dotnet/wpf

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WPF is a .NET Core UI framework for building Windows desktop applications.

Stars: 7.7k
Forks: 1.3k
Open beginner issues: 0
Indexed issues: 1.4k
Avg merge: 1d 11h
Merged PRs (30d): 61

Dominant language: C#
License: MIT
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Open All

1441 open issues indexed

WPF should not show the Touch Keyboard when focus is set with mouse or programatically to align with default Windows Behavior Open

Enhancement Requested

dotnet/wpf#3224 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add globbing support for WinUI Open

Question

dotnet/wpf#3245 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF pdbs should use SourceLink Open

Bug

dotnet/wpf#3270 · 7 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
The TreeViewItem cannot stretch correctly Open

Bug

dotnet/wpf#3282 · 0 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Check mark of checked MenuItem on ToolBar is not visible Open

Bug

dotnet/wpf#3287 · 3 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Enable DirectManipulation Open

API suggestion

dotnet/wpf#3294 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Expose more AutomationProperties Open

Enhancement Requested

dotnet/wpf#3296 · 0 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Data-bound TabControls don't select an initial tab item Open

Investigate

dotnet/wpf#3310 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
ExecutionEngineException when calling TextBox.Focus in TextInputStart Open

Bug

dotnet/wpf#3315 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Implement planned/partially-coded WpfGfx features to bring more parity with GDI+ drawing Open

Enhancement Requested

dotnet/wpf#3334 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
WM_DPICHANGED - WM_WINDOWPOSCHANGING - location windows WPF Open

dotnet/wpf#3343 · 14 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Maximized window hides automatically hiding taskbar Open

dotnet/wpf#3344 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
`Debug.Assert` no longer shows a dialog prompt Open

Bug

dotnet/wpf#3346 · 6 comments · 4 reactions · 1 assignee · Indexed Sep 15, 2026
WPF will have a touch offset after trun on the WM_Pointer message Open

area-Touch Bug

dotnet/wpf#3360 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF can not work well with set IsPressAndHoldEnabled to false when enable pointer message Open

dotnet/wpf#3379 · 4 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Dispatcher retains Window object, never to be released after being closed Open

Performance

dotnet/wpf#3384 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
CodeBehind with Data Binding vs CodeBehind without Data Binding Open

dotnet/wpf#3398 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Key of Style ignored if given after TargetType in MergedDictionary Open

dotnet/wpf#3399 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Dispatcher lifetime: why non-UI threads can't be used to safely create frozen Freezable objects Open

Design Discussion

dotnet/wpf#3412 · 4 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Add the ability to provide a native directx texture handle as an image source. Open

API suggestion

dotnet/wpf#3416 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
"ArcSegment" can't be drawn semi-circle correctly along the circle Open

dotnet/wpf#3419 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CollectionContainer does not support RelativeSource Open

Enhancement Requested

dotnet/wpf#3420 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
GenerateTemporaryTargetAssembly is case sensitive and drops metadata. Open

dotnet/wpf#3421 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
WPF: initial value of ComboBox with Grouping is set to first entry of ListCollectionView Open

Bug

dotnet/wpf#3438 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Animation of a 3D point over any 3D path in wpf Open

API suggestion

dotnet/wpf#3453 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Microsoft.WinFX.targets Unknown build error Could not find assembly 'mscorlib' Open

Bug Investigate

dotnet/wpf#3465 · 33 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
XamlGeneratedNamespace::GeneratedInternalTypeHelper should be non-public or uniquely named Open

Enhancement Requested needs more information

dotnet/wpf#3469 · 5 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Add inbox control for color picker Open

API suggestion

dotnet/wpf#3491 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Custom added files in obj folder not accessible with WindowsDesktop SDK Open

Bug

dotnet/wpf#3495 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Struct System.Windows.Size has non-optimal GetHashCode implementation Open

dotnet/wpf#3499 · 3 comments · 21 reactions · 0 assignees · Indexed Sep 15, 2026
RenderOptions.EdgeModeProperty EdgeMode.Alias with StreamGeometry crashes with UCEERR_RENDERTHREADFAILURE under Windows 10 Open

Bug

dotnet/wpf#3501 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Add property to hide Toolbar's Overflow Open

API suggestion

dotnet/wpf#3502 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
BitmapImage: app crash with FileFormatException when loading specific image and DecodePixelWidth Open

dotnet/wpf#3503 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
DataContext is "lost" for content of ScrollViewer when doing async stuff Open

dotnet/wpf#3504 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF content files don't work with single-file Open

Bug

dotnet/wpf#3516 · 4 comments · 4 reactions · 1 assignee · Indexed Sep 15, 2026
IDestinationTypeProvider.GetDestinationType() throws NullReferenceException when used in custom markup extension Open

dotnet/wpf#3521 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Provide a NuGet package for UIAutomation assemblies Open

Design Discussion Enhancement Requested

dotnet/wpf#3536 · 0 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Add ApplicationCommands.Exit Open

API suggestion

dotnet/wpf#3553 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
BitmapFrame.Create uses ImageCache even if BitMapCreateOptions.IgnoreImageCache is passed Open

Bug

dotnet/wpf#3557 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
With NET 5 RC2 SDK installed, "net5.0-windows" instead of "net5.0" should be displayed for winforms/wpf help description in CLI. Open

Bug

dotnet/wpf#3559 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Change taskbar icon at runtime on deployed app Open

Needs minimal repro project

dotnet/wpf#3590 · 21 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add Spacing property to StackPanel (similar to Uwp) Open

API suggestion Design Discussion

dotnet/wpf#3591 · 1 comment · 24 reactions · 0 assignees · Indexed Sep 15, 2026
Add RowSpacing and ColumnSpacing to Grid (similar to Uwp) Open

API suggestion Design Discussion

dotnet/wpf#3592 · 6 comments · 44 reactions · 0 assignees · Indexed Sep 15, 2026
Loss of blurry background of windows on resizing with SetWindowCompositionAttribute and windows 10 v2004 in WPF Open

.NET Framework Investigate

dotnet/wpf#3608 · 11 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Border contrast failures in High Contrast White Open

dotnet/wpf#3610 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
WPF - Provide a way for wpf applications to easily hide their windows from ALT+Tab Open

API suggestion

dotnet/wpf#3623 · 8 comments · 11 reactions · 0 assignees · Indexed Sep 15, 2026
WPF - Putting a window into fullscreen severely degrades performance Open

Performance

dotnet/wpf#3626 · 19 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
WPF - Easier way to fullscreen Open

API suggestion Design Discussion

dotnet/wpf#3627 · 20 comments · 15 reactions · 0 assignees · Indexed Sep 15, 2026
RichTextBox insert text application will crash Open

Bug

dotnet/wpf#3630 · 20 comments · 21 reactions · 1 assignee · Indexed Sep 15, 2026
Proposal: Extensibility hooks in generated main Open

API suggestion Design Discussion

dotnet/wpf#3632 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026

dotnet/wpf

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