The result of the expression is always 'true' since a value of type 'KeyCode' is never equal to 'null' of type 'KeyCode?'

The variable 'e' is declared but never used

Unreachable code detected

The variable 'e' is declared but never used

Unreachable code detected

The variable 'e' is declared but never used

'BaseListener' is obsolete: 'Use patch instead'

The variable 'e' is declared but never used

'MultiTabWindow<T>.CreateWindow(string, string)' hides inherited member 'AutoLayoutWindow<T>.CreateWindow(string, string)'. Use the new keyword if hiding was intended.