winforms

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While opening the dialog box using the properties, the dialog box appeared behind the application.

1

**Environment** Visual Studio Professional 2022 - version 17.14.18 **.NET version** .NET 8 **Issue description** We are attempting to open the OpenFileDialog box using the properties of the panel, but the...

ArunKumarSF4054

Improve Message Box in WinForms

3

Fixes #12044 ## Proposed changes - Style, localize Message Box and add some public API to use custom icon. ## Screenshots ### Before  ### After ![لقطة...

memoarfaa

### .NET version latest .NET 10.0 build ### Did it work in .NET Framework? No ### Did it work in any of the earlier releases of .NET Core or .NET...

Zheng-Li01

While EnableVisualStyles is false, MonthCalendar HitTest() does not return a valid HitTestInfo when clicking anywhere on the control.

2

### .NET version Tested in current versions: .NET8, .NET9 and .NET10, and the issue exists in all versions. ### Did it work in .NET Framework? Yes ### Did it work...

ChristopherDShea

Possible incorrect use of "NOT ... OR ..." pattern

6

Our internal tools are flagging these blocks of code as potentially improper use of the `not ... or ...` pattern matching syntax. https://github.com/dotnet/winforms/blob/2f677f9560b5258212c721c17f1e8803581608d7/src/System.Windows.Forms.Design/src/System/ComponentModel/Design/ByteViewer.cs#L173-L177 See https://github.com/dotnet/roslyn/issues/75506 for more information on why...

GrabYourPitchforks

GC hole in EnumExtensions.cs

1

See https://github.com/dotnet/razor/pull/12549 (specifically Dustin's comment at https://github.com/dotnet/razor/pull/12549#pullrequestreview-3536137873) for context.

GrabYourPitchforks

ComboBox.ObjectCollection.CopyTo(Array destination, int index) copies Entry object, not inner item

4

### .NET version .NET 8, 10 etc. ### Did it work in .NET Framework? Yes ### Did it work in any of the earlier releases of .NET Core or .NET...

abbweiman

Preserve callstack when using Control.BeginInvoke with MethodInvoker

2

### Background and motivation In an application we have the following code: ```vbnet Private Sub MyControl_LookUpEdit_EditValueChanged(sender As Object, e As EventArgs) Handles MyControl_LookUpEdit.EditValueChanged BeginInvoke(New MethodInvoker(AddressOf AfterMyControlChange)) End Sub ``` It...

elachlan

I'm implementing CI/CD for a couple applications using GithubActions in GHES with a self-hosted runner and I've been facing this problem "An error occurred while validating. HRESULT = '80004005'" for...

FrankBatista09

### .NET version latest .NET 10.0 build ### Did it work in .NET Framework? Yes ### Did it work in any of the earlier releases of .NET Core or .NET...

Zheng-Li01