xtd - Reference Guide  0.1.0
Modern c++17 framework to create console, gui and unit test applications on Windows, macOS and Linux.

§ selection_mode

Specifies the selection behavior of a list box.

Remarks
This enumeration is used by classes such as list_box and chacked_list_box.
Enumerator
none 

No items can be selected.

one 

Only one item can be selected.

multi_simple 

Multiple items can be selected.

multi_extended 

Multiple items can be selected, and the user can use the SHIFT, CTRL, and arrow keys to make selections.