# ATTR_COLLAPSED_IMAGE_INDEX (Control)

Type: | Control attribute
Description: | The index into the tree's image list that specifies which image to use to indicate a collapsed item. A collapsed item is one that has children that aren't exposed. If the attribute is set to -1, then the tree will use the default image (a box containing a plus sign).
Control Types: | Trees.
Data Type: | integer
Default Value: | -1