How To Code Invisible

static bool InviciblePatch;

void invisible()
{
DWORD dwServerPtr = *(DWORD*)ADR_ServerPointer;
if(dwServerPtr != 0)
{
if (!InviciblePatch)
{
if (GetAsyncKeyState(VK_NUMPAD1) &1)
{
MessageBeep(MB_ICONINFORMATION);
*(long*)(dwServerPtr+ADR_Invisible) -= 2;
InviciblePatch = true;
}
}
else
{
if (InviciblePatch)
{
if (GetAsyncKeyState(VK_NUMPAD2) &1)
{
MessageBeep(MB_ICONINFORMATION);
*(long*)(dwServerPtr+ADR_Invisible) += 2;
InviciblePatch = false;
}
}
}
}
}