error LNK2001

HRESULT APIENTRY myEndScene(LPDIRECT3DDEVICE9 pDevice)
{
	if (Create)
	{
		D3DVIEWPORT9 viewP;
		pDevice->GetViewport(&viewP);
		POINT cpos;
		GetCursorPos(&cpos);
		ScreenToClient(GetForegroundWindow(), &cpos);	// Coors Relative to Foreground Windows
 
 
		static bool initGui = true;
		if (initGui)
		{
			initGui = false;
			Application::Instance()->Create(new Drawing::RendererDX9(pDevice)); //create Application
			Application::Instance()->Run(std::shared_ptr<Form>(new MainForm())); //set our mainform
			Application::Instance()->Enable(); //enable GUI
		}
 
		if (GetAsyncKeyState(VK_INSERT) & 1) {
			if (!MenuActive) {
				Application::Instance()->Enable();
				MenuActive = true;
			}
			else {
				Application::Instance()->Disable();
				MenuActive = false;
			}
		}
		HWND hwnd=FindWindow(0,"Warface");
 
		ShowWindow(hwnd,SW_SHOWDEFAULT);
		UpdateWindow(hwnd);
		MSG msg;
		ZeroMemory(&msg, sizeof(msg));
		if (PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
		{
			input.ProcessMessage(&msg);
			if (msg.message == WM_QUIT)
				return pEndScene(pDevice);
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
		else
		{
			Application::Instance()->GetRenderer()->Begin(); //begin rendering
			Application::Instance()->Render(); //render gui
			Application::Instance()->GetRenderer()->End(); //end rendering
		}
 
 
	}
	return pEndScene(pDevice);
}