dotnet/wpf

View on GitHub

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

Hidden cursor causes freezes Open

Bug

dotnet/wpf#2868 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Allow setting padding on DataGrid cells Open

API suggestion

dotnet/wpf#2874 · 0 comments · 11 reactions · 0 assignees · Indexed Sep 15, 2026
PenImc do not update when the cross thread main windows moved Open

Bug

dotnet/wpf#2892 · 3 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
BitmapImage - CheckCache public method Open

API suggestion

dotnet/wpf#2894 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Add first item to a collapsed DataGrid can cause the window stuck for a few second Open

Bug

dotnet/wpf#2896 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Port the .NET 5 winforms TaskDialog API to WPF Open

API suggestion

dotnet/wpf#2902 · 14 comments · 22 reactions · 0 assignees · Indexed Sep 15, 2026
Modal dialog on top of non-modal window sends main window to back Open

Bug

dotnet/wpf#2904 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
SatelliteDllsProjectOutputGroup should produce items with Culture metadata Open

Bug

dotnet/wpf#2914 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Certain MSBuild configuration causes _wpftmp build output directories to not be deleted after each build Open

Investigate WindowsDesktop SDK

dotnet/wpf#2930 · 37 comments · 22 reactions · 1 assignee · Indexed Sep 15, 2026
strange bug in FontFamily from ttf file Open

Bug

dotnet/wpf#2937 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Document licensing of PresentationNative, D3DCompiler, and WpfGfx in runtime.win-x86.microsoft.windowsdesktop.app Open

needs more information

dotnet/wpf#2939 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Under load, the WPF slider control's handle jumps far off from where the mouse cursor is Open

Bug

dotnet/wpf#2948 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature Request: Add data binding support for default interface properties (C# 8) Open

Enhancement Requested

dotnet/wpf#2959 · 14 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Exception in Stream.Close method causes AppDomain to unload while downloading a Bitmap Open

dotnet/wpf#2960 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
System.Windows.Controls.TextBox.GetCharacterIndexFromLineIndex returns increasingly incorrect values for larger line numbers Open

Bug

dotnet/wpf#2961 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
mouse over image inside DocumentPageView inside FixedPage throws ArgumentNullException Open

Bug

dotnet/wpf#2969 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
WPF apps raise timer resolution via timeBeginPeriod and never back down Open

Bug

dotnet/wpf#2970 · 4 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
print issue in WPF .net core 3.1 on Windows 8.1 Open

Bug

dotnet/wpf#2971 · 8 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Feature Request: Inner shadow Open

Enhancement Requested

dotnet/wpf#2972 · 6 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
WeakReferenceList behavior maybe no safe Open

Bug

dotnet/wpf#3012 · 1 comment · 6 reactions · 0 assignees · Indexed Sep 15, 2026
The PreviewTouchDown event is not raised if another window was shown before the main window Open

Bug

dotnet/wpf#3017 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Binding SelectedItem to a property named "Item" sometimes causes NRE Open

Bug

dotnet/wpf#3038 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Combo Box touch events not firing Open

Bug

dotnet/wpf#3040 · 0 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
DataGrid with active focus crashes when being disabled Open

Bug

dotnet/wpf#3054 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Known issue: WPF will throw COM Exception when create RenderTargetBitmap too fast Open

Enhancement Requested

dotnet/wpf#3067 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
.net core XamlWriter written System.Boolean objects are incompatible with .net4x XamlReader Open

Bug

dotnet/wpf#3069 · 0 comments · 2 reactions · 1 assignee · Indexed Sep 15, 2026
Reduce the binary size of the single file publish of .net core WPF Open

Enhancement Requested

dotnet/wpf#3070 · 10 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Why we custom the HashSet Open

Question

dotnet/wpf#3087 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Add Microsoft.Expression.Drawing Open

Enhancement Requested

dotnet/wpf#3097 · 4 comments · 17 reactions · 0 assignees · Indexed Sep 15, 2026
Positioning a window in WPF (Top and Left Properties) with dpiAwareness in PerMonitorV2 mode Open

dotnet/wpf#3105 · 20 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Adding Custom Dictionaries to WPF controls can cause perf issues by registering the same dictionary multiple times. Open

Bug

dotnet/wpf#3121 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
WPF should clean up temp dictionary files it creates when the app sets Custom Dictionaries on text controls Open

Bug

dotnet/wpf#3122 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
DragLeave event delivering wrong value for 'e.GetPosition(...)' Open

Bug

dotnet/wpf#3127 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF window and images take massive amount of memory compared to UWP Open

Performance

dotnet/wpf#3135 · 2 comments · 7 reactions · 0 assignees · Indexed Sep 15, 2026
Non-string x:Key ignored on DataTemplate, when DataType set. Open

Bug

dotnet/wpf#3137 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
SelectedItems property on DataGrid Open

Enhancement Requested

dotnet/wpf#3140 · 7 comments · 30 reactions · 0 assignees · Indexed Sep 15, 2026
.NET applications are crashing after the MCF application sets the FontWeight and FontType Open

.NET Framework Bug

dotnet/wpf#3143 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
WPF can not receive the touch message when set WS_EX_TRANSPARENT to window Open

area-Touch Bug

dotnet/wpf#3145 · 1 comment · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Crashed during debugging Open

Bug

dotnet/wpf#3146 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
The main thread of the WPF application that starts automatically at boot will forever wait for the touch thread to execute Open

area-Touch Bug

dotnet/wpf#3147 · 1 comment · 10 reactions · 0 assignees · Indexed Sep 15, 2026
OriginalSource is wrong when command is invoked on a ListBoxItem by key gesture Open

Bug

dotnet/wpf#3149 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Proposal: Add support for BorderMode in BlurEffect Open

Enhancement Requested

dotnet/wpf#3151 · 0 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
System.Xaml.XamlServices is not available on dotnet/runtime Open

Enhancement Requested

dotnet/wpf#3187 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Dashes in a line are drawn at a minimum 0.05px before scaling Open

Bug

dotnet/wpf#3190 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
Causes of WindowChrome flickering identified Open

Bug

dotnet/wpf#3193 · 10 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
PrintDialog can only be invoked from Application.Current.Dispatcher.CurrentThread Open

Bug

dotnet/wpf#3194 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Official mouse events for WM_MOUSEHWHEEL horizontal wheel scrolling are not defined yet Open

Enhancement Requested

dotnet/wpf#3201 · 5 comments · 25 reactions · 0 assignees · Indexed Sep 15, 2026
XamlReader.Load Failures Open

Investigate

dotnet/wpf#3206 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
PresentationNative DllImport workaround to SetLastErrror(0) to deal with ambiguous returns (eg NULL is both valid & err) can be removed Open

Enhancement Requested

dotnet/wpf#3214 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Replace use of `Marshal.SizeOf` with `sizeof` for blittable structs Open

Enhancement Requested

dotnet/wpf#3218 · 5 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026

dotnet/wpf

Get new issues in your inbox