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Clipboard.ContainsText behaves differently in .NET8 .NET9 .NET10

area-ClipboardIssues related to ClipboardIssues related to Clipboard

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14172 In dotnet/winforms;

· a-solovyev-dx opened on Dec 26, 2025

Do not create image masks in <code>ImageList</code> when using 32-bit color depth (or provide a way to disable it)

area-System.DrawingSystem.Drawing issuesSystem.Drawing issues

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14171 In dotnet/winforms;

· xPaw opened on Dec 25, 2025

PropertyGrid: PropertyGridView.DoubleClickRow - IndexOutOfRangeException

area-controls-PropertyGridPropertyGrid and editor related issuesPropertyGrid and editor related issues

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14170 In dotnet/winforms;

· ulfemsoy opened on Dec 24, 2025

PropertyGrid: PropertyGridView.OnMouseWheel - IndexOutOfRangeException

area-controls-PropertyGridPropertyGrid and editor related issuesPropertyGrid and editor related issues

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14169 In dotnet/winforms;

· ulfemsoy opened on Dec 24, 2025

[HDPI] Cursor editor some items are not displayed in propertyGrid with special DPI settings

area-HDPIHDPI, not specific to Dpi mode of appHDPI, not specific to Dpi mode of app

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14167 In dotnet/winforms;

· Zheng-Li01 opened on Dec 24, 2025

Runtime: MaskedTextBox Text editor is not scaled correctly under High DPI (300%), while Design-time editor works fine

area-HDPIHDPI, not specific to Dpi mode of appHDPI, not specific to Dpi mode of app

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14165 In dotnet/winforms;

· Olina-Zhang opened on Dec 24, 2025

TabPage Collection Editor: Up/Down buttons do not update enabled state correctly for first/last TabPage

needs-area-label

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14160 In dotnet/winforms;

· Olina-Zhang opened on Dec 23, 2025

[Dark Mode] The Spinner button of Tabcontrol not in DarkMode when adding the TabPage items by using TabPages property in the PropetyGrid control

area-DarkModeIssues relating to Dark Mode featureIssues relating to Dark Mode feature

Status: Open.

#14159 In dotnet/winforms;

· Zheng-Li01 opened on Dec 23, 2025

[Dark Mode] The button background shouldn't have the status change when mouse over it after setting the UseVisualStyleBackColor as false

💥 regression-releaseRegression from a public releaseRegression from a public release

area-DarkModeIssues relating to Dark Mode featureIssues relating to Dark Mode feature

Status: Open.

#14155 In dotnet/winforms;

· Zheng-Li01 opened on Dec 22, 2025

SendKeys.SendWait will throw could not load type OsVersion exception

needs-area-label

untriagedThe team needs to look at this issue in the next triageThe team needs to look at this issue in the next triage

Status: Open.

#14145 In dotnet/winforms;

· lindexi opened on Dec 16, 2025

[Dark Mode] Incorrect HighlightText system color

area-DarkModeIssues relating to Dark Mode featureIssues relating to Dark Mode feature

Status: Open.

#14140 In dotnet/winforms;

· Camel-RD opened on Dec 15, 2025

The "Add new Object Data Source" link &amp; description shouldn't display in the DropDown panel for the DataSource &amp; DisplayMember properties in the propertiGird

needs-area-label

Status: Open.

#14132 In dotnet/winforms;

· Zheng-Li01 opened on Dec 11, 2025