TreeView.ExpandDepth Property


Gets or sets the number of levels that are expanded when a TreeView control is displayed for the first time.

 property int ExpandDepth { int get(); void set(int value); };
public int ExpandDepth { get; set; }
member this.ExpandDepth : int with get, set
Public Property ExpandDepth As Integer

Property Value


The depth to display when the TreeView is initially displayed. The default is -1, which displays all the nodes.



Use the ExpandDepth property to control the rendering of the TreeView control the first time that it is displayed. On subsequent postbacks, the nodes retain their current expanded state.

Applies to

See also