List view

The ""cell error" icon can't be seen after selected the "CheckBox" cell of the DataGridView control

🪲 bugProduct bug (most likely)Product bug (most likely)

area-controls-DataGridView

help wantedGood issue for external contributorsGood issue for external contributors

Status: Open.

#1929 In dotnet/winforms;

· Zheng-Li01 opened on Sep 18, 2019

Unit test intermittently fails

test-bugProblem in test source code (most likely)Problem in test source code (most likely)

Status: Open.

#1460 In dotnet/winforms;

· Tanya-Solyanik opened on Jul 24, 2019

Failing unit test: SiteNestedContainer_Add_Unloading_Nop

test-bugProblem in test source code (most likely)Problem in test source code (most likely)

Status: Open.

#1151 In dotnet/winforms;

· AdamYoblick opened on Jun 18, 2019

Unit test fails after arcade update

test-bugProblem in test source code (most likely)Problem in test source code (most likely)

Status: Open.

#1030 In dotnet/winforms;

· AdamYoblick opened on May 23, 2019

cachedTypes in AssemblyNamesTypeResolutionService is unreachable

🪲 bugProduct bug (most likely)Product bug (most likely)

area-Serialization-Resx

tenet-compatibilityIncompatibility with previous versions or with WinForms for .NET FrameworkIncompatibility with previous versions or with WinForms for .NET Framework

Status: Open.

#229 In dotnet/winforms;

· Liminiens opened on Dec 11, 2018

RuntimeEnvironment.GetRuntimeInterfaceAsObject is not supported

area-COM

area-Interop

area-VSTOVisual Studio Tools for Office and general Office interopVisual Studio Tools for Office and general Office interop

tenet-compatibilityIncompatibility with previous versions or with WinForms for .NET FrameworkIncompatibility with previous versions or with WinForms for .NET Framework

Status: Open.

#247 In dotnet/winforms;

· kevingosse opened on Dec 16, 2018

Consider keyboard shortcut to opt in/opt out of tooltips on keyboard navigation

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#802 In dotnet/winforms;

· M-Lipin opened on Apr 16, 2019

Enable cross-thread checks by default

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#832 In dotnet/winforms;

· kevingosse opened on Apr 19, 2019

Conditional order of precedence (possible) bug in <code>AxHost.CanAccessProperties</code>

champion-requiredNeeds internal champion to shepherd issueNeeds internal champion to shepherd issue

code cleanupcleanup code for unused apis/properties/comments - no functional changes.cleanup code for unused apis/properties/comments - no functional changes.

Status: Open.

#1989 In dotnet/winforms;

· RussKie opened on Sep 30, 2019

Question: Are there plans to separate Visual Styles from the OS?

area-Theming

questionGeneral question, not a problem in source code or documentation (yet)General question, not a problem in source code or documentation (yet)

Status: Open.

#1855 In dotnet/winforms;

· mdtauk opened on Sep 10, 2019

FormClosed event is raised twice for owned modal window when owner window is closed programatically

🪲 bugProduct bug (most likely)Product bug (most likely)

help wantedGood issue for external contributorsGood issue for external contributors

Status: Open.

#2451 In dotnet/winforms;

· tcostin opened on Nov 29, 2019

Performance issue with localizable controls and forms

area-Serialization-Resx

tenet-localizationSuggested translations of resources; notification requiring translations; internationalizationSuggested translations of resources; notification requiring translations; internationalization

tenet-performanceImprove performance, flag performance regressions across core releasesImprove performance, flag performance regressions across core releases

Status: Open.

#2427 In dotnet/winforms;

· OliaG opened on Nov 25, 2019

<code>MonthCalendar</code> incomplete hightlight of today date

🪲 bugProduct bug (most likely)Product bug (most likely)

external-OS-issueIssue caused by an external OS component such as Common Controls.Issue caused by an external OS component such as Common Controls.

help wantedGood issue for external contributorsGood issue for external contributors

Status: Open.

#2662 In dotnet/winforms;

· RussKie opened on Jan 8, 2020

MDI child form with ContainerControl/SplitContainer control activation bug: the control that gets focus is not the one that was previously focused

🪲 bugProduct bug (most likely)Product bug (most likely)

Status: Open.

#2799 In dotnet/winforms;

· Vino-Wang opened on Feb 3, 2020

Control.CreateHandle should specify dpiAwarenessContext (of current thread) in Application.ParkHandle

🪲 bugProduct bug (most likely)Product bug (most likely)

area-HDPI-SAIssues related to high DPI SystemAware modeIssues related to high DPI SystemAware mode

Status: Open.

#2279 In dotnet/winforms;

· chenxinyanc opened on Nov 4, 2019

NativeWindow AssignHandle/ReleaseHandle should use Set/RemoveWindowSubclass

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#2380 In dotnet/winforms;

· schoedl opened on Nov 18, 2019

Update documentation and guides related to WinForms Accessibility

📚 documentationOpen issue here - https://github.com/dotnet/dotnet-api-docs/issuesOpen issue here - https://github.com/dotnet/dotnet-api-docs/issues

tenet-accessibilityMAS violation, UIA issue; problems with accessibility standardsMAS violation, UIA issue; problems with accessibility standards

Status: Open.

#2884 In dotnet/winforms;

· M-Lipin opened on Feb 19, 2020

Double-clicking the text in the custom webbrowser component that put into SplitContainer cannot be selected

🪲 bugProduct bug (most likely)Product bug (most likely)

help wantedGood issue for external contributorsGood issue for external contributors

Status: Open.

#2910 In dotnet/winforms;

· Marie-Shi opened on Feb 26, 2020

Flaky tests: <code>GroupBoxTests.GroupBox_FlatStyle_SetWithCustomOldValueWithHandleWithVisualStyles_GetReturnsExpected</code>

test-bugProblem in test source code (most likely)Problem in test source code (most likely)

Status: Open.

#2856 In dotnet/winforms;

· RussKie opened on Feb 14, 2020

MessageDecoder.MsgToString is missing several values defined in <code>WM_</code>

code cleanupcleanup code for unused apis/properties/comments - no functional changes.cleanup code for unused apis/properties/comments - no functional changes.

help wantedGood issue for external contributorsGood issue for external contributors

Status: Open.

#2759 In dotnet/winforms;

· hughbe opened on Jan 23, 2020

Run API Compat tool for .NET Framework 4.8 and .NET Core 3.1

enhancementProduct code improvement that does NOT require public API changes/additionsProduct code improvement that does NOT require public API changes/additions

Status: Open.

#3012 In dotnet/winforms;

· JuditRose opened on Mar 25, 2020

DataObject.GetData(FileContents) returns null

🪲 bugProduct bug (most likely)Product bug (most likely)

area-ClipboardIssues related to ClipboardIssues related to Clipboard

Status: Open.

#3026 In dotnet/winforms;

· asklar opened on Apr 1, 2020

The height of the "DropDown" list for the combobox control can't be reset default height after called the " comboBox1.Items.Clear();" method

🪲 bugProduct bug (most likely)Product bug (most likely)

help wantedGood issue for external contributorsGood issue for external contributors

Status: Open.

#339 In dotnet/winforms;

· Jessie-Zhang01 opened on Jan 21, 2019

Remove workaround for facade reference

Status: Open.

#3106 In dotnet/winforms;

· weltkante opened on Apr 21, 2020

Touch Support

api-suggestion(1) Early API idea and discussion, it is NOT ready for implementation(1) Early API idea and discussion, it is NOT ready for implementation

investigateItems we want to investigate before making a decision on an issueItems we want to investigate before making a decision on an issue

Status: Open.

#2998 In dotnet/winforms;

· fahadabdulaziz opened on Mar 20, 2020