成员的完整列表，这些成员属于 Dtk::Widget::DMessageManagerPrivate,包括所有继承而来的类成员

D_DECLARE_PUBLIC(DMessageManager) (定义于 Dtk::Widget::DMessageManagerPrivate)	Dtk::Widget::DMessageManagerPrivate
DMessageManagerPrivate(DMessageManager *qq) (定义于 Dtk::Widget::DMessageManagerPrivate)	Dtk::Widget::DMessageManagerPrivate
m_aniGeometry (定义于 Dtk::Widget::DMessageManagerPrivate)	Dtk::Widget::DMessageManagerPrivate
m_aniGroup (定义于 Dtk::Widget::DMessageManagerPrivate)	Dtk::Widget::DMessageManagerPrivate
m_aniOpacity (定义于 Dtk::Widget::DMessageManagerPrivate)	Dtk::Widget::DMessageManagerPrivate
m_label (定义于 Dtk::Widget::DMessageManagerPrivate)	Dtk::Widget::DMessageManagerPrivate