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1、CoInitialize 没有调用(CoInitialize was not called);所以,在使用任何dbGo对象前,必须手 调用CoInitialize和CoUninitialize。调用CoInitialize失败会产生"CoInitialize was not called"例外。 多线程“尚未调用coinitialize” 报错 {在多线程启用执行前 在多线程启用执行后 CoInitialize(nil); CoUninitialize;} 2、...
The library is based on Delphis System.RTTI and System.JSON and has no non-standard dependencies. The test framework used to develop and test the library is DUnitX, but it is not required if you just want to use the library. Tested with: Delphi 10.3 Community Edition Why The JSON (de)...
Before calling any COM functions, a thread needs to call CoInitialize to load the COM infrastructure (and to enter an apartment). Once a thread calls CoInitialize, the thread is free to call COM APIs. CoInitialize(0)让当前线程进入一个STA的Apartment CoInitialize、CoInitializeEx都是windows的API,...
technologyanalysisWhichwasproducedbyDelphiCo(ECU),aseriesofcarcomputerformanydomesticautomobilemanufacturerssupportingtheuseofapplicablemodelsare:Jinbeimulti-pointinjection,theGreatWall,SonghuaRiver,ItalianflagFAWJiabao,Dadietc..HereisatypicalfaultwithDelphicomputer.Whichwasanignitionandinjectioncircuitanalysis:Controlof...
The article informs that safety systems supplier Delphi China Technical Centre Co. is expanding in China to increase local research&development activities for Chery Automobile Co.'s mid-sized and luxury sedans. Delphi China Technical Centre's work for Chery includes a complete occupant protection syst...
Delphi多线程数据库查询(ADO),ADO多线程数据库查询通常会出现3个问题:1、CoInitialize没有调用(CoInitializewasnotcalled);所以,在使用任何dbGo对象前,必须手调用CoInitialize和CoUninitialize。调用CoInitialize失败会产生"CoInitiali...ReadMore
你需要做的是1、引用Activex单元,保证CoInitilizeEx函数被正确调用了 2、在单元级加入初始化和退出代码: initialization Coinitialize(nil); finalization CoUninitialize; end. 3、 在结束时记住将连接和数据集关闭,否则也会报地址错误。 引出DLL中的对象
delphi使用COM控件的时候是否需要CoInitialize MSDN上CoInitialize的解释: Initializes the COM library on the current apartment and identifies the concurrency model as single-thread apartment (STA). Applications must initialize the COM library before they can call COM library functions other than CoGetMalloc...
S2:=Concat('Borland','Delphi','7.0');//连接三个字符,S2变量等于BorlandDelphi7.0。end;3.Delete功能说明:删除字符串中指定的字符串。该函数有三个参数。第一个参数为要进行处理的字符串,第二...