By default, the Mode property is exSplitFixCascadeMode | exAutoFitOnResizeClient. The Mode property indicates the mode the control displays the cascade columns. The DefColumnWidth property specifies the width to create a new cascade column. 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:

• The MinColumnWidth property specifies the minimum width for any cascade column.

• The MaxColumnWidth property specifies the maximum width for any cascade column.

The following screen shot shows the control while the Mode property includes exFixCascadeMode:

The following screen shot shows the control while the Mode property includes exSingleCascadeMode:

The following screen shot shows the control while the Mode property includes exSplitEqualCascadeMode:

The following screen shot shows the control while the Mode property includes exSplitFixCascadeMode: