Mouseclick outside from widget

[binio]

Hello,

i want set and click the cursor outside from my Application (e.k. a game in windowsmode or a word dokument).

I have tested

QCursor::setPos(10,10);

QCursor::setPos(10,10);

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to set my Mouseposition. Its work, the mousposition are outside on my widget and application(my application is only 1 px big).
but the click doesnt work

I have use/testing

#include <Windows.h>
...
mouse_event(MOUSEEVENTF_LEFTDOWN,0, 0, 0,0);
mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0,0);

#include <Windows.h>
...
mouse_event(MOUSEEVENTF_LEFTDOWN,0, 0, 0,0);
mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0,0);

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or

CONFIG += qtestlib

CONFIG += qtestlib

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#include <QtTest/QTest>
...
QTestEventList *eventList=new QTestEventList();
eventList->addDelay(2000);
eventList->addMouseMove(QPoint(15,35));
eventList->addMouseClick(Qt::LeftButton,Qt::NoModifier,QPoint(15,35));
eventList->simulate(this);

#include <QtTest/QTest>
...
QTestEventList *eventList=new QTestEventList();
eventList->addDelay(2000);
eventList->addMouseMove(QPoint(15,35));
eventList->addMouseClick(Qt::LeftButton,Qt::NoModifier,QPoint(15,35));
eventList->simulate(this);

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but nothing work

Idont know what i can do.... can someone help me please ?