error LNK2019: 无法解析的外部符�?CreateEnvironmentBlock

��王 — Wed, 22 Jun 2022 07:16:00 GMT

#pragma comment(lib,"Userenv.lib")

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��王 2022-06-22 15:16 发表评论

��王 — Tue, 07 Jun 2022 07:27:00 GMT

选中��目�Q?#8220;属�?#8221;->“C/C++”->“语言”->“�W�合模式”
是（ /permissive�Q?改�ؓ(f��)否（/permissive�Q?br />
再次�~�译
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��王 2022-06-07 15:27 发表评论

Windows服务�C�Z��E�序

��王 — Fri, 08 Apr 2022 17:10:00 GMT

1、源代码

//服务器状态切换响应函�?br />void WINAPI ServiceHandler(DWORD fdwControl)

{

FILE* log = NULL;

switch (fdwControl)

{

case SERVICE_CONTROL_STOP:

case SERVICE_CONTROL_SHUTDOWN:

ServiceStatus.dwWin32ExitCode = 0;

ServiceStatus.dwCurrentState = SERVICE_STOPPED;

ServiceStatus.dwCheckPoint = 0;

ServiceStatus.dwWaitHint = 0;

//add you quit code here

log = fopen("D:\\log.txt", "a+");

if (log)

{

fprintf(log, "ServiceHandler: %s\n", "service stop");

fclose(log);

}

break;

default:

return;

};

if (!SetServiceStatus(hServiceStatusHandle, &ServiceStatus))

{

DWORD nError = GetLastError();

}

//自定义工作线�E�回调函敎ͼ�服务器启动前�Q�调试附加进�E?>选择服务�q�程名称�Q��ƈ在此函数中加断点
void MyFunction()

{

FILE* fp = fopen("D:\\log.txt", "a+");

if (fp)

{

fputs("\n", fp);

fputs("work thread start!", fp);

fputs("\n", fp);

fclose(fp);

}
while(true)
{
Sleep(1);
}

}

//启动服务响应函数

void WINAPI service_main(int argc, char** argv)

{

ServiceStatus.dwServiceType = SERVICE_WIN32;

ServiceStatus.dwCurrentState = SERVICE_START_PENDING;

ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_PAUSE_CONTINUE;

ServiceStatus.dwWin32ExitCode = 0;

ServiceStatus.dwServiceSpecificExitCode = 0;

ServiceStatus.dwCheckPoint = 0;

ServiceStatus.dwWaitHint = 0;

hServiceStatusHandle = RegisterServiceCtrlHandler(SERVICE_NAME, ServiceHandler);

if (hServiceStatusHandle == 0)

{

DWORD nError = GetLastError();

}

std::cout << "my service start!" << std::endl;

//add your init code here

FILE* log = fopen("D:\\log.txt", "a+");

for (int i = 0; i < argc; ++i)

{

fprintf(log, "service_main: %s\n", argv[i]);

}

fclose(log);

//add your service thread here

std::thread wnd_thread(MyFunction);

wnd_thread.detach();

// Initialization complete - report running status

ServiceStatus.dwCurrentState = SERVICE_RUNNING;

ServiceStatus.dwCheckPoint = 0;

ServiceStatus.dwWaitHint = 9000;

if (!SetServiceStatus(hServiceStatusHandle, &ServiceStatus))

{

DWORD nError = GetLastError();

}

int main(int argc, const char* argv[])

{

SERVICE_TABLE_ENTRY ServiceTable[2];

ServiceTable[0].lpServiceName = (LPSTR)SERVICE_NAME;

ServiceTable[0].lpServiceProc = (LPSERVICE_MAIN_FUNCTION)service_main;

ServiceTable[1].lpServiceName = NULL;

ServiceTable[1].lpServiceProc = NULL;

// 启动服务的控制分�z�机�U�程

StartServiceCtrlDispatcher(ServiceTable);

return 0;

}

2、创建服�?br />打开控制収ͼ�输入命��o(h��)�Q?br />

sc create ServiceTest binPath= "�~�译生成的可执行文�g�l�对路径�?qi��ng)文件�?
例如�Q�上面示例程序编译输�?gu��)��\径及(qi��ng)生成可执行文件名为：(x��)
D:\Test\ServiceTest\Debug\ServiceTest.exe
则，控制台输入命令�ؓ(f��)�Q?br />

sc create ServiceTest binPath= "D:\Test\ServiceTest\Debug\ServiceTest.exe"

3、启动服�?br />�Q�如果需要调试的话，此时附加调试�q�程ServiceTest�Q��ƈ在自定义工作�U�程回调函数中加断点�Q?br />控制��C��输入命��o(h��)�Q?br />sc start ServiceTest

4、关闭服�?br />sc stop ServiceTest

5、删除服�?br />sc delete ServiceTest

O�?ji��n)�?/div>

��王 2022-04-09 01:10 发表评论

重绘�H�口

��王 — Sat, 17 Nov 2012 18:01:00 GMT

   先获需要重�l�的�H�口句柄hWnd

   RECT rect;
   ::GetClientRect(hWnd, &rect);
   ::InvalidateRect(hWnd, &rect, TRUE);
   ::UpdateWindow(hWnd);

O�?img src ="http://m.shnenglu.com/jack-wang/aggbug/195313.html" width = "1" height = "1" />

��王 2012-11-18 02:01 发表评论

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error LNK2019: 无法解析的外部符�?CreateEnvironmentBlock

Windows服务�C�Z���E�序

重绘�H�口

Windows服务�C�Z��E�序