The host object contains a variety of objects and services that your visual can use. This documentation is a high level description of the services available.
IVisualHost currently contains these services and will be expanded in the upcoming api versions.
export interface IVisualHost extends extensibility.IVisualHost {
colors: IColorInfo[];
createSelectionIdBuilder: () => visuals.ISelectionIdBuilder;
createSelectionManager: () => ISelectionManager;
allowInteractions: boolean;
}colors: IColorInfo[] - An array of default colors that your visual can use.
createSelectionIdBuilder: () => visuals.ISelectionIdBuilder - Generates and stores metadata for selectable items in your visual. Learn more about Selection Builder
createSelectionManager: () => ISelectionManager - The communication bridge used to notify the visual's host that there has been a change in the selection state. Learn more about Selection Manager
allowInteractions: boolean - a boolean flag which hints whether or not the visual should be interactive. Learn more about allowInteractions