Microsoft.Extensions.Configuration.EnvironmentVariables An environment variable based . Initializes a new instance. Initializes a new instance with the specified prefix. A prefix used to filter the environment variables. Loads the environment variables. Generates a string representing this provider name and relevant details. The configuration name. Represents environment variables as an . A prefix used to filter environment variables. Builds the for this source. The . A Extension methods for registering with . Adds an that reads configuration values from environment variables. The to add to. The . Adds an that reads configuration values from environment variables with a specified prefix. The to add to. The prefix that environment variable names must start with. The prefix will be removed from the environment variable names. The . Adds an that reads configuration values from environment variables. The to add to. Configures the source. The . Attribute used to indicate a source generator should create a function for marshalling arguments instead of relying on the runtime to generate an equivalent marshalling function at run-time. This attribute is meaningless if the source generator associated with it is not enabled. The current built-in source generator only supports C# and only supplies an implementation when applied to static, partial, non-generic methods. Initializes a new instance of the . Name of the library containing the import. Gets the name of the library containing the import. Gets or sets the name of the entry point to be called. Gets or sets how to marshal string arguments to the method. If this field is set to a value other than , must not be specified. Gets or sets the used to control how string arguments to the method are marshalled. If this field is specified, must not be specified or must be set to . Gets or sets whether the callee sets an error (SetLastError on Windows or errno on other platforms) before returning from the attributed method. Specifies how strings should be marshalled for generated p/invokes Indicates the user is suppling a specific marshaller in . Use the platform-provided UTF-8 marshaller. Use the platform-provided UTF-16 marshaller.