#include <stdio.h>
#include <Windows.h>

void spostaMouse(int x, int y);

int _tmain(int argc, _TCHAR* argv[])
{
    int i;

    for (i = 0; i < GetSystemMetrics(SM_CXSCREEN); i++)
    {
        spostaMouse(i, 200);
        Sleep(10);
    }

    return 0;
}

void spostaMouse(int x, int y)
{
    INPUT input;

    memset(&input, 0, sizeof(INPUT));

    input.type = INPUT_MOUSE;
    input.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;

    input.mi.mouseData = 0;

    input.mi.dx = x * (65536 / GetSystemMetrics(SM_CXSCREEN));
    input.mi.dy = y * (65536 / GetSystemMetrics(SM_CYSCREEN));

    SendInput(1, &input, sizeof(INPUT));

    return;
}