Function ProcessControlMessage

src/injectables/WindowCaptureHook.cpp:159–194

}

static bool ProcessControlMessage(
  HWND hwnd,
  unsigned int message,
  WPARAM wParam,
  LPARAM lParam) {
  static UINT sControlMessage
    = RegisterWindowMessageW(WindowCaptureControl::WindowMessageName);

  if (message != sControlMessage) {
    return false;
  }

  using WParam = WindowCaptureControl::WParam;
  switch (static_cast<WParam>(wParam)) {
    case WParam::Initialize:
      gTopLevelWindow = reinterpret_cast<HWND>(lParam);
      InstallDetours();
      break;
    case WParam::StartInjection:
      gInjecting++;
      gTopLevelWindow = reinterpret_cast<HWND>(lParam);
      gLastSetForegroundWindow = gTopLevelWindow;
      gLastInjectedAt = std::chrono::steady_clock::now();
      InstallDetours();
      break;
    case WParam::EndInjection:
      gInjecting--;
      if (!gInjecting) {
        gInjectedPoint = {};
        gLastSetForegroundWindow = {};
      }
      break;
  }

  return true;
}

static bool
ProcessMessage(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {