- Added conditional compilation for .NET Framework.
- Made `GeneralViewer`, `WanEnvironment`, and `DeletedWho` properties required with appropriate attributes.
- Renamed `UseridFkIntEcm` to `UserIdFkIntEcm` and marked it as required.
- Changed `DeletedWhen` to a non-nullable `DateTime`.
- Removed previously ignored columns, activating them in the class definition.
TekH
06ad3516f1