2.7 Title split

A title split splits off left and top title views. The title views scroll in a special manner, most suitable to keep column and row titles into view, as in a spreadsheet. The figure shows (dimmed in the background) a planboard application, written in 4D CAD.

Programming

• Zooming a view also zooms the other views, but these views need a zoom anchor point that determines from which point they are zoomed
• Often, it will be desirable to limit the scroll range of a view, so that for example column and row titles don’t show up in the main view. The box that can be viewed is called the goggle box
• Horizontal and vertical title split scroll bars are optional
• You can set up a top-only or left-only title split
• Remember that even with a title split, there is only one drawing. A view is merely a way to look at it.

Methods
CADGetTitleSplit, CADSetTitleSplit, CADZoom, CADAutoZoom, CADGetZoom, CADScroll, CADScrollTo, CADGetScroll.