RAD Studio VCL Reference
TCustomListControl.GetItemIndex Method

Returns the value of the ItemIndex property.

function GetItemIndex: Integer; virtual; abstract;
virtual __fastcall int GetItemIndex() = 0;

Override GetItemIndex to provide the read implementation for the ItemIndex property. GetItemIndex returns the index of the selected item, where the first item in the list has index 0, the second item has index 1, and so on. If no item is selected, GetItemIndex returns -1. If the list control supports multiple selected items, GetItemIndex returns the index of the selected item that has focus. 


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