quartz: Check whether the pin is connected in IVideoWindow::SetWindowPosition().

dlls/quartz/tests/videorenderer.c

@@ -2405,6 +2405,9 @@ static void test_video_window(void)
     hr = IVideoWindow_put_Visible(window, OATRUE);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
 
+    hr = IVideoWindow_SetWindowPosition(window, 100, 200, 300, 400);
+    ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
+
     testfilter_init(&source);
     IFilterGraph2_AddFilter(graph, &source.filter.IBaseFilter_iface, NULL);
     IFilterGraph2_AddFilter(graph, filter, NULL);

dlls/quartz/tests/vmr7.c

@@ -2404,6 +2404,9 @@ static void test_video_window(void)
     hr = IVideoWindow_put_Visible(window, OATRUE);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
 
+    hr = IVideoWindow_SetWindowPosition(window, 100, 200, 300, 400);
+    ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
+
     testfilter_init(&source);
     IFilterGraph2_AddFilter(graph, &source.filter.IBaseFilter_iface, NULL);
     IFilterGraph2_AddFilter(graph, filter, NULL);

dlls/quartz/tests/vmr9.c

@@ -2630,6 +2630,9 @@ static void test_video_window(void)
     hr = IVideoWindow_put_Visible(window, OATRUE);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
 
+    hr = IVideoWindow_SetWindowPosition(window, 100, 200, 300, 400);
+    ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
+
     testfilter_init(&source);
     IFilterGraph2_AddFilter(graph, &source.filter.IBaseFilter_iface, NULL);
     IFilterGraph2_AddFilter(graph, filter, NULL);

dlls/quartz/window.c

@@ -598,6 +598,9 @@ HRESULT WINAPI BaseControlWindowImpl_SetWindowPosition(IVideoWindow *iface,
 
     TRACE("window %p, left %ld, top %ld, width %ld, height %ld.\n", window, left, top, width, height);
 
+    if (!window->pPin->peer)
+        return VFW_E_NOT_CONNECTED;
+
     if (!SetWindowPos(window->hwnd, NULL, left, top, width, height, SWP_NOACTIVATE | SWP_NOZORDER))
         return E_FAIL;
     return S_OK;