CLASS class DEFINITION { DEFERRED [PUBLIC]} | LOAD

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CLASS class DEFINITION { DEFERRED [PUBLIC]} | LOAD

1、CLASS class DEFINITION DEFERRED

在这个类未真正定义之前暂时定义,供其他类或者变量参照定义

注意:在程序中最后还是有该类的实际定义,否则激活会报错

CLASS class DEFINITION....ENDCLASS.


2、CLASS class DEFINITION LOAD

从类别库载入该类,可使用其STATIC 组件或者Event Handler

CLASS cl_gui_cfw DEFINITION LOAD. DATA state LIKE cl_gui_cfw=>system_state. 

详细介绍可查看F1帮助

CLASS c1 DEFINITION DEFERRED. CLASS c2 DEFINITION.   PUBLIC SECTION.     DATA c1ref TYPE REF TO c1. ENDCLASS. CLASS c1 DEFINITION.   PUBLIC SECTION.     DATA c2ref TYPE REF TO c2. ENDCLASS. CLASS cl_gui_cfw DEFINITION LOAD. DATA state LIKE cl_gui_cfw=>system_state. 




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