Draw and move pointer with keyboard arrows

#include <windows.h>

int main() {
    POINT p;
    int speed = 2;

    HWND asd = GetDesktopWindow();
    HDC aaa = GetDC(asd);

    COLORREF clr = RGB(0,0,250);

    while (true) {
        GetCursorPos(&p);

        if(GetAsyncKeyState(VK_LEFT))
            p.x -= speed;
        if(GetAsyncKeyState(VK_RIGHT))
            p.x += speed;
        if(GetAsyncKeyState(VK_UP))
            p.y -= speed;
        if(GetAsyncKeyState(VK_DOWN))
            p.y += speed;
        if(GetAsyncKeyState(VK_END))
            break;
        if(GetAsyncKeyState(VK_NEXT)) {
            //mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);
            SetPixel(aaa, p.x, p.y, clr);
            SetPixel(aaa, p.x+1, p.y+1, clr);
        }
        if(GetAsyncKeyState(VK_NUMPAD1))
            clr = RGB(0,255,0);
        if(GetAsyncKeyState(VK_NUMPAD2))
            clr = RGB(255,0,0);
        if(GetAsyncKeyState(VK_NUMPAD3))
            clr = RGB(150,0,100);

        SetCursorPos(p.x, p.y);
        Sleep(3);
    }

    return 0;
}