关于自己写的程序去调用外部程序,不管调用那一个的都只有一个实例运行,请jisiping大哥再帮忙看一下
原贴子在:http://community.csdn.net/Expert/topic/4108/4108003.xml?temp=.4015161
是关于自己写的程序去调用外部程序,不管调用那一个的都只有一个实例运行的问题.
jishiping大哥的回答是这样
STARTUPINFO siStarInfo={0};
//piProcInfo必须是局部静态变量,或者是全局变量,或者是class的成员变量
static PROCESS_INFORMATION piProcInfo={0};
//ShowMessage(urlstr.c_str());//程序的详细路径,如c:\\windows\\system32\\notepad.exe
siStarInfo.cb = sizeof(STARTUPINFO);
siStarInfo .lpReserved = NULL;
siStarInfo.lpReserved2 = NULL;
siStarInfo.cbReserved2 = 0;
siStarInfo.lpDesktop = NULL;
siStarInfo.dwFlags = 0;
if (FindProgram(urlstr.c_str()))
ShowMessage("程序已经在运行之中!你从任务栏最大化!");
// if(piProcInfo.hProcess&&WaitForSingleObject(piProcInfo.hProcess,0)==WAIT_TIMEOUT)
// ShowMessage("程序已经在运行之中!你从任务栏最大化!");
else
{
Application->MessageBox("提示:外挂只能启动一个,挂机后直接关闭IE就行!","提示 ", MB_OK);
CreateProcess(NULL,urlstr.c_str(),NULL,NULL,false,NULL,NULL,NULL,&siStarInfo,&piProcInfo);
}
}
-----------其中-->
BOOL GetProcessModule(DWORD dwPID, LPCSTR ExeName)
{
BOOL bRet = FALSE;
HANDLE hModuleSnap;
MODULEENTRY32 me32 = { 0 };
hModuleSnap = CreateToolhelp32Snapshot(
TH32CS_SNAPMODULE, dwPID);
if (hModuleSnap==(HANDLE)-1)
return FALSE;
me32.dwSize = sizeof(MODULEENTRY32);
if (!Module32First(hModuleSnap,&me32))
{
CloseHandle (hModuleSnap);
return FALSE;
}
do {
if (!strcmpi(me32.szExePath,ExeName)) {
bRet = TRUE;
break;
}
}while(Module32Next(hModuleSnap, &me32));
CloseHandle (hModuleSnap);
return bRet;
}
BOOL FindProgram(LPCSTR ExeName)
{
BOOL bRet = FALSE;
LPCSTR Name = NULL;
HANDLE hProcessSnap;
PROCESSENTRY32 pe32 = {0};
hProcessSnap = CreateToolhelp32Snapshot(
TH32CS_SNAPPROCESS, 0);
if (hProcessSnap==(HANDLE)-1) return FALSE;
pe32.dwSize = sizeof(PROCESSENTRY32);
if (!Process32First(hProcessSnap, &pe32)) {
CloseHandle (hProcessSnap);
return FALSE;
}
Name = strrchr(ExeName, '\\');
Name = Name?Name+1 : ExeName; //这里得到程序的名字
ShowMessage(Name);
do {
if (!strcmpi(pe32.szExeFile,Name)&&GetProcessModule(pe32.th32ProcessID,ExeName))
{
ShowMessage(pe32.szExeFile);
bRet = TRUE; break;
}
}while(Process32Next(hProcessSnap,&pe32));
CloseHandle(hProcessSnap);
return bRet;
}
可我在调试时,不能成功~~请各位帮忙看一下~~分不够,俺再加