UIElement:is_root

Returns whether this element is the root of its element tree. Roots are defined as elements with no parent.

Usage

ui_element:is_root()

Returns

Name	Type	Description
is_root	boolean	True if the element is a root, false otherwise.

Examples

local parent = crystal.Overlay:new();
local child = parent:add_child(crystal.Image:new());
print(parent:is_root()); -- Prints "true"
print(child:is_root()); -- Prints "false"