droppable-onto-self

Arguments: widget

Should return true if and only if an application allows dropping control onto itself during a drag-and-drop gesture. The default method returns nil, but an application may add droppable-onto-self methods to allow particular controls to be dropped onto themselves.

See drag-and-drop.

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Documentation for Allegro CL version 8.1. This page was not revised from the 8.0 page.
Created 2009.7.29.