怎么创建,能提供代码吗
时间: 2023-10-25 21:27:38 浏览: 17
以下是一个在 Windows 服务中启动图形界面程序的示例代码,其中使用了 CreateProcess 函数来启动一个名为 "notepad.exe" 的程序:
```c++
#include <windows.h>
SERVICE_STATUS g_ServiceStatus = {0};
SERVICE_STATUS_HANDLE g_StatusHandle = NULL;
HANDLE g_ServiceStopEvent = NULL;
VOID WINAPI ServiceMain(DWORD argc, LPTSTR *argv);
VOID WINAPI ServiceCtrlHandler(DWORD);
DWORD WINAPI ServiceWorkerThread(LPVOID lpParam);
int _tmain(int argc, TCHAR *argv[])
{
SERVICE_TABLE_ENTRY ServiceTable[] =
{
{TEXT("MyService"), (LPSERVICE_MAIN_FUNCTION)ServiceMain},
{NULL, NULL}
};
if (StartServiceCtrlDispatcher(ServiceTable) == FALSE)
{
return GetLastError();
}
return 0;
}
VOID WINAPI ServiceMain(DWORD argc, LPTSTR *argv)
{
DWORD Status = E_FAIL;
g_StatusHandle = RegisterServiceCtrlHandler(TEXT("MyService"), ServiceCtrlHandler);
if (g_StatusHandle == NULL)
{
goto EXIT;
}
g_ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
g_ServiceStatus.dwServiceSpecificExitCode = 0;
SetServiceStatus (g_StatusHandle, &g_ServiceStatus);
g_ServiceStopEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (g_ServiceStopEvent == NULL)
{
g_ServiceStatus.dwCurrentState = SERVICE_STOPPED;
g_ServiceStatus.dwWin32ExitCode = GetLastError();
SetServiceStatus (g_StatusHandle, &g_ServiceStatus);
goto EXIT;
}
g_ServiceStatus.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus (g_StatusHandle, &g_ServiceStatus);
STARTUPINFO si = { sizeof(si) };
PROCESS_INFORMATION pi;
BOOL bRet = CreateProcess(TEXT("notepad.exe"), NULL, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
if (!bRet)
{
// 处理创建进程失败的情况
}
WaitForSingleObject (pi.hProcess, INFINITE);
CloseHandle (pi.hProcess);
CloseHandle (pi.hThread);
g_ServiceStatus.dwCurrentState = SERVICE_STOPPED;
SetServiceStatus (g_StatusHandle, &g_ServiceStatus);
EXIT:
if (g_ServiceStopEvent != NULL)
{
CloseHandle(g_ServiceStopEvent);
}
}
VOID WINAPI ServiceCtrlHandler(DWORD CtrlCode)
{
switch (CtrlCode)
{
case SERVICE_CONTROL_STOP :
if (g_ServiceStatus.dwCurrentState != SERVICE_RUNNING)
break;
g_ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
SetServiceStatus (g_StatusHandle, &g_ServiceStatus);
SetEvent (g_ServiceStopEvent);
break;
default:
break;
}
}
```
在上述代码中,我们使用 CreateProcess 函数启动了一个名为 "notepad.exe" 的程序,可以根据需要修改为自己的程序。请注意,在服务中启动图形界面程序可能会存在安全问题,因此需要谨慎操作,并采取必要的安全措施。