Allows using TIdHttp component (Indy) to download external images when loading files.
TRVAIndyDownloadInterface = class (TRVACustomDownloadInterface);
TRVAIndyDownloadInterface has property: IdHttp. Assign TIdHttp component to this property, and actions will use it to download images. If this property is not assigned, a temporary TIdHttp component is created each time when an action needs to download an image.
The TRichView installer installs this component automatically if Indy is already installed.
Indy components are included in Delphi, or can be downloaded from http://www.indyproject.org.