<P>
There also exist optional attributes to alter the manner in which input travels within a window. These optional attributes allow the application to provide floating keyboards for pen input.</P>

<H3 CLASS="HeadingD">
Window Layering</H3>
<PRE>ATTR_GEN_WINDOW_CUSTOM_LAYER_ID, ATTR_GEN_WINDOW_CUSTOM_WINDOW_PRIORITY, ATTR_GEN_WINDOW_CUSTOM_LAYER_PRIORITY, ATTR_GEN_WINDOW_CUSTOM_PARENT, ATTR_GEN_WINDOW_CUSTOM_WINDOW</PRE>
<P>
ATTR_GEN_WINDOW_CUSTOM_LAYER_ID sets a unique layer identifier for the windowed ob