HostApplicationBuilder Constructors

Definition

Namespace:

Microsoft.Extensions.Hosting

Assembly:

Microsoft.Extensions.Hosting.dll

Package:

Microsoft.Extensions.Hosting v9.0.0-rc.2.24473.5

Overloads

HostApplicationBuilder()	Initializes a new instance of the HostApplicationBuilder class with preconfigured defaults.
HostApplicationBuilder(HostApplicationBuilderSettings)	Initializes a new instance of the HostApplicationBuilder.
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 args
• 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 args
• 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.

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 controlling 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 args.

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 args
• 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 args
• 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'