'宣言 Public Const PointsPerInch As System.Double
'使用法 Dim value As System.Double value = Unit.PointsPerInch
public const System.double PointsPerInch
'宣言 Public Const PointsPerInch As System.Double
'使用法 Dim value As System.Double value = Unit.PointsPerInch
public const System.double PointsPerInch