isSelectionByRect
A Boolean that indicates whether the user can select a rectangle of cells in the receiver by dragging the cursor.
Declaration
var isSelectionByRect: Bool { get set }Discussion
When the value of this property is true, the matrix allows the user to select a rectangle of cells by dragging. When the value of this property is false, selection in the matrix is on a row-by-row basis. The default value of this property is true.