Visual C
in [C and C++]
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marshall interface needed? Hello everyone, When we have cross-apartment call (inside one process) from ... to ..., 1. STA --> MTA; 2. MTA --> STA. In both cases we must use either GIT (global interface table) or CoMarshalInterThreadInterfaceInStream? If call method on destination apartment through interface pointer of componen... 10 Apr 2008 08:50
asynchronous and synchronous call between apartments Hello everyone, Once I thought all calls across COM apartments (not inside apartment) are all synchronous call, now after study re-entrancy problem, I think I am wrong, at least STA to MTA call is asynchronous. (Link to re-entrancy problem, http://www.codeproject.com/KB/COM/sta_issues.aspx) After some ... 8 Apr 2008 04:52
coding style is this C style coding? I don't seem to see much C++ code in this way. is this a bad programming practice? code seem ugly coding this way. ================= CATCHERROR(m_Cnn,0) ================= #define CATCHERROR(ptr,a) catch(_com_error &e)\ {\ ErrorHandler(e,m_ErrStr);\ ptr=NULL;\ ... 5 Apr 2008 13:11
pointer vs reference what are the difference between the following 4 variables? const int * start int* const start int const& start Request(int const& start); ... 8 Apr 2008 09:09
char * why the following compile is OK but will crash when execute? the problem seem to in - convertToUppercase( phrase ); ========== // Converting lowercase letters to uppercase letters // using a non-constant pointer to non-constant data. #include <iostream> using std::cout; using std::endl; #include ... 7 Apr 2008 09:20
unable to launch a process using CreateProcessAsUser function. Hello, I am calling CreateProcessAsUser function to launch an application from another application. I am using the following code to launch the application. { STARTUPINFO StartupInfo = {0}; PROCESS_INFORMATION SysmenuProcess; memset( &SysmenuProcess, 0, sizeof( PROCESS_INFORMATION) ); StartupInfo.cb ... 4 Apr 2008 08:58
CComVariant Hello everyone, In the book ATL Internals, here is the description for CComVariant. My questions, -------------------- COM permits an object to hand out different binary values each time a client queries it for a specific interface pointer (with the exception of a query for the IUnknown interface). There... 7 Apr 2008 00:12
passing parameters why calling PostSoapRequest will crash the program? should I pass string* for start and end? int post_soap_request(string start, string end) { string request = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + start + end; const char* REQUEST_BODY = request.c_str(); ne_set_request_body_buffer(req, REQUE... 4 Apr 2008 06:58 |