Unreachable code detected

Dereference of a possibly null reference.

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

Field 'MainPage.responseStream' is never assigned to, and will always have its default value null

The field 'MainPage.wormHoleArray' is never used

The field 'MainPage.playerID' is never used

The field 'MainPage.isPlaybackMode' is never used

The field 'MainPage.listOfWormhole' is never used

The field 'MainPage.unit' is never used

Non-nullable field 'cosXml' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

The variable 'ex' is declared but never used

Non-nullable field 'UserCodePostfix' must contain a non-null value when exiting constructor. Consider declaring the field as nullable.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Converting null literal or possible null value to non-nullable type.