add a combobox add some items set ArrowKeysTraverseList =False
run the app
test the arrows
are functioning properly as ArrowKeysTraverseList =True.
change styles change the property to true and again to false the behavior remains the same
or try this
var x:integer;
begin
ComboBox1.Clear;
for x:=0 to 5 do begin
ComboBox1.Items.Add(IntToStr(x));
end;
ComboBox1.ArrowKeysTraverseList:=False;
end;
ShowMessage(BoolToStr(ComboBox1.ArrowKeysTraverseList,'True','False'));
test the arrows the property is false the arrows are working