'宣言 Public Function New( _ ByVal minSize As System.Double, _ ByVal maxSize As System.Double, _ ByVal minZoom As System.Double, _ ByVal maxZoom As System.Double _ )
public LOD( System.double minSize, System.double maxSize, System.double minZoom, System.double maxZoom )
LOD 構造体 LOD メンバ