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TCustomListBox.GetIndexAtXY function

Member of TCustomListBoxpublicIn unit StdCtrls

Gets the index for the item at the given client coordinates.

Declaration

pascal
function GetIndexAtXY(X: Integer; Y: Integer): Integer

Arguments

X

The X client coordinate.

Y

The Y client coordinate.

Function result

The item index, -1 if an item could not be found.

Description

GetIndexAtXY is an Integer function used to get the ordinal position in Items for the list item at the specified coordinates. No actions are performed in the method if a handle has not been allocated for the control (the widgetset class instance). GetIndexAtXY calls the GetIndexAtXY method in the widgetset class to get the return value.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.