comctl32/listview: Call default handler for WM_PAINT disabled by WM_SETREDRAW.

dlls/comctl32/listview.c

@@ -9781,7 +9781,8 @@ static inline LRESULT LISTVIEW_WMPaint(LISTVIEW_INFO *infoPtr, HDC hdc)
 {
     TRACE("(hdc=%p)\n", hdc);
 
-    if (!is_redrawing(infoPtr)) return 0;
+    if (!is_redrawing(infoPtr))
+        return DefWindowProcW (infoPtr->hwndSelf, WM_PAINT, (WPARAM)hdc, 0);
 
     return LISTVIEW_Paint(infoPtr, hdc);
 }

dlls/comctl32/tests/listview.c

@@ -2770,6 +2770,7 @@ static void test_setredraw(void)
     DWORD_PTR style;
     DWORD ret;
     HDC hdc;
+    RECT rect;
 
     hwnd = create_listview_control(LVS_OWNERDATA);
     ok(hwnd != NULL, "failed to create a listview window\n");
@@ -2790,6 +2791,16 @@ static void test_setredraw(void)
     ret = SendMessage(hwnd, WM_SETREDRAW, TRUE, 0);
     expect(0, ret);
 
+    /* check update rect after redrawing */
+    ret = SendMessage(hwnd, WM_SETREDRAW, FALSE, 0);
+    expect(0, ret);
+    InvalidateRect(hwnd, NULL, FALSE);
+    RedrawWindow(hwnd, NULL, NULL, RDW_UPDATENOW);
+    rect.right = rect.bottom = 1;
+    GetUpdateRect(hwnd, &rect, FALSE);
+    expect(0, rect.right);
+    expect(0, rect.bottom);
+
     /* WM_ERASEBKGND */
     hdc = GetWindowDC(hwndparent);
     ret = SendMessage(hwnd, WM_ERASEBKGND, (WPARAM)hdc, 0);