[Overview][Constants][Types][Classes][Procedures and functions][Index] | Reference for unit 'ComCtrls' (#lcl)

# TCustomTreeView.ExpandSignColor

Color used to paint expand / collapse (fold / unfold) indicators for tree nodes.

## Declaration

Source position: comctrls.pp line 3763

`public property TCustomTreeView.ExpandSignColor : TColor read FExpandSignColor write FExpandSignColor default clWindowFrame;`

## Description

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.

## See also

TCustomTreeView.DoPaintNode |  | Renders the specified tree node to the canvas for the control.
TCustomTreeView.ExpandSignType |  | Sets the drawing style for the expand / collapse (fold/unfold) indicators for tree nodes.
TTreeNode.HasChildren |  | Indicates whether the tree node has child nodes.
TTreeViewExpandSignType |  | Represents symbols types used for expanded or collapsed tree nodes.
TColor |  | Color type used by most LCL drawing functions.
TCustomControl.Canvas |  | The drawing surface for the control.