DzlDockPanedClass
typedef struct {
DzlMultiPanedClass parent;
gpointer _reserved1;
gpointer _reserved2;
gpointer _reserved3;
gpointer _reserved4;
gpointer _reserved5;
gpointer _reserved6;
gpointer _reserved7;
gpointer _reserved8;
} DzlDockPanedClass;