# ATTR_DFLT_INDEX

Type: | Control attribute
Description: | The index of the label/value pair or tab page that is marked as selected when the panel is loaded or when you call DefaultCtrl or DefaultPanel. The index is a zero-based value that represents the position of the label/value pair or tab page in the control.
Control Types: | Binary switches, list boxes, picture rings, rings, ring slides, tab controls, trees.
Data Type: | integer