'TEditColor.PackedValue' does not need a CLSCompliant attribute because the assembly does not have a CLSCompliant attribute

'TEditColor.TEditColor(uint)' does not need a CLSCompliant attribute because the assembly does not have a CLSCompliant attribute

'TEditColor.TransparentBlack' is obsolete: 'Use Color.Transparent instead. In future versions this method can be removed.'

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

Field 'RectangleInt32.emptyRectangle' is never assigned to, and will always have its default value

Field 'RectangleFloat.emptyRectangle' is never assigned to, and will always have its default value

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The variable 'ex' is declared but never used

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.