Columns and rows are not refreshed in the TableLayoutPanel after you click the X to close the Column and Row Styles dialog in the NET481 DemoConsole application

[MelonWang1]

.NET version

Branch Issue_12830_Multi-Target_DemoConsole from Ricardo WinForms Repo

Did it work in .NET Framework?

Yes

Did it work in any of the earlier releases of .NET Core or .NET 5+?

This issue caused by the #12996, works well in .NET DemoConsole application. Has previous .NET GH issue: 2508.

Issue description

Columns and rows are not refreshed in the TableLayoutPanel after you click the X to close the Column and Row Styles dialog in the NET481 DemoConsole application.

Current Behavior (.NET Framework 4.8.1):

actual.mp4

Expected Behavior (.NET 10):

expected.mp4

Steps to reproduce

1. Run the test the sample app: DemoConsole in Ricardo WinForms Repo Issue_12830_Multi-Target_DemoConsole branch.
2. Switch to "TabCotrol and TableLayoutPanel" tab.
3. Click the Edit Rows and Columns... in TableLayoutPanel smart tag to open the Column and Row Styles dialog.
4. Click the X in the top-right corner to close the dialog.
5. Click the Add Column in smart tag and observe the columns in TableLayoutPanel control.

[ricardobossan]

Works fine in the Designer, so closing for now. We can revisit if there's a customer request.