KB10234 - Make label appear as a callout or speech bubble.
Handlers can be assigned to labels, to present the label to look like a callout or speech bubble relative to a marker location, like this:
layer.OnPaintShapeLabel := mypaintlabel;
or/and
layer.OnLabelPos := mylabelpos;
Created: November 21, 2003, Modified: December 17, 2015