生命是过客，人在旅途。奶奶是信基督教的，没啥文化，却养育了四子二女，还带过九个孙辈。老人家对生命的看法就是“人都是客人，迟早要回去的。”就以《人在旅途》来纪念她。
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 [微软技术开发]Some thing about _bstr_t converting to char* or whcar* | |
Some functions will require the arguement as char* , LPTSTR or WCHAR*, you can directory pass your variable of _bstr_t type to these functions and these functions can convert it automatically. But, when the functions' arguments are used for returning value, then you can not do it as followings: For Example: LPTSTR str = (LPTSTR )some_of_bstr_t; SomeFunctions(str ,...); or SomeFunctions((LPTSTR )some_of_bstr_t,...); Most important: T | |
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| [微软技术开发]ATL:Implement the same default interface from different object in different DLLs(different project) and using user define type in the interface method. | |
First Way: 1. As normally, first create the ATL object(Eg: First) and an ATL interface(Eg: IFirst) in a DLL by the ATL Wizard in the first project. 2. Add IFirst's method by using ATL Class Wizard. 3. Create a IDL file(For example, FirstInterface.idl), then move the definition of IFirst to that IDL file. Don't forget to move the necessary "#import" directive and necessary enum, structure definition to that IDL file. 4. Now you can remove the IFirst's definition from it's original | |
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| [微软技术开发]Load an Icon from a DLL | |
Please use the API function "ExtractIcon", not the "LoadIcon". Because "LoadIcon" can only load icon from an EXE file, but "ExtractIcon" can load icon from both the EXE and DLL file. | |
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| [微软技术开发]Event handling of the COM object in VB | |
In VB, if you import a COM object and handle it's event which will be fired within a internal thread in that COM object, you will find you can't do anthing in that event handle routine of VB(otherwise there is a momery writing error waiting for you). | |
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| [微软技术开发]MFC:New MFC class as an array, big problem | |
As you know, you can do like this: long* pLong = new long[100]; delete pLong; But you can't do like this: CString pStrArray = new CString[100]; delete pStrArray; //this line, in debug version caused an assert; in release version caused unstable proceeding result. But fortunately, you can use CStringArray instead. notes: There is quite a few MFC class like CString which you can't new as an array. | |
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