AlterNET Studio

Extend your WinForms and WPF .NET apps with code editing, scripting and user interface designing capabilities.

Published by AlterNET Software
Distributed by ComponentSource since 2021

Prices from: US$ 979.02 Version: v10.0.7 Updated: Feb 6, 2026

Screenshot of AlterNET Studio

AlterNET Studio Releases

Released: Apr 24, 2024

Updates in v9.5.4

Features

  • CreateLanugageClient/InitClientOptions methods have been made virtual in LSP Parser's Workspace so a developer can override them and extend initial Workspace settings.

Fixes

  • The bug with the Exception dialog displayed when a user has stopped TypeScript script debugging has been fixed.
  • Incorrect Region/Endregion templates have been removed from the XML parser IntelliSense.

Released: Mar 22, 2024

Updates in v9.5.3

Features

  • Improved TextEditor control selection searching.
  • Intellisense for lambda expression has been implemented for advanced C# and Visual Basic parsers.

Fixes

  • Fixed issue with the Visual Basic Roslyn parser conditionals symbols like Debug=True, or MyConst = 1.
  • Regression issue: A missing set method for VsControlsTheme.Painter has been restored.

Released: Feb 24, 2024

Updates in v9.5.2

Features

  • Smart-indentation is now supported for C/C++, Java, Lua, PowerShell, and R LSP parsers.
  • Find results control now supports 'ShowLineNumbers', 'ShowFileNames', 'ShowFilePath' and 'ShowSource' options.
  • SyntaxEdit control selection search has been improved.
  • Python scripting now supports typed global items.

Fixes

  • Fixed the bug with SyntaxEdit’s 'Gutter.OnClick' not called if line numbers displayed on the gutter.

Released: Feb 2, 2024

Updates in v9.5.1

Fixes

  • Fixed the bug with the incorrect position of the IME window when typing in the SyntaxEdit control while CodeCompletionWindow is displayed.
  • Fixed the bug with the incorrect indentation when pressing Enter after a sing-line comment in Roslyn parsers.
  • Fixed the bug with the Minimap tooltip crashing in case of lines containing tab characters.
  • Fixed the bug with re-loading already loaded assemblies when copying references during .NET script compilation.
  • Fixed the bug with the LSP C parser using...
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Released: Dec 25, 2023

Updates in v9.5

Features

  • Support for Microsoft .NET 8 across all component libraries - All AlterNET Studio core libraries, NuGet packages, and demo projects have been updated to support .NET 8.
  • LSP Parsers improvements - Added a new LSP-based parser for R statistical language and upgraded syntax highlighting for LSP parsers to use TextMate syntax schemes.
  • Form Designer Improvements - Implemented missing component designers for FlowLayoutPanel, TableLayoutPanel, SplitPanel, TabControl, and DataGridView under...
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Released: Nov 28, 2023

Updates in v9.1.3

Fixes

  • Fixed regression issue with running WPF projects containing a dot (.) in the project name.
  • Fixed bug when auto-indentation not using Roslyn indentation service in the Microsoft Visual Basic parser.
  • Fixed bug with LineNumberstart of TextEditor accepting negative values.
  • Fixed exception when collecting types via reflection to be used in code completion in XAML documents.
  • Fixed bug compiling WPF SDK projects by scripter when using AlterNET Studio libraries for Microsoft .NET 6/7.

Released: Nov 17, 2023

Updates in v9.1.2

Features

  • Improved syntax parser error recovery.
  • WindowsForms FormDesigner TypeResolution service can now be extended to provide custom control designers.
  • Navigation combo-boxes now show properties, events, enums and interfaces.
  • Added 'AcceptOnLostFocus' flag, allowing code completion entries to be accepted when a completion window is closed due to losing focus.

Fixes

  • Bug replacing square to round brackets when evaluating string values in Visual Basic expression evaluator has been fixed.
  • Bug with...
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Released: Oct 27, 2023

Updates in v9.1.1

Features

  • New MiniMap properties:
    • AutoDrag - allows users to resize.
    • AutoScroll - scroll with the mouse.

Fixes

  • Fixed the bug with MiniMap overlapping the characters at the end of the line.
  • Fixed the bug with cut/paste/delete menu items being enabled in case the text editor is in read-only mode.
  • Fixed the bug with incorrect display when setting different visual themes for different WPF Text editors.
  • Fixed the bug with the incorrect display of parameter types in the method combobox for Visual Basic...
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Released: Sep 29, 2023

Updates in v9.1

Features

  • Code Fix/Code Refactoring is now supported for Roslyn C# and Visual Basic parsers
    • Code Fix allows users to fix certain kinds of errors, like implementing interfaces, fixing typos, or adding missing namespaces in the using list, while code refactor helps modify code to make it easier to maintain, understand, and extend, but without changing its behavior.
    • When code fix/code refactoring is available for the current position within the code, Code Editor now displays a special code-action...
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Released: Sep 6, 2023

Updates in v9.0.3

Fixes

  • Fixed the bug with the incorrect display of scrollbar annotations for the modified lines in case Code Editor contains collapsed code.
  • Fixed the issue with debugging scrips compiled as DLL and the host application compiled with .NET 6/7.
  • Fixed the bug with Text editor rendering when setting Outlining.AllowOutlining from code.
  • Fixed the bug with saving keyboard shortcuts in Customize demo.
  • Some redundant Code Editor keyboard shortcuts have been removed.