Visual style

Visual styles are sets of bitmaps and other graphics used to modify the Windows user interface, which was introduced in Windows XP. They are more advanced compared to the regular color scheme applied on top of the classic theme, which were used prior to Windows XP. Due to the inclusion of a desktop compositor, the behavior and effects of visual styles changed significantly in the Windows Longhorn and Windows Vista operating systems. They are self-contained in  files, which can contain several variants of a visual style. The visual style engine is implemented in.