[PATCH 3/4] quartz: Check whether the pin is connected in IVideoWindow::put_Visible().

[Zebediah Figura]

From: Zebediah Figura

Ferro CCTV calls this.
---
 dlls/quartz/tests/videorenderer.c | 3 +++
 dlls/quartz/tests/vmr7.c          | 3 +++
 dlls/quartz/tests/vmr9.c          | 3 +++
 dlls/quartz/window.c              | 3 +++
 4 files changed, 12 insertions(+)

diff --git a/dlls/quartz/tests/videorenderer.c b/dlls/quartz/tests/videorenderer.c
index 76088534924..edc4d40f19d 100644
--- a/dlls/quartz/tests/videorenderer.c
+++ b/dlls/quartz/tests/videorenderer.c
@@ -2402,6 +2402,9 @@ static void test_video_window(void)
     hr = IVideoWindow_put_MessageDrain(window, (OAHWND)our_hwnd);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

+    hr = IVideoWindow_put_Visible(window, OATRUE);
+    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);
diff --git a/dlls/quartz/tests/vmr7.c b/dlls/quartz/tests/vmr7.c
index 04bf7c1ba1b..7282458dc33 100644
--- a/dlls/quartz/tests/vmr7.c
+++ b/dlls/quartz/tests/vmr7.c
@@ -2401,6 +2401,9 @@ static void test_video_window(void)
     hr = IVideoWindow_put_MessageDrain(window, (OAHWND)our_hwnd);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

+    hr = IVideoWindow_put_Visible(window, OATRUE);
+    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);
diff --git a/dlls/quartz/tests/vmr9.c b/dlls/quartz/tests/vmr9.c
index 299b0de22d5..c201d316bab 100644
--- a/dlls/quartz/tests/vmr9.c
+++ b/dlls/quartz/tests/vmr9.c
@@ -2627,6 +2627,9 @@ static void test_video_window(void)
     hr = IVideoWindow_put_MessageDrain(window, (OAHWND)our_hwnd);
     ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

+    hr = IVideoWindow_put_Visible(window, OATRUE);
+    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);
diff --git a/dlls/quartz/window.c b/dlls/quartz/window.c
index 1b6d2664a10..130194bcc29 100644
--- a/dlls/quartz/window.c
+++ b/dlls/quartz/window.c
@@ -350,6 +350,9 @@ HRESULT WINAPI BaseControlWindowImpl_put_Visible(IVideoWindow *iface, LONG visib

TRACE("window %p, visible %ld.\n", window, visible);

+    if (!window->pPin->peer)
+        return VFW_E_NOT_CONNECTED;
+
     ShowWindow(window->hwnd, visible ? SW_SHOW : SW_HIDE);
     return S_OK;
 }