'WebRequest.Create(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete.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

'WebRequest.Create(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete.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

'WebRequest.Create(string)' is obsolete: 'WebRequest, HttpWebRequest, ServicePoint, and WebClient are obsolete.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

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

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

'RNGCryptoServiceProvider' is obsolete: 'RNGCryptoServiceProvider is obsolete. To generate a random number, use one of the RandomNumberGenerator static methods instead.' (https://aka.ms/dotnet-warnings/SYSLIB0023)

'RNGCryptoServiceProvider' is obsolete: 'RNGCryptoServiceProvider is obsolete. To generate a random number, use one of the RandomNumberGenerator static methods instead.' (https://aka.ms/dotnet-warnings/SYSLIB0023)

'RijndaelManaged' is obsolete: 'The Rijndael and RijndaelManaged types are obsolete. Use Aes instead.' (https://aka.ms/dotnet-warnings/SYSLIB0022)

'RijndaelManaged' is obsolete: 'The Rijndael and RijndaelManaged types are obsolete. Use Aes instead.' (https://aka.ms/dotnet-warnings/SYSLIB0022)