Widget Element Button


 * GetDisabledTexture
 * GetDisabledText
 * GetHighlightTexture
 * GetHighlightText
 * GetNormalTexture
 * GetNormalText
 * GetPushedTexture
 * GetTextHeight
 * GetTextWidth
 * GetText
 * IsButtonPushed
 * LockHighlight
 * LockPushed
 * SetTextAnchor
 * SetTextColor
 * SetText
 * UnlockHighlight
 * UnlockPushed