cSelectInvertSelection Method

Deselects all selected objects and selects all unselected objects; that is, it inverts the selection

Namespace:  ETABS2016
Assembly:  ETABS2016 (in ETABS2016.dll) Version: 16.0.0.0 (16.0.0.0)
Syntax
int InvertSelection()

Return Value

Type: Int32
Returns zero if the selection is successfully inverted, otherwise it returns nonzero
Remarks