struct _PidHwnd
{
DWORD m_dwPid;
HWND m_hWnd;
};
BOOL CALLBACK _EnumWins(IN HWND h, IN LPARAM p)
{
if (p)
{
_PidHwnd *pItem = (_PidHwnd*)p;
DWORD dwPid = 0;
GetWindowThreadProcessId(h, &dwPid); /*句柄所属进程*/
if (dwPid == pItem->m_dwPid && IsWindowVisible(h) && 0 == GetParent(h)) /*顶层可见窗口*/
{
pItem->m_hWnd = h;
return FALSE; /*成功匹配,退出枚举*/
}
}
return TRUE; /*继续枚举*/
}
HWND GetProcessTopWnd1(IN DWORD dwPid)
{
_PidHwnd item = { 0 };
item.m_dwPid = dwPid;
EnumWindows(_EnumWins, (LPARAM)&item);
return item.m_hWnd;
}
int main()
{
STARTUPINFO si = { 0 };
si.cb = sizeof(si);
PROCESS_INFORMATION pi = { 0 };
BOOL b = CreateProcess(_T("C:\\Using\\winmine.exe"), 0, 0, 0, 0, 0, 0, 0, &si, &pi);
HWND h = 0;
if (b)
{
for (int i = 0; i < 5 && !h; ++i)
{
h = GetProcessTopWnd1(pi.dwProcessId);
Sleep(1000);
}
printf("%d %08X \r\n", h, h);
}
return 0;
}
原文链接: https://www.cnblogs.com/dailycode/p/12460168.html
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