RadListView offers additional type of multiple selection through checkboxes. To use such selection you should set the RadListView.SelectionMode to MultipleWithCheckBoxes.
Here is the available API for this feature:
IsCheckModeActive - Gets or sets a bool value which indicates whether the control is in a selection mode.
ItemCheckBoxPosition - Gets or sets a value which defines the position of the checkboxes.
ItemCheckBoxStyle - Gets or sets the style of the checkboxes.