TShellTreeView.ExpandSignColor property
Declaration
property ExpandSignColor: ;Description
Not described here; this is what TCustomTreeView.ExpandSignColor says of it:
Color used to paint expand / collapse (fold / unfold) indicators for tree nodes.
ExpandSignColor is a
TColor property with the color
used to paint the expand / collapse indicators for tree nodes on the control.
The default value for the property is
clWindowFrame.
ExpandSignColor is used in the DoPaintNode method to render a TTreeNode instance with child node(s). It is assigned as the Pen color in Canvas, and controls the color of the lines drawn for the indicator. When ExpandSignType is set to tvestArrowFill, it is assigned as the Brush color in Canvas, and controls the fill color for the indicator.
An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.
