SmoothingMode is not settable in some graphics contexts.

### Type of issue

Missing information

### Description

In some graphics contexts, such as printing, the SmoothingMode property is not settable. The Graphics object ignores any attempts to set SmoothingMode (no exception is thrown) and its value just remains "None".

Observed in the .NET Framework 4.8, have not tried in .NET.

### Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.drawing.graphics.smoothingmode?view=netframework-4.7.2&devlangs=csharp&f1url=%3FappId%3DDev17IDEF1%26l%3DEN-US%26k%3Dk(System.Drawing.Graphics.SmoothingMode)%3Bk(TargetFrameworkMoniker-.NETFramework%2CVersion%253Dv4.7.2)%3Bk(DevLang-csharp)%26rd%3Dtrue

### Content source URL

https://github.com/dotnet/dotnet-api-docs/blob/main/xml/System.Drawing/Graphics.xml

### Document Version Independent Id

840b0403-c168-9a77-8567-4fcd583d870f

### Article author

@dotnet-bot