# ATTR_PANEL_FIRST_CTRL

Type: | Panel attribute
Description: | The ID of the first control on the panel. The panel attribute ATTR_PANEL_FIRST_CTRL returns the lowest control ID that exists in the panel. When you call GetCtrlAttribute on this first control ID, ATTR_NEXT_CTRL returns the next higher control ID in the panel. On the last control, ATTR_NEXT_CTRL returns zero. Use the panel attribute ATTR_NUM_CTRLS to get the total number of controls in a panel.
Restrictions: | Not settable.
Data Type: | integer