diff --git a/lib/cyberarm_engine/ui/element.rb b/lib/cyberarm_engine/ui/element.rb
index c290086..2c6999b 100644
--- a/lib/cyberarm_engine/ui/element.rb
+++ b/lib/cyberarm_engine/ui/element.rb
@@ -186,6 +186,22 @@ module CyberarmEngine
       @border_canvas.update
     end
 
+    def root
+      unless @root && @root.parent.nil?
+        @root = parent
+
+        loop do
+          if @root.parent.nil?
+            break
+          else
+            @root = @root.parent
+          end
+        end
+      end
+
+      @root
+    end
+
     def recalculate
       raise "#{self.class}#recalculate was not overridden!"
     end
@@ -193,5 +209,9 @@ module CyberarmEngine
     def value
       raise "#{self.class}#value was not overridden!"
     end
+
+    def value=(value)
+      raise "#{self.class}#value= was not overridden!"
+    end
   end
 end
\ No newline at end of file
diff --git a/lib/cyberarm_engine/ui/label.rb b/lib/cyberarm_engine/ui/label.rb
index 4aeed2f..86db4c2 100644
--- a/lib/cyberarm_engine/ui/label.rb
+++ b/lib/cyberarm_engine/ui/label.rb
@@ -30,5 +30,14 @@ module CyberarmEngine
     def value
       @text.text
     end
+
+    def value=(value)
+      @text.text = value
+
+      old_width, old_height = width, height
+      recalculate
+
+      root.recalculate if old_width != width || old_height != height
+    end
   end
 end
\ No newline at end of file