TIWCGJQGridColumnChooser.MSel Property
msel is either the name of a ui widget class that extends a multiselect, or a function that supports creating a multiselect object (with no argument, or when passed an object), and destroying it (when passed the string “destroy”) multiselect
published property MSel: TCGJSon index 05 read GetJSonValue write SetJSonValue stored IsJSonStored;