[Workspaces] Migrate Editor from WPF to WinUI 3#49077
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…PO/singleton checks, window state persistence, hotkey toggle, IconHelper.
…data templates with Expanders, search/sort, app position editing, save/cancel navigation
…pture flow: minimize → capture dialog → snapshot tool → edit page.
…I, update module interface to launch from WinUI3Apps subfolder, eelete old WPF WorkspacesEditor project
…pshot in OnClosed if already captured
…s shown during capture, due to WinUI limiation for multi-window support
…, sort/position ComboBoxes, CLI TextBox, position fields, editor heading, and snapshot description for screen reader support
…indow size persistence across DPI-scaled monitors
… there is a flyout
…ot work for winui
chatasweetie
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Area-User Interface
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Thank you for contributing to PowerToys. We've detected that this PR might include a new or modified telemetry event. Please ensure the following before merging:
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…m/microsoft/PowerToys into workspaces-editor-winui-migration # Conflicts: # src/modules/Workspaces/WorkspacesEditor.WinUI/Views/MainPage.xaml # src/modules/Workspaces/WorkspacesEditor.WinUI/Views/MainWindow.xaml # src/modules/Workspaces/WorkspacesEditor.WinUI/Views/SnapshotWindow.xaml # src/modules/Workspaces/WorkspacesEditor.WinUI/Views/WorkspacesEditorPage.xaml # src/modules/Workspaces/WorkspacesEditor.WinUI/WorkspacesEditor.WinUI.csproj
This was referenced Jul 2, 2026
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Summary of the Pull Request
Migrates the Workspaces Editor from WPF (System.Windows) to WinUI 3 (Microsoft.UI.Xaml / Windows App SDK), completing the Workspaces module WinUI modernization.
PR Checklist
Detailed Description of the Pull Request / Additional comments
DISABLE_XAML_GENERATED_MAIN, GPO check, singleton mutexDispatcherQueue/DispatcherTimerfor UI thread operationsAppWindowfor window sizing, positioning, min-size enforcementObservableObject,[ObservableProperty],[RelayCommand]StrongReferenceMessengerfor View↔ViewModel decoupling (8 message types){x:Bind}on MainPage,{Binding}on WorkspacesEditorPage (see lessons learned below)OverlayBorder.cs— 4 opaque WinUI windows per monitor with DWM chrome removal)AutomationProperties.Name,HeadingLevel,LiveSetting,ListViewfor list semantics, contextual button labelsMVVM Architecture
NavigateToEditorMessage,GoBackMessageShowSnapshotWindowMessage,MinimizeWindowMessage,RestoreWindowMessageCloseApplicationMessageSnapshotWindowfully decoupled — communicates viaSnapshotCapturedMessage/SnapshotCancelledMessageValidation Steps Performed
workspace-editor-winui-migration.mp4