摘要： START-OF-SELECTION Syntax 语法START-OF-SELECTION. Effect 作用This event keyword defines an event block whose event is triggered by the ABAP runtime environment when calling the executable program selectio... 阅读全文

摘要： INITIALIZATION Syntax 语法INITIALIZATION. Effect 作用This event keyword defines an event block whose event is triggered by the ABAP runtime environment during the flow of an executable program, directly a... 阅读全文

摘要： AT USER-COMMAND Syntax 语法AT USER-COMMAND. Effect 作用This statement defines an event block whose event is triggered by the ABAP runtime environment if, during the display of a screen list, a function wi... 阅读全文