The Layers property gives access to the control's Layers collection. Any layer can display unlimited opaque / transparent graphics, HTML text, can be visible, selectable, dragable and so on. Any layer can change its position in the layers collection as well. The Layer can change its brightness, contrast, grayscale or transparency as well. 

The following screen shot shows a control composed by two pictures: "Guage_Background.png" and "Guage_Needle.png" from the "C:\Program Files\Exontrol\ExGauge\Sample\Design\Circular\Guage" folder

The following picture shows how layers "background" and "needle" composes the control's view

The following properties can be used to add / remove layers within the control:

• Count property, adds / removes layers to / from the control
• Add method, adds a new layer to the control.

The following properties can be used to access Layer objects in the control:

• Item property, gives the Layer object based on its index / key. The Count property specifies the number of layers within the control
• VisibleItem property, gives the visible layer based on its position. The VisibleCount property indicates the number of visible layers within the control. The Visible property shows or hides the layer. The ShowLayers property indicates the only layers to be shown on the control.