Gets or sets a value indicating whether the Sidebar can be sized with the mouse. The default value is true.


public bool IsSizable { get; set; }
Public Property IsSizable() As Boolean


A sidebar can only be horizontally sized if the Sidebar.HorizontalAlignment property is set to System.Windows.HorizontalAlignment.Left or System.Windows.HorizontalAlignment.Right. To resize the sidebar vertically, the Sidebar.VerticalAlignment property must be set to System.Windows.VerticalAlignment.Top or System.Windows.VerticalAlignment.Bottom.