'宣言 Public Overloads Shared Function GetRectangleForZoomFactor( _ ByVal baseRect As RectangleF, _ ByVal zoomFactor As Single, _ ByVal scaleDown As Boolean _ ) As RectangleF
public static RectangleF GetRectangleForZoomFactor( RectangleF baseRect, float zoomFactor, bool scaleDown )