Use the Clear method to clear all skins from the control. Use the Remove method to remove a specific skin. If you need to remove the skin appearance from a part of the control you need to reset the last 7 bits in the high significant byte of the color being applied to the background's part.

The skin method may change the visual appearance for the following parts in the control:

• headers of the groups, BackColorGroup property, SelBackColorGroup property,  BackColor property
• item, ItemBackColor property
• scroll bars, selected item, Background property