application-host-administration-interfaces.md

title	Application Host Administration Interfaces
description	Learn how the API provides read and write access to configuration data and read access to the configuration schema.
ms.date	10/07/2016
ms.assetid	e222d822-4d00-431a-8fc4-e09496636681

Application Host Administration Interfaces

This section describes the API that provides read and write access to configuration data and read access to the configuration schema.

In This Section

The following methods were supported in IIS 7.0:

Interface	Description
IAppHostAdminManager	Provides read-only access to effective data in the [!INCLUDEiisver] configuration system.
IAppHostChangeHandler	Provides notifications of changes to the physical files in the [!INCLUDEiisver] configuration.
IAppHostChildElementCollection	Represents the child configuration elements that are nested within the current element.
IAppHostCollectionSchema	Represents a schema for a collection in the [!INCLUDEiisver] configuration system.
IAppHostConfigException	Represents an exception in the [!INCLUDEiisver] configuration system.
IAppHostConfigFile	Represents a configuration file in the [!INCLUDEiisver] configuration system.
IAppHostConfigLocation	Represents a configuration location in the [!INCLUDEiisver] configuration system.
IAppHostConfigLocationCollection	Provides access to a collection of configuration locations in the [!INCLUDEiisver] configuration system.
IAppHostConfigManager	Provides access to the physical configuration files in the [!INCLUDEiisver] configuration system.
IAppHostElement	Represents a single element in the [!INCLUDEiisver] configuration system.
IAppHostElementCollection	Represents a collection of IAppHostElement Interface objects.
IAppHostElementSchema	Represents the schema of a configuration element.
IAppHostMappingExtension	Extends the configuration system mapping functionality.
IAppHostPathMapper	Maps [!INCLUDEiisver] configuration paths to file system paths.
IAppHostProperty	Represents a property of a configuration element.
IAppHostPropertyCollection	Represents a collection of properties.
IAppHostPropertyException	Indicates that the configuration system has thrown an exception when it validates a property against the configuration schema.
IAppHostPropertySchema	Provides access to the attributes that define the schema for a property.
IAppHostSectionDefinition	Provides access to the attributes that define the behavior of a configuration section.
IAppHostSectionDefinitionCollection	Represents a collection of configuration sections definitions.
IAppHostSectionGroup	Provides access to a group of configuration section groups or configuration section definitions.
IAppHostWritableAdminManager	Provides read/write access to explicit data in the [!INCLUDEiisver] configuration system.

The following methods were supported in IIS 7.5:

Interface	Description
IAppHostElementSchemaCollection Interface	Represents a collection of IAppHostElementSchema Interface objects.
IAppHostPropertySchemaCollection Interface	Represents a collection of IAppHostPropertySchema Interface objects.
IAppHostElementExtension Interface	Used to handle element extensions in the [!INCLUDEiisver] configuration system.
IAppHostPropertyExtension Interface	Used to handle property extensions in the [!INCLUDEiisver] configuration system.
IAppHostMethodInstance Interface	Provides methods that access a specific invocation instance of the corresponding IAppHostMethod Interface.
IAppHostMethod Interface	Provides access to a custom method that is optionally supported on an IAppHostElement Interface object.
IAppHostMethodExtension Interface	Used to handle method extensions in the [!INCLUDEiisver] configuration system.
IAppHostMethodCollection Interface	Represents a collection of methods.
IAppHostConstantValue Interface	Provides methods that access the string names of a specific constant and its corresponding integer value.
IAppHostConstantValueCollection Interface	Represents a collection of constants.
IAppHostPathMapper2 Interface	Provides methods that are called by the server implementation when the server informs the client about the hierarchy mapping decisions

See Also

Application Host Administration API Reference