GCC Windows Hide Current Windows with Key Press

#include<iostream>
#include<windows.h>
#include<winuser.h>
#include <string>
using namespace std;

//Warning Currently this program only remembers one Window
//So, if you hide two windows, it can only bring back the last Window
//the first will remain hidden

//Key Table http://www.kbdedit.com/manual/low_level_vk_list.html

int main(){
    HWND hWnd;

    while(true){

        //Press Left Shift and H to hide Current Window
        if (GetAsyncKeyState(VK_LSHIFT)){
            Sleep(500);
            if(GetAsyncKeyState(0x48)){
                hWnd = GetForegroundWindow();
                ShowWindow( hWnd, SW_HIDE );
                ShowWindow( hWnd, SW_HIDE );
            }
        }

        //Press Left Shift and S to Bring Window Back
        if (GetAsyncKeyState(VK_LSHIFT)){
            Sleep(500);
            if(GetAsyncKeyState(0x53)){
                ShowWindow( hWnd, SW_SHOW );
            }
        }

    }

    return 0;
}