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

[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              | 2 ++
 4 files changed, 11 insertions(+)

diff --git a/dlls/quartz/tests/videorenderer.c b/dlls/quartz/tests/videorenderer.c
index 903f173386b..f386d0e3edf 100644
--- a/dlls/quartz/tests/videorenderer.c
+++ b/dlls/quartz/tests/videorenderer.c
@@ -2387,6 +2387,9 @@ static void test_video_window(void)
     hr = IVideoWindow_get_WindowStyle(window, &l);
     todo_wine ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

+    hr = IVideoWindow_put_WindowStyle(window, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
+    ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
+
     hr = IVideoWindow_get_AutoShow(window, &l);
     todo_wine ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

diff --git a/dlls/quartz/tests/vmr7.c b/dlls/quartz/tests/vmr7.c
index 5019d1b610c..7240e51b1d9 100644
--- a/dlls/quartz/tests/vmr7.c
+++ b/dlls/quartz/tests/vmr7.c
@@ -2386,6 +2386,9 @@ static void test_video_window(void)
     hr = IVideoWindow_get_WindowStyle(window, &l);
     todo_wine ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

+    hr = IVideoWindow_put_WindowStyle(window, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
+    ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
+
     hr = IVideoWindow_get_AutoShow(window, &l);
     todo_wine ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

diff --git a/dlls/quartz/tests/vmr9.c b/dlls/quartz/tests/vmr9.c
index 838ba812299..8249857ff60 100644
--- a/dlls/quartz/tests/vmr9.c
+++ b/dlls/quartz/tests/vmr9.c
@@ -2612,6 +2612,9 @@ static void test_video_window(void)
     hr = IVideoWindow_get_WindowStyle(window, &l);
     todo_wine ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

+    hr = IVideoWindow_put_WindowStyle(window, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN);
+    ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);
+
     hr = IVideoWindow_get_AutoShow(window, &l);
     todo_wine ok(hr == VFW_E_NOT_CONNECTED, "Got hr %#lx.\n", hr);

diff --git a/dlls/quartz/window.c b/dlls/quartz/window.c
index 3f8d862fccd..f7242ecff58 100644
--- a/dlls/quartz/window.c
+++ b/dlls/quartz/window.c
@@ -231,6 +231,8 @@ HRESULT WINAPI BaseControlWindowImpl_put_WindowStyle(IVideoWindow *iface, LONG s

if (style & (WS_DISABLED|WS_HSCROLL|WS_MAXIMIZE|WS_MINIMIZE|WS_VSCROLL))
         return E_INVALIDARG;
+    if (!window->pPin->peer)
+        return VFW_E_NOT_CONNECTED;

SetWindowLongW(window->hwnd, GWL_STYLE, style);
     SetWindowPos(window->hwnd, 0, 0, 0, 0, 0,