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ModernFormsNext v1.5.0

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@github-actions github-actions released this 26 Jun 18:14
· 329 commits to master since this release
v1.5.0
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Full Changelog: v1.4.0...v1.5.0

[1.5.0] - 2026-06-26

Compared with [1.4.0], this release focuses on WinForms compatibility, accessibility, and text rendering polish. It adds a new MaskedTextBox control, introduces a WinForms-style accessibility surface, exposes that accessibility model through the Windows MSAA backend, and fixes font-style rendering so controls honor bold, italic, and underline style information more consistently.

Published packages:

  • ModernFormsNext
  • ModernFormsNext.Templates
  • ModernFormsNext.WindowKit
  • ModernFormsNext.WindowKit.Backend
  • ModernFormsNext.WindowKit.Backend.Windows

Added

  • Added MaskedTextBox, a full ModernFormsNext control built on top of the existing TextBox infrastructure.
  • Added mask editing support backed by System.ComponentModel.MaskedTextProvider, including typed input, paste handling, deletion, selection replacement, prompt characters, literals, password display, overwrite mode, and validation.
  • Added WinForms-compatible MaskedTextBox API surface for migration scenarios, including:
    • Mask, MaskedTextProvider, MaskCompleted, MaskFull
    • TextMaskFormat, CutCopyMaskFormat, PromptChar, PasswordChar, UseSystemPasswordChar
    • AllowPromptAsInput, AsciiOnly, SkipLiterals, ResetOnPrompt, ResetOnSpace
    • InsertKeyMode, IsOverwriteMode, RejectInputOnFirstFailure
    • Culture, FormatProvider, ValidatingType, ValidateText
    • MaskInputRejected, TypeValidationCompleted, MaskChanged, IsOverwriteModeChanged
  • Added compatibility enums and event types used by MaskedTextBox:
    • MaskFormat
    • InsertKeyMode
    • HorizontalAlignment
    • MaskInputRejectedEventArgs
    • MaskInputRejectedEventHandler
    • TypeValidationEventArgs
    • TypeValidationEventHandler
  • Added a MaskedTextBox page to ControlGallery with common examples such as phone numbers, dates, postal codes, license-style input, password-style masked input, and rejected-input feedback.
  • Added a WinForms-style accessibility object model:
    • AccessibleObject
    • AccessibleEvents
    • AccessibleNavigation
    • AccessibleRoles
    • AccessibleSelection
    • AccessibleStates
    • Control.ControlAccessibleObject
    • PlatformAccessibleObjectAdapter
  • Added accessibility-related control APIs and event plumbing so controls can expose accessible names, descriptions, roles, states, default actions, navigation, selection, and help.
  • Added platform accessibility contracts in ModernFormsNext.WindowKit, including IPlatformAccessibilityHost and IPlatformAccessibilityService.
  • Added a Windows MSAA bridge in the Windows backend so the ModernFormsNext accessibility model can be exposed to platform accessibility clients.
  • Added WinForms-like help infrastructure:
    • Help
    • HelpEventArgs
    • HelpEventHandler
    • HelpNavigator
    • HelpProvider
  • Added internal property-store support used by the new compatibility/accessibility surface.

Changed

  • Extended TextBox with protected editing hooks so derived controls can reuse rendering, caret movement, selection, focus, and clipboard routing while replacing text-editing behavior.
  • Updated TextBoxRenderer to render the document display text, allowing derived text controls to show prompts, literals, password characters, and placeholders through the same rendering path.
  • Improved font-style propagation through control styles, text measurement, text layout, and renderer paths.
  • Updated font dialog/gallery behavior to reflect the improved font-style model.
  • Updated several controls to participate in the new accessibility surface.
  • Bumped the shared package version from 1.4.0 to 1.5.0.

Fixed

  • Fixed TextBoxDocument.MaxLength so assigning a new value updates the backing maximum length correctly.
  • Fixed text rendering paths so controls honor full font-style information more consistently.
  • Fixed compatibility behavior for text display paths that need to distinguish raw text from rendered display text.

Removed

  • No public APIs were removed in this release.

Compatibility Notes

  • MaskedTextBox is intended to make WinForms migrations easier and intentionally includes several WinForms-compatible members that are currently compatibility stubs, such as AcceptsTab, CanUndo, Undo, ClearUndo, ScrollToCaret, and WordWrap.
  • MaskedTextBox.BeepOnError is preserved as API, but ModernFormsNext does not yet expose a platform-neutral system-beep service. Rejected input still raises MaskInputRejected.
  • Accessibility is now represented in shared framework code and exposed through the Windows backend. Other backend implementations may need additional platform-specific work before they expose the same accessibility behavior to native accessibility clients.
  • The release is backward-compatible with 1.4.0 from a public API perspective. It is a minor release because it adds new public framework API.

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