'宣言 Protected Overridable Function GetLabelBounds( _ ByVal pixelMid As Integer, _ ByVal vertical As Boolean, _ ByVal labelAreaBounds As Rectangle, _ ByVal idealWidth As Integer, _ ByVal idealHeight As Integer _ ) As Rectangle
protected virtual Rectangle GetLabelBounds( int pixelMid, bool vertical, Rectangle labelAreaBounds, int idealWidth, int idealHeight )