The type or namespace name 'Speech' does not exist in the namespace 'System' (are you missing an assembly reference?)

The type or namespace name 'SpeechSynthesizer' could not be found (are you missing a using directive or an assembly reference?)

The type or namespace name 'Speech' does not exist in the namespace 'System' (are you missing an assembly reference?)

The type or namespace name 'SpeechSynthesizer' could not be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

Unreachable code detected

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

The variable 'gray' is declared but never used

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Unreachable code detected

The type name 'tesseract' only contains lower-cased ascii characters. Such names may become reserved for the language.

'WebRequest.CreateHttp(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)

'WebRequest.CreateHttp(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)

'WebRequest.CreateHttp(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete. Use HttpClient instead.' (https://aka.ms/dotnet-warnings/SYSLIB0014)