人在旅途

[微软技术开发]NTP(network time protocol) Sample

软件技术

人在旅途发表于 2006/1/22 10:31:28

NTP(network time protocol) source code: _NTPSource.zip

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[微软技术开发]How to use map of STL

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人在旅途发表于 2006/1/22 10:20:40

The function contain is the main function support by the STL, though MFC has many contain class like carray,clist.... But when you meet the event that you can't use MFC(like develop ATL project), you will like to use it and these C++ STL class are template. Now I will record some thoughts and experience about using map. Like following:

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[微软技术开发]Early binding com object which created by ATL

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人在旅途发表于 2006/1/22 10:20:09

If you are early binding a com object which is created by ATL, You must use import this way: #import ".../xxxx.dll"

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[微软技术开发]Never try to return an SAFEARRAY with an event in activex object

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人在旅途发表于 2006/1/22 10:18:58

　Never try to return an SAFEARRAY with an event in activex object.

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[微软技术开发]How to get the point of the buffer in SAFEARRAY

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人在旅途发表于 2006/1/22 10:18:21

Use the SafeArrayAccessData(...) to get the point of the buffer in the SAFEARRAY.

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[微软技术开发]About BSTR in ATL

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人在旅途发表于 2006/1/22 10:17:38

when a property is defined as BSTR. and you will like to get it in VB, this time always your get_xxxx routime in VC will will received a NULL BSTR, you must allocate (by sysallocatestring or _bstr_t.Copy or CComStr.Copy) a new BSTR and assign value then you can return it. Now your VB programe can receive it right.

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[微软技术开发]How to get ACTIVEX CONTROL OR OBJECT'S PATH IN VC

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人在旅途发表于 2006/1/22 10:17:12

USE THIS FUNCTION ::GetModuleFileName() to get a dll's path and name.

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[微软技术开发]How to use BSTR&_bstr_t in VC

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人在旅途发表于 2006/1/22 10:16:15

bstr_t t;
t = "test";
WORD n = t.length(); // n is 4
char* p = (char*)t; //but you can't change the buffer in p
n = strlen(p); 删除

[微软技术开发]A new way to use ADO in VC++

软件技术

人在旅途发表于 2006/1/22 10:13:08

Techniques for Using ADO in C++ Applications There are a couple of ways to use ADO in your C++ code. You can use the ADO header files and import library from the OLE DB SDK. You include the ADO header files (adoid.h and adoint.h) in your source and add the ADO import library adoid.lib to your linker input. This enables you to create instances of the ADO objects and access their member functions. Using this metho

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[微软技术开发]About the storage file in VC

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人在旅途发表于 2006/1/22 10:10:57

You can get a sub-stream or a sub-storage from a root storage. But what is you must pay much attention is that if the root storage is released, the sub-stream or storage will be automatically released.

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