https://forum.alternet-ui.com/t/small-tool-to-help-winforms-migration/268 "2023-01-13T02:39:26Z") Hi, Happy new year for all ! I want to “migrate” a Winforms application to AlterNet UI to be used with Windows, MacOS and Linux. This application contain a lot of forms. I don’t want to open each one to analyze if it … --- ## [Some ideas for Alternet UI](https://forum.alternet-ui.com/t/some-ideas-for-alternet-ui/267)
**Author:** [@neoxeo](https://forum.alternet-ui.com/u/neoxeo)\ **Replies:** 2\ **Last updated:** [January 7, 2023, 2:59am UTC](https://forum.alternet-ui.com/t/some-ideas-for-alternet-ui/267 "2023-01-07T02:59:58Z")
Hi, Here is some ideas to helps us :slight\_smile : tool to help to migrate Winforms to Alternet UI. It can take as input, a xxx.designer.cs file, analyze content and convert to UIXML file. Even if it can’t do all the … --- ## [Do you have plan to add designer?](https://forum.alternet-ui.com/t/do-you-have-plan-to-add-designer/266)
**Author:** [@neoxeo](https://forum.alternet-ui.com/u/neoxeo)\ **Replies:** 1\ **Last updated:** [January 2, 2023, 7:56pm UTC](https://forum.alternet-ui.com/t/do-you-have-plan-to-add-designer/266 "2023-01-02T19:56:01Z")
Hi, You have designer for Winforms and WPF. Do you have plan to add a designer for AlterNet UI components to have the possibilty to add/ove/remove components on design “form” ? Thanks --- ## [Great components, but AlterNET is not positioned for the future of rich editors](https://forum.alternet-ui.com/t/great-components-but-alternet-is-not-positioned-for-the-future-of-rich-editors/265)
**Author:** [@ChrisCoble](https://forum.alternet-ui.com/u/ChrisCoble)\ **Replies:** 2\ **Last updated:** [December 19, 2022, 5:06pm UTC](https://forum.alternet-ui.com/t/great-components-but-alternet-is-not-positioned-for-the-future-of-rich-editors/265 "2022-12-19T17:06:48Z")
Hello, AlterNET has some great controls we badly need, but they are on a technology platform which is quickly becoming legacy for Enterprise applications. While for the past several decades rich desktop applications ha… --- ## [AlterNET UI Beta 4 - What you see is what you get](https://forum.alternet-ui.com/t/alternet-ui-beta-4-what-you-see-is-what-you-get/263)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [October 6, 2022, 1:29am UTC](https://forum.alternet-ui.com/t/alternet-ui-beta-4-what-you-see-is-what-you-get/263 "2022-10-06T01:29:39Z")
We have just released AlterNET UI Beta 4, the last beta before public release. AlterNET UI Beta 4 adds important features like drag-n-drop and clipboard support, common dialogs, exception handling and upmost, the visual… --- ## [Why AlternetUI?](https://forum.alternet-ui.com/t/why-alternetui/262)
**Author:** [@hummy123](https://forum.alternet-ui.com/u/hummy123)\ **Replies:** 1\ **Last updated:** [September 30, 2022, 8:59am UTC](https://forum.alternet-ui.com/t/why-alternetui/262 "2022-09-30T08:59:49Z")
Hi there, I’m reviewing the cross-platform UI frameworks for .NET currently and wanted to know what makes Alternet UI different. Here are the cross-platform UI frameworks I know of: Uno Platform An attempt to bring W… --- ## [AlterNET UI Beta 3](https://forum.alternet-ui.com/t/alternet-ui-beta-3/261)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [June 21, 2022, 2:08am UTC](https://forum.alternet-ui.com/t/alternet-ui-beta-3/261 "2022-06-21T02:08:41Z")
We have just released AlterNET UI Beta 3. We have implemented important features like menus, keyboard shortcuts, commands, modal windows, advanced window management, and more. --- ## [AlterNET UI Beta 2](https://forum.alternet-ui.com/t/alternet-ui-beta-2/260)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [May 30, 2022, 3:56am UTC](https://forum.alternet-ui.com/t/alternet-ui-beta-2/260 "2022-05-30T03:56:54Z")
We have recently released a second beta of AlterNET UI. AlterNET UI Beta 2 brings major improvements and infrastructural changes to the following areas: Layout system, extended with Grid and StackPanel layouts, allowi… --- ## [AlternetUi vs Avalonia](https://forum.alternet-ui.com/t/alternetui-vs-avalonia/259)
**Author:** [@ashaabanahmed](https://forum.alternet-ui.com/u/ashaabanahmed)\ **Replies:** 1\ **Last updated:** [January 19, 2022, 9:12am UTC](https://forum.alternet-ui.com/t/alternetui-vs-avalonia/259 "2022-01-19T09:12:44Z")
why I should migrate to AlterNet UI ? --- ## [Welcome to AlterNET UI Community Forum](https://forum.alternet-ui.com/t/welcome-to-alternet-ui-community-forum/258)
**Author:** [@dmitry.medvedev](https://forum.alternet-ui.com/u/dmitry.medvedev)\ **Replies:** 0\ **Last updated:** [November 13, 2021, 10:35am UTC](https://forum.alternet-ui.com/t/welcome-to-alternet-ui-community-forum/258 "2021-11-13T10:35:52Z")
This forum might look empty, but this is the right place to ask question or offer suggestions related to AlterNET UI features, development, examples and tutorials. Dmitry