boolIsEndIO;// Set when switching IO from BeginMultiSelect() to EndMultiSelect() state.
boolIsFocused;// Set if currently focusing the selection scope (any item of the selection). May be used if you have custom shortcut associated to selection.
boolIsKeyboardSetRange;// Set by BeginMultiSelect() when using Shift+Navigation. Because scrolling may be affected we can't afford a frame of lag with Shift+Navigation.
boolIsSelectionEmpty;// Set by BeginMultiSelect() based on optional info provided by user. May be false positive, never false negative.
boolNavIdPassedBy;
boolRangeSrcPassedBy;// Set by the item that matches RangeSrcItem.
boolRangeDstPassedBy;// Set by the item that matches NavJustMovedToId when IsSetRange is set.