头文件

下面的代码演示派生自的新类的类声明。AsdkMyClassAcDbObject

class AsdkMyClass : public AcDbObject
//
// This class demonstrates custom objects.
//
// To keep it simple, this class has a single integer data
// member.  Get and set functions are provided for this
// data member.
//
{
public:
    ACRX_DECLARE_MEMBERS(AsdkMyClass);
    AsdkMyClass(): mIntval(0) {};
    AsdkMyClass(const Adesk::Int16& val): mIntval(val) {};
    Acad::ErrorStatus         getData     (Adesk::Int16&);
    Acad::ErrorStatus         setData     (Adesk::Int16);
    virtual Acad::ErrorStatus dwgInFields (AcDbDwgFiler*);
    virtual Acad::ErrorStatus dwgOutFields(AcDbDwgFiler*)
        const;
    virtual Acad::ErrorStatus dxfInFields (AcDbDxfFiler*);
    virtual Acad::ErrorStatus dxfOutFields(AcDbDxfFiler*)
        const;
private:
    Adesk::Int16 mIntval;
};