Toggles whether the service selector combo box in the upper-right-hand corner of the on-screen publishing dialog box is sensitive to input.
Publishers should make the service selector box insensitive to input when they are performing non-interruptible file or network operations, since switching to another publishing service will halt whatever service is currently running. Under certain circumstances, the PluginHost may not honor this request.
|is_locked||when is_locked is true, the service selector combo box is made insensitive. It appears greyed out and the user is prevented from switching to another publishing service. When is_locked is false, the combo box is sensitive, allowing the user to freely switch from the current service to another service.|