Added handling of WM_ENABLE message.

dlls/comctl32/listview.c

diff --git a/dlls/comctl32/listview.c b/dlls/comctl32/listview.c
index 30ec601..3c6006b 100644
--- a/dlls/comctl32/listview.c
+++ b/dlls/comctl32/listview.c
@@ -7559,6 +7559,25 @@
 
 /***
  * DESCRIPTION:
+ * Enables the listview control.
+ *
+ * PARAMETER(S):
+ * [I] infoPtr : valid pointer to the listview structure
+ * [I] bEnable : specifies whether to enable or disable the window
+ *
+ * RETURN:
+ *   SUCCESS : TRUE
+ *   FAILURE : FALSE
+ */
+static BOOL LISTVIEW_Enable(LISTVIEW_INFO *infoPtr, BOOL bEnable)
+{
+    if (infoPtr->dwStyle & LVS_OWNERDRAWFIXED)
+        InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
+    return TRUE;
+}
+
+/***
+ * DESCRIPTION:
  * Erases the background of the listview control.
  *
  * PARAMETER(S):
@@ -9192,6 +9211,9 @@
   case WM_CREATE:
     return LISTVIEW_Create(hwnd, (LPCREATESTRUCTW)lParam);
 
+  case WM_ENABLE:
+    return LISTVIEW_Enable(infoPtr, (BOOL)wParam);
+
   case WM_ERASEBKGND:
     return LISTVIEW_EraseBkgnd(infoPtr, (HDC)wParam);