property PropertiesList.ColumnsAllowSizing as Boolean
Retrieves or sets a value that indicates whether a user can resize columns at run-time.

TypeDescription
Boolean A Boolean expression that indicates whether a user can resize columns at run-time.
By default, the ColumnsAllowSizing property is False. Use the HasGridLines property to show or hide the control's grid lines. Use the HeaderVisible property to show or hide the control's header bar. Use the ColumnsAllowSizing property to resize the columns even if the control's header bar is not visible. At runtime, the user can use the CTRL + Left or CTRL + Right key to resize the columns  (only if the ColumnsAllowSizing property is True ).