I've set SelectionMode to gsmDisjunctRow. Overall it is working, but i think there is a little bug when selecting:
See the Screenshot below, i selected the Rows "Artikel-Nr.", "Menge [Liste]" and "VPE" with the Control-Key:
No i wan't to add "Breite [mm]" and "Höhe [mm]" to the selection. So i hold down "Ctrl" and "Shift" at the same time and click on "Höhe [mm]", but now the already made selection jumps by one row each:
