Event XbpTreeView():itemExpanded Foundation

The level below the current item is displayed.

:itemExpanded := {| oItem, aRect, self | ... }
:itemExpanded ( <oItem>, <aRect> ) --> self
xbeTV_ItemExpanded (1049090)
<oItem> is the XbpTreeViewItem object whose sub-items (leaves) became visible in the tree view.
<aRect> := { nX1, nY1, nX2, nY2 }
<aRect> is an array with four elements. They contain the xy-coordinates for the lower left and upper right corner of <oItem>. The origin for the coordinates is the lower left corner of the XpbTreeView object.

This method returns the object executing the method (self).


The event xbeTV_ItemExpanded is created after the sub-items of an XbpTreeViewItem object became visible in the display. This is achieved by clicking the Plus sign with the left mouse button, or when the Plus key or right arrow key is pressed.


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