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分享如何使用一个GetProcAddress载入的函数指针,怎么定义?
我现在想从Dll中调用一个BOOL ProcessIdToSessionId(DWORD dwProcessId, DWORD *pSessionId);的函数,如何使用,望各位帮忙?
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skybblue 2001-07-28
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谢了,给分
azuo_lee 2001-07-28
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注意你的引入函数申明。函数调用类型不一致会导致此问题。
将上面第一句话改成下面的样子再试试：
typedef BOOL WINAPI functype(DWORD, DWORD *);
将上面第一句话改成下面的样子再试试：
typedef BOOL WINAPI functype(DWORD, DWORD *);
skybblue 2001-07-28
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帮帮忙!
skybblue 2001-07-28
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现在还有一个问题,能使用了,可是在Win2000运行,却除了一个问题,谁能解答:
Debug Error!
Program:C:\TestTerminal\Debug\Testterminal.exe
Module:
File:i386\chkesp.c
Line:42
The value of ESP was not properly saved across a function call.
This is usually a result of calling a function declared with one calling convention with a function pointer declared with a different calling convention.
Debug Error!
Program:C:\TestTerminal\Debug\Testterminal.exe
Module:
File:i386\chkesp.c
Line:42
The value of ESP was not properly saved across a function call.
This is usually a result of calling a function declared with one calling convention with a function pointer declared with a different calling convention.
azuo_lee 2001-07-28
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typedef BOOL functype(DWORD, DWORD *);
functype * pFunc;
HINSTANCE hLib = LoadLibray(...);
pFunc = (functype *)GetProcAddress(hLib, "ProcessIdToSessionId");
BOOL bRet = (*pFunc)(dwProcesId, pSessionId);
FreeLibary(hLib);
functype * pFunc;
HINSTANCE hLib = LoadLibray(...);
pFunc = (functype *)GetProcAddress(hLib, "ProcessIdToSessionId");
BOOL bRet = (*pFunc)(dwProcesId, pSessionId);
FreeLibary(hLib);
