Symptoms

Lithium Theme issue when setting the control's visible property to false.
 

Diagnoses

When using the Lithium theme, controls in the header of a list view is visible even if their visible property is set to false.

To reproduce:
1. Create List View and add control (label, button) to header
2. Set contol visible = false
3. Add view to form, and set form theme = Lithium
4. When run, the control is visible
 

Resolution

This has identified as a known issue. A workaround is to add a table to the header, set visibility = false and put all your hidden controls inside the table.