Standard HTML Tables do not have scroll bars like list boxes in GUI applications. CA Gen has the ability to create a custom control, list box, which has scroll bars with a scrolling thumb associated with HTML tables. This approach complies with the GUI feel of the applications you are porting to the Web.
The scrolling thumb appears whenever the display area happens to be too small (vertically or horizontally) for displaying the available number of rows or columns. The scrolling thumb's length corresponds to the percentage of the rows displayed (the length of the thumb is inversely proportional to the length of the text). The thumb's position determines which part of the text is being viewed.
You can click the scrolling thumb and slide the mouse upward or downward (or left or right for horizontal scrolling) to cause the text in the list box to move accordingly.
The list boxes in CA Gen provide single and multiple selection capabilities. For multiple selection list boxes, extended selection is also available. Extended selection lets you select a row, then press the Shift or Control keys and select other rows. This feature is only available for list boxes on Internet Explorer. Extended selection is not supported on Mozilla Firefox or for drop down lists, Enterable list boxes, or Varying or Fixed Size Tables.
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