.NET version

.NET version

.NET 10.0.100-preview5.25266.103

Did it work in .NET Framework?

No

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

No

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

No, also repro in .NET 9.0 which it started to be supported.

Issue description

Issue description

MDIParent MainMenuStrip Bitmaps draw with light Colors

Steps to reproduce

1. Create a winforms .NET Core project.
2. Enable DarkMode by Application.SetColorMode(SystemColorMode.Dark) in Program.cs file.
3. Build and run MDIParent.