Additional namespace information: Overview, Class Diagram

The Application namespace is the starting point for ArcGIS Explorer customization. The application namespace contains six abstract classes from which each type of Add-In can be derived, and application classes that enable you to provide application-specific functionality.

Classes

	Class	Description
	Application	Represents an instance of the ArcGIS Explorer application, providing access to the current MapDisplay, and to other application and document properties and events.
	Button	Inherit this abstract class to create a button which can be displayed on the Ribbon; this allows you to execute code when the user clicks the button.
	CheckBox	Inherit this abstract class to create a checkbox which can be displayed on the Ribbon; this allows you to execute code when the user clicks the checkbox.
	ComboBox	Inherit this abstract class to create a combobox which can be displayed on the Ribbon; this allows you to display a choice of items in the combobox and execute code when the user clicks one of the items in the combobox.
	ComboItem	Represents a single item shown in a combobox , consisting of an image, caption, tag, and a group label for a subgroup within the combobox.
	ComboItemCollection	Represents the collection of comboitems in a combobox.
	DockWindow	Inherit this class to display a custom button on the Ribbon that when clicked opens a dockable window; this allows you to provide customized user interface components in the application.
	Extension	Inherit this abstract class to create a custom extension; this class will be instantiated when the application starts up, allowing you to execute code.
	Gallery	Inherit this abstract class to display a custom gallery on the Ribbon; this allows you to display a choice of items in the gallery and execute code when the user clicks one of the items in the gallery.
	GalleryItem	Represents a single item shown in a Gallery, consisting of an image, caption, tooltip, and a caption for a subgroup within the Gallery.
	GalleryItemCollection	Represents the collection of GalleryItems in a Gallery.
	Presentation	Represents a Presentation which is a collection of slides and facilities for capturing and presenting those slides.
	PresentationOptions	Represents the options for controlling the behaviors, content, and appearance of the presentation.
	ProgressHelper	Displays a progress dialog when a lengthy operation is taking place on the user interface thread.
	SelectedItemsCollection	The collection of MapItems which are selected in the Contents window.

Enumerations

	Enumeration	Description
	ColorScheme	Specifies the color schemes supported by the ArcGIS Explorer application.
	PresentationMode	Specifies the presentation modes of the application.