'宣言 Public ReadOnly Property Color As System.Drawing.Color
'使用法 Dim instance As LineDef Dim value As System.Drawing.Color value = instance.Color
public System.Drawing.Color Color {get;}
            '宣言 Public ReadOnly Property Color As System.Drawing.Color
'使用法 Dim instance As LineDef Dim value As System.Drawing.Color value = instance.Color
public System.Drawing.Color Color {get;}