HostApplicationBuilder Constructors

Definition

Namespace:

Microsoft.Extensions.Hosting

Assembly:

Microsoft.Extensions.Hosting.dll

Package:

Microsoft.Extensions.Hosting v9.0.0-preview.3.24172.9

Overloads

HostApplicationBuilder()	Initializes a new instance of the HostApplicationBuilder class with preconfigured defaults.
HostApplicationBuilder(HostApplicationBuilderSettings)	Initializes a new instance of the HostApplicationBuilder class.
HostApplicationBuilder(String[])	Initializes a new instance of the HostApplicationBuilder class with preconfigured defaults.

HostApplicationBuilder()

Source:

HostApplicationBuilder.cs

Initializes a new instance of the HostApplicationBuilder class with preconfigured defaults.

public:
 HostApplicationBuilder();

public HostApplicationBuilder ();

Public Sub New ()

Remarks

The following defaults are applied to the returned HostApplicationBuilder:

• Set the ContentRootPath to the result of GetCurrentDirectory().
• Load host IConfiguration from "DOTNET_" prefixed environment variables.
• Load host IConfiguration from supplied command line arguments.
• Load app IConfiguration from 'appsettings.json' and 'appsettings.[EnvironmentName].json'.
• Load app IConfiguration from User Secrets when EnvironmentName is 'Development' using the entry assembly.
• Load app IConfiguration from environment variables.
• Load app IConfiguration from supplied command line arguments.
• Configure the ILoggerFactory to log to the console, debug, and event source output.
• Enables scope validation on the dependency injection container when EnvironmentName is 'Development'.

HostApplicationBuilder(HostApplicationBuilderSettings)

Source:

HostApplicationBuilder.cs

Initializes a new instance of the HostApplicationBuilder class.

public:
 HostApplicationBuilder(Microsoft::Extensions::Hosting::HostApplicationBuilderSettings ^ settings);

public HostApplicationBuilder (Microsoft.Extensions.Hosting.HostApplicationBuilderSettings? settings);

new Microsoft.Extensions.Hosting.HostApplicationBuilder : Microsoft.Extensions.Hosting.HostApplicationBuilderSettings -> Microsoft.Extensions.Hosting.HostApplicationBuilder

Public Sub New (settings As HostApplicationBuilderSettings)

Parameters

settings

HostApplicationBuilderSettings

Settings that specify initial configuration and whether default settings should be used.

HostApplicationBuilder(String[])

Source:

HostApplicationBuilder.cs

Initializes a new instance of the HostApplicationBuilder class with preconfigured defaults.

public:
 HostApplicationBuilder(cli::array <System::String ^> ^ args);

public HostApplicationBuilder (string[]? args);

new Microsoft.Extensions.Hosting.HostApplicationBuilder : string[] -> Microsoft.Extensions.Hosting.HostApplicationBuilder

Public Sub New (args As String())

Parameters

args

String[]

The command line arguments.

Remarks

The following defaults are applied to the returned HostApplicationBuilder:

• Set the ContentRootPath to the result of GetCurrentDirectory(),
• Load host IConfiguration from "DOTNET_" prefixed environment variables,
• Load host IConfiguration from supplied command line arguments.
• Load app IConfiguration from 'appsettings.json' and 'appsettings.[EnvironmentName].json'.
• Load app IConfiguration from User Secrets when EnvironmentName is 'Development' using the entry assembly.
• Load app IConfiguration from environment variables.
• Load app IConfiguration from supplied command line arguments.
• Configure the ILoggerFactory to log to the console, debug, and event source output.
• Enable scope validation on the dependency injection container when EnvironmentName is 'Development'.