#include <iostream>
#include <Windows.h>

using namespace std;

BOOL CALLBACK EnumWindowsProc(_In_ HWND hwnd, _In_  LPARAM lParam)
{
    DWORD pid;
    GetWindowThreadProcessId(hwnd, &pid);

    if (pid == 2324)
    {
        auto result = SetWindowPos(hwnd, 0, 400, 400, 400, 400, 0);

        if (result == 0)
        {
            cout << "Error " << GetLastError() << endl;
        }
    }

    return TRUE;
}

int main()
{
    EnumWindows(EnumWindowsProc, 0);

    system("pause");
    return 0;
}