An UIVisualThemeEnum expression that specifies which UI parts of the control are
shown using the current visual theme.
By default, the UseVisualTheme property is
exDefaultVisualTheme, which means that all known UI parts are shown as in the
current theme. The UseVisualTheme property may specify the UI parts that you
need to enable or disable the current visual theme. The UI Parts are like header, filterbar,
check-boxes, buttons and so on. The UseVisualTheme property has effect only a
current theme is selected for your desktop. The
UseVisualTheme property. Use the Appearance
property of the control to provide your own visual appearance using the EBN
files.