mouse

#include<bits/stdc++.h>
using namespace std;
#define WINVER 0x0500
#include <windows.h>
using namespace std;
// Forward declaration of the LeftClick function
void LeftClick ( );
// Forward declaration of the MouseMove function
void MouseMove ( int x, int y );
int main()
{

    Sleep(5000);
    MouseMove(300, 300);
    LeftClick();
    return 0;
}
// LeftClick function
void LeftClick ()
{
    INPUT Input = {};
    // left down
    Input.type      = INPUT_MOUSE;
    Input.mi.dwFlags  = MOUSEEVENTF_LEFTDOWN;
    ::SendInput(1,&Input,sizeof(INPUT));
    // left up
    ::ZeroMemory(&Input,sizeof(INPUT));/*
    Input.type      = INPUT_MOUSE;
    Input.mi.dwFlags  = MOUSEEVENTF_LEFTUP;
    ::SendInput(1,&Input,sizeof(INPUT));//*/
}
// MouseMove function
void MouseMove (int x, int y )
{
    double fScreenWidth    = ::GetSystemMetrics( SM_CXSCREEN )-1;
    double fScreenHeight  = ::GetSystemMetrics( SM_CYSCREEN )-1;
    double fx = x*(65535.0f/fScreenWidth);
    double fy = y*(65535.0f/fScreenHeight);
    INPUT  Input= {0};
    Input.type      = INPUT_MOUSE;
    Input.mi.dwFlags  = MOUSEEVENTF_MOVE|MOUSEEVENTF_ABSOLUTE;
    Input.mi.dx = fx;
    Input.mi.dy = fy;
    ::SendInput(1,&Input,sizeof(INPUT));
}