constants StateEnum
Describes the control's state. Use the State property to determine the button's state. Use the Skin property to assign a skin for a specified state. Use the FocusSkin property to assign a skin for a specified state when control has the focus. Use the Mode property to specify the mode how the button is running. The control supports the following states:

NameValueDescription
exNormal0 The button is not pressed.
exPushed1 The button is pressed.
exHot2 The cursor is over the button. 
exDisabled3 The button is disabled. Use the Enabled property to enable or disable the button.
exCustom4 Custom state.