Use the UseFocusSkin property to change the visual appearance for your button when it has the focus. Use the FocusSkin method to assign a skin for the button when it has the focus. Use the Style property to assign a predefined appearance to your button. Use the ShowFocusRect property to draw a thin rectangle around the button's caption when it has the focus. 

Please be aware that Style property changes the following properties, based on the style chosen: 

• AllowHotState property
• UseFocusSkin property
• Skin
• FocusSkin

If you require certain value for the UseFocusSkin property you have to change the UseFocusSkin property after changing the Style property.

For instance, the exMAC style provides a skin when the button has the focus.