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ID:40496626
大小:49.43 KB
页数:7页
时间:2019-08-03
《关于search help Exit和样例》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、关于searchhelpExit和样例1、 searchhelpExit是用于对标准帮助进行扩充,以提供更好的灵活性。2、searchhelpExit何时被调用BeforeDisplayingtheDialogBoxforSelectingtheRequiredSearchPath.Itisonlycalledforcollectivesearchhelps.Usingthesearchhelpexit,thesetofelementarysearchhelpsavailablecanforexampleberestricteddep
2、endingonthecontext.BeforeStartingtheF4ProcessfortheElementarySearchHelpThecallistriggeredindependentofwhetherthedialogwindowforenteringthesearchconditionsappearsorwhethertheselectionisexecutedimmediately(forexample,becauseintheHotkeyoftheelementarysearchhelpImmediateval
3、uedisplayisset).BeforeDisplayingtheDialogBoxforEnteringSearchConditions.Youcaneitherinfluencethedialogforenteringsearchconditionsorskipitaltogetherhere.Youcanalsoinfluencehowtheselectionscreenlooks.Thecallistriggeredonlyifthereisnodirectselection(thatis,ifintheHotkeyoft
4、heelementarysearchhelpImmediatevaluedisplayisnotset).BeforeSelectingData.Thedataselectioncanbepartlyorcompletelycopiedfromthesearchhelpexit.ThiscanbecomenecessaryifthedataselectioncannotbeimplementedwithaSELECTstatementforatableoraview.BeforeDisplayingtheHitList.Youcani
5、nfluencethedisplayofthehitlistinthisstepwiththesearchhelpexit.Youcanreducethenumberofvaluesdisplayedhere.Forexample,youcandisplayonlyvaluesforwhichthepersoncallingtheinputhelphasauthorization.Youcanalsocopythecompletehitlistfromthesearchhelpexit.BeforeReturningtheValues
6、SelectedbytheUsertotheInputTemplate.Itcouldbeadvisabletointerveneatthistimeifcontrolofthefurthertransactionflowshoulddependonthevalueselected.Atypicalexampleissettingset/getparameters.3、searchhelpExit的函数模板(F4IF_SHLP_EXIT_EXAMPLE)程序员就可以拷贝该函数进行改编,已达到适合自己企业的应用。functionf4if
7、_shlp_exit_example.*"----------------------------------------------------------------------*"*"LokaleSchnittstelle:*" TABLES*" SHLP_TABTYPE SHLP_DESCT*" RECORD_TABSTRUCTURE SEAHLPRES*" CHANGING*" VALUE(SHLP)TYPE SHLP_DESCR*" VALUE(CALLCONTROL)LIKE DDSHF4CT
8、RLSTRUCTURE DDSHF4CTRL*"----------------------------------------------------------------------*EXITimmediately
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