Occurs when the user selects the menu "Toolbar / Windows - Thumbnail Window" command.
Syntax
Visual Basic
Public Event OnWindowThumbnailStart()
Remarks
The user has clicked on the "Toolbar / Windows - Thumbnail Window" menu item. When this
occurs, Prizm Viewer will first generate the "OnWindowThumbnailStart" event, then toggle
the checkmark for the Thumbnail docking window open / closed on the menu and show / hide
the docking window, then generate the "OnWindowThumbnailFinish" event.