property View.WidthToFit as Long
Specifies the width of the view to fit the control's client area.

TypeDescription
Long A long expression that specifies the width of the view to fit the control's client area.
The WidthToFit property specifies the width of the view to fit the control's client area. The Width property specifies the width of the view. The DefColumnWidth property specifies the width to create a new cascade column. The Mode property indicates the mode the control displays the cascade columns. The FitCascadeColumns property retrieves or sets a value that indicates the number of cascading columns to fit. The FitToClient method resizes or/and moves the all cascade columns to fit the control's client area. 

The following properties can be used to limit / range the width of each cascade columns: