Gets or sets whether the tool bar's visibility can be changed by an end-user. This is a dependency property.
true, if the tool bar's visibility can be changed by an end-user; otherwise, false. The default is true.
By default, an end-user is capable of hiding and displaying a tool bar using the customization menu, which can be invoked with a right click. Set the AllowHide property to false to prevent the current tool bar from being hidden.