WinForms Controls v24.1 Released

Announcements Forum

Posted 3 months ago by Actipro Software Support - Cleveland, OH, USA

A major new version of the Actipro WinForms controls is now available.   This version includes modernized renderers with a new Visual Studio Blue color schemes, massive improvements to SyntaxEditor's theme system including easier dark themes support, C# 9.0 syntax support in the .NET Languages Add-on, and much more.

Detailed Update List


  • Added modern Visual Studio renderers.
  • Improved how MetroStatusBarRenderer draws the resize gripper. Added new StatusBarGripperLightColor and StatusBarGripperDarkColor properties to replace single StatusBarGripperForeColor property.
  • Improved toolbar separator rendering across multiple renderers to be more accurate.
  • Renamed VisualStudio2002BarRenderer as WindowsClassicBarRenderer.
  • Renamed Office2003BarRenderer as OfficeClassicBarRenderer.
  • Renamed VisualStudio2002StatusBarRenderer as WindowsClassicStatusBarRenderer.
  • Renamed VisualStudio2005StatusBarRenderer as VisualStudioClassicStatusBarRenderer.
  • Renamed Office2003StatusBarRenderer as OfficeClassicStatusBarRenderer.


  • Added modern Visual Studio renderers.
  • Renamed VisualStudio2002DockRenderer as WindowsClassicDockRenderer.
  • Renamed VisualStudio2002DocumentWindowTabStripRenderer as WindowsClassicDocumentWindowTabStripRenderer.
  • Renamed VisualStudio2002ToolWindowTabStripRenderer as WindowsClassicToolWindowTabStripRenderer.
  • Renamed VisualStudio2005DockRenderer as VisualStudioClassicDockRenderer.
  • Renamed VisualStudio2005DocumentWindowTabStripRenderer as VisualStudioClassicDocumentWindowTabStripRenderer.
  • Renamed VisualStudio2005ToolWindowTabStripRenderer as VisualStudioClassicToolWindowTabStripRenderer.
  • Renamed Office2003DockRenderer as OfficeClassicDockRenderer.
  • Renamed Office2003DocumentWindowTabStripRenderer as OfficeClassicDocumentWindowTabStripRenderer.
  • Renamed Office2003ToolWindowTabStripRenderer as OfficeClassicToolWindowTabStripRenderer.
  • Renamed VisualStudioTabStripRenderer as VisualStudioTabStripRendererBase.
  • Deprecated all Visual Studio 2005 Beta 2 renderers with plans to remove in a future release.


  • Renamed Office2003NavigationBarRenderer as OfficeLunaNavigationBarRenderer.
  • Renamed Office2007NavigationBarRenderer as OfficeClassicNavigationBarRenderer.


  • Added native support to switch between light and dark themes using distinct color palettes for each theme intent.
  • Added SyntaxEditorThemeManager to simplify the process of switching between light and dark themes.
  • Added SyntaxEditor.IsCurrentLineNumberHighlightingEnabled feature that will render the current line number in a style defined by DisplayItemClassificationTypeProvider.LineNumberCurrent.
  • Added built-in Operator and Punctuation IClassificationType instances to ClassifictionTypes.
  • Added BuiltInClassificationTypesProvider that will automatically register highlighting styles for built-in IClassificationType instances defined in ClassificationTypes.
  • Added Punctuation classification type to sample language definitions (where appropriate).
  • Added DisplayItemClassificationTypes.WordWrapGlyph to separate the word wrap glyph color from the visible white space color.
  • Added MarkdownDeleted classification type and highlighting style to the free Markdown language project and definition files.
  • Added support for primary and secondary carets to render with different brushes based on corresponding highlighting styles.
  • Updated collapsible region foreground, current line background/border, delimiter matching background, and find match highlight background colors to render with a default opacity when configured with opaque colors.
  • Updated NavigableSymbolSelector to automatically invalidate itself when renderer-related properties of the assocaited SyntaxEditor control are changed.
  • Fixed word wrap glyphs not rendered in printer usage scenarios.
  • Fixed printer rendering when syntax highlighting was enabled and the editor was configured for use with a dark theme.
  • Changed the system font used for overlay panes to better support system text sizes and DPI scaling.
JavaScript Language Add-on
  • Added Punctuation classification type.
  • Fixed Operator classification type not being applied.
.NET Languages Add-on
  • Updated the C# parser grammar to support C# 9.0 syntax.
  • Updated the Roslyn extensions to use the latest Microsoft.CodeAnalysis.Compilers v4.8 NuGet package.
  • Improved resolver support for C# local functions.
  • Improved documentation comment display in IntelliPrompt to support 'para' and 'br' tags.
  • Added Punctuation classification type.
  • Fixed Operator classification type not being applied.
Python Language Add-on
  • Added support for IntelliPrompt to use type hint annotations.
  • Improved the resolver's ability to resolve types within external modules that were defined in other modules.
  • Added Punctuation classification type.
  • Fixed Operator classification type not being applied.


  • Added UIRendererManager.ColorSchemeChanged event that is raised when the UIRendererManager.ColorScheme property is changed.
  • Added several enhancements to the UIColor class with support for additional color types, grayscale conversion, and chromatic adaptation.
  • Renamed WindowsXPScrollBarRenderer as WindowsScrollBarRenderer.
  • Fixed an issue in the nativer rendering logic related to clip rectangles.


  • API documentation is based on assemblies that target .NET 6 (previously .NET Framework).
  • The Sample Browser application included with the installer changed target from .NET Framework 4.7.2 to .NET 6.
  • Removed official support for Visual Studio 2017 although users should still be able to continue using the IDE for their own applications. Sample Browser requires Visual Studio 2019 or newer.
  • Added new Visual Studio Blue color scheme and modern Visual Studio renderers.
  • Removed all previously deprecated "metro light" renderers that were replaced by the unified "metro" renderers that support both dark and light.
  • Renamed WindowsColorSchemeType.VisualStudio2005 and WindowsColorScheme.VisualStudio2005 as VisualStudioClassic.
  • Renamed all WindowsColorSchemeType.Office2007* and WindowsColorScheme.Office2007* values as OfficeClassic (e.g., Office2007Blue renamed as OfficeClassicBlue).
  • Renamed most WindowsColorSchemeType.WindowsXP* and WindowsColorScheme.WindowsXP* values as Luna (e.g., WindowsXPBlue renamed as LunaBlue). WindowsXPRoyale has been deprecated since it replicates other classic themes and will be removed in a future release.

About WinForms Controls


All WinForms control licenses automatically include a free subscription for a year of free upgrades to any new versions that are released. At the end of the year, you may renew your license for another year to keep the free upgrade benefits active.

You can purchase our WinForms controls individually if you wish however you have the option to purchase all of them in the WinForms Studio bundle. Purchasing the bundle saves over purchasing all the controls individually. In addition, if you own a WinForms Studio license, you are automatically eligible to receive free licenses for any new control products added to WinForms Studio that come out within your year subscription period.

Evaluation Download

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If you own an older WinForms controls version and would like to upgrade to this latest version, please click the request a free upgrade link on your organization account page's 'Purchases and Licenses' tab. The link will appear there if your upgrade eligibility is active.

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