Member

Value

Description

System

0

The expand/collapse buttons have an appearance that mimics the current operating system, but does not use themes, even if these are enabled by the operating system.

Simple

1

The expand/collapse buttons use a predefined, simple appearance, similar to expand/collapse buttons used on non-themed versions of Windows.

ThemedAppearanceXP

2

The expand/collapse buttons emulate an appearance that mimics Windows XP themes, even on operating systems that do not offer themes.

ThemedAppearanceVista

3

The expand/collapse buttons emulate an appearance that mimics Windows Vista themes, even on operating systems that do not offer themes.

ThemedSystem

4

The expand/collapse buttons have an appearance that mimics the current operating system. For example, on Windows XP (and above), Windows themes would be used if these are enabled by the operating system.

Custom

5

The expand/collapse buttons use application-defined images and attributes defined using the control's Buttons property.