Fixing WM_ENABLE ScrollBarWndProc. Tested it with 7-Zip, AbiWord, RegEdit and Winefile, all seem not to use it. Please test this.

Modified: trunk/reactos/lib/user32/controls/scrollbar.c
Modified: trunk/reactos/subsys/win32k/ntuser/scrollbar.c

--- trunk/reactos/lib/user32/controls/scrollbar.c	2005-07-14 23:11:28 UTC (rev 16570)
+++ trunk/reactos/lib/user32/controls/scrollbar.c	2005-07-15 01:42:22 UTC (rev 16571)
@@ -1263,18 +1263,25 @@

         IntScrollCreateScrollBar(Wnd, (LPCREATESTRUCTW) lParam);
         break;
 

-#if 0 /* FIXME */

+//#if 0 /* FIXME */

       case WM_ENABLE:
         {

-          SCROLLBAR_INFO *infoPtr;
-          if ((infoPtr = SCROLL_GetScrollBarInfo( hwnd, SB_CTL )))
-            {
-              infoPtr->flags = wParam ? ESB_ENABLE_BOTH : ESB_DISABLE_BOTH;
-              SCROLL_RefreshScrollBar(hwnd, SB_CTL, TRUE, TRUE);
-            }

+//          SCROLLBAR_INFO *infoPtr;
+//          if ((infoPtr = SCROLL_GetScrollBarInfo( hwnd, SB_CTL )))
+//            {
+//              infoPtr->flags = wParam ? ESB_ENABLE_BOTH : ESB_DISABLE_BOTH;
+//              SCROLL_RefreshScrollBar(hwnd, SB_CTL, TRUE, TRUE);
+//            }
+          DbgPrint("ScrollBarWndProc WM_ENABLE\n");
+          NtUserEnableScrollBar(Wnd,SB_CTL,wParam);
+          /* Refresh Scrollbars. */          
+          HDC hdc = GetDCEx( Wnd, 0, DCX_CACHE | SB_CTL );
+          if (!hdc) return 1;
+          IntDrawScrollBar( Wnd, hdc, SB_CTL);
+          ReleaseDC( Wnd, hdc );

 	}
 	return 0;

-#endif

+//#endif

 
       case WM_LBUTTONDBLCLK:
       case WM_LBUTTONDOWN:

--- trunk/reactos/subsys/win32k/ntuser/scrollbar.c	2005-07-14 23:11:28 UTC (rev 16570)
+++ trunk/reactos/subsys/win32k/ntuser/scrollbar.c	2005-07-15 01:42:22 UTC (rev 16571)
@@ -642,8 +642,12 @@

   if(wSBflags == SB_CTL)
   {
     /* FIXME */

+    DPRINT1("Enable Scrollbar SB_CTL\n");
+    InfoV = IntGetScrollbarInfoFromWindow(Window, SB_VERT);
+    Chg = IntEnableScrollBar(FALSE, InfoV ,wArrows);
+    /* Chg? Scrollbar is Refresh in user32/controls/scrollbar.c. */

     IntReleaseWindowObject(Window);

-    return FALSE;

+    return TRUE;

   }
 
   if(wSBflags != SB_BOTH && !SBID_IS_VALID(wSBflags))