Method XbpBrowse():panUp() Foundation

Scrolls down up line.

:panUp( [<nRows>] ) --> self
<nRows> is a numeric value which specifies the number of lines the visible area is scrolled. This parameter is optional and defaults to 1.

:panUp() returns a reference to the XbpBrowse object.


:panUp() scrolls the visible area of the browse window upwards and reads a new value for the first data row from the data source. If the first data row is already visible, the browse window remains unchanged.

The position of the browse cursor is not changed by :panUp(). Therefore, the code block assigned to the :hitTopBlock instance variable is not evaluated when scrolling reaches the top of the display.

The changes applied by the :panUp() method will not be visible until the browse is stabilized. Use :forceStable() to make the changes become visible immediately.


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