Non-nullable property 'Title' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'NativeWindow' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

The variable 'prevOffset' is assigned but its value is never used

'FormatterServices' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

'FormatterServices' is obsolete: 'Formatter-based serialization is obsolete and should not be used.' (https://aka.ms/dotnet-warnings/SYSLIB0050)

Non-nullable field '_buttons' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

The local function 'Filter' is declared but never used

The event 'DummyInputContext.ConnectionChanged' is never used

The event 'HeadlessWindow.FileDropped' is never used