diff --git a/reactos/base/applications/rapps/splitter.c b/reactos/base/applications/rapps/splitter.c
index b0126b3055c..12e6e9cc914 100644
--- a/reactos/base/applications/rapps/splitter.c
+++ b/reactos/base/applications/rapps/splitter.c
@@ -75,36 +75,40 @@ HSplitterWindowProc(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam)
                 hdwp = BeginDeferWindowPos(3);
 
                 /* Size HSplitBar */
-                DeferWindowPos(hdwp,
-                               hHSplitter,
-                               0,
-                               GetWindowWidth(hTreeView) + SPLIT_WIDTH,
-                               Point.y,
-                               Width,
-                               SPLIT_WIDTH,
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hHSplitter,
+                                          0,
+                                          GetWindowWidth(hTreeView) + SPLIT_WIDTH,
+                                          Point.y,
+                                          Width,
+                                          SPLIT_WIDTH,
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size ListView */
-                DeferWindowPos(hdwp,
-                               hListView,
-                               0,
-                               GetWindowWidth(hTreeView) + SPLIT_WIDTH,
-                               GetWindowHeight(hToolBar),
-                               Width,
-                               Point.y - GetWindowHeight(hToolBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hListView,
+                                          0,
+                                          GetWindowWidth(hTreeView) + SPLIT_WIDTH,
+                                          GetWindowHeight(hToolBar),
+                                          Width,
+                                          Point.y - GetWindowHeight(hToolBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size RichEdit */
-                DeferWindowPos(hdwp,
-                               hRichEdit,
-                               0,
-                               GetWindowWidth(hTreeView) + SPLIT_WIDTH,
-                               Point.y + SPLIT_WIDTH,
-                               Width,
-                               GetClientWindowHeight(hMainWnd) - (Point.y + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hRichEdit,
+                                          0,
+                                          GetWindowWidth(hTreeView) + SPLIT_WIDTH,
+                                          Point.y + SPLIT_WIDTH,
+                                          Width,
+                                          GetClientWindowHeight(hMainWnd) - (Point.y + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                EndDeferWindowPos(hdwp);
+                if (hdwp)
+                    EndDeferWindowPos(hdwp);
             }
         break;
     }
@@ -192,54 +196,60 @@ VSplitterWindowProc(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam)
                 hdwp = BeginDeferWindowPos(5);
 
                 /* Size VSplitBar */
-                DeferWindowPos(hdwp,
-                               hwnd,
-                               0,
-                               Point.x,
-                               GetWindowHeight(hToolBar),
-                               SPLIT_WIDTH,
-                               GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hwnd,
+                                          0,
+                                          Point.x,
+                                          GetWindowHeight(hToolBar),
+                                          SPLIT_WIDTH,
+                                          GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size TreeView */
-                DeferWindowPos(hdwp,
-                               hTreeView,
-                               0,
-                               0,
-                               GetWindowHeight(hToolBar),
-                               Point.x,
-                               GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hTreeView,
+                                          0,
+                                          0,
+                                          GetWindowHeight(hToolBar),
+                                          Point.x,
+                                          GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size ListView */
-                DeferWindowPos(hdwp,
-                               hListView,
-                               0,
-                               Point.x + SPLIT_WIDTH,
-                               GetWindowHeight(hToolBar),
-                               GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
-                               GetHSplitterPos() - GetWindowHeight(hToolBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hListView,
+                                          0,
+                                          Point.x + SPLIT_WIDTH,
+                                          GetWindowHeight(hToolBar),
+                                          GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
+                                          GetHSplitterPos() - GetWindowHeight(hToolBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                DeferWindowPos(hdwp,
-                               hRichEdit,
-                               0,
-                               Point.x + SPLIT_WIDTH,
-                               GetHSplitterPos() + SPLIT_WIDTH,
-                               GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
-                               GetClientWindowHeight(hMainWnd) - (GetHSplitterPos() + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hRichEdit,
+                                          0,
+                                          Point.x + SPLIT_WIDTH,
+                                          GetHSplitterPos() + SPLIT_WIDTH,
+                                          GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
+                                          GetClientWindowHeight(hMainWnd) - (GetHSplitterPos() + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                DeferWindowPos(hdwp,
-                               hHSplitter,
-                               0,
-                               Point.x + SPLIT_WIDTH,
-                               GetHSplitterPos(),
-                               GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
-                               SPLIT_WIDTH,
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hHSplitter,
+                                          0,
+                                          Point.x + SPLIT_WIDTH,
+                                          GetHSplitterPos(),
+                                          GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
+                                          SPLIT_WIDTH,
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                EndDeferWindowPos(hdwp);
+                if (hdwp)
+                    EndDeferWindowPos(hdwp);
             }
         break;
     }
diff --git a/reactos/base/applications/rapps/winmain.c b/reactos/base/applications/rapps/winmain.c
index f721990e26e..923a5f1f01b 100644
--- a/reactos/base/applications/rapps/winmain.c
+++ b/reactos/base/applications/rapps/winmain.c
@@ -517,24 +517,26 @@ MainWndOnSize(HWND hwnd, WPARAM wParam, LPARAM lParam)
      */
 
     /* Size vertical splitter bar */
-    DeferWindowPos(hdwp,
-                   hVSplitter,
-                   0,
-                   (VSplitterPos = GetWindowWidth(hTreeView)),
-                   GetWindowHeight(hToolBar),
-                   SPLIT_WIDTH,
-                   HIWORD(lParam) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
-                   SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp)
+        hdwp = DeferWindowPos(hdwp,
+                              hVSplitter,
+                              0,
+                              (VSplitterPos = GetWindowWidth(hTreeView)),
+                              GetWindowHeight(hToolBar),
+                              SPLIT_WIDTH,
+                              HIWORD(lParam) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
+                              SWP_NOZORDER|SWP_NOACTIVATE);
 
     /* Size TreeView */
-    DeferWindowPos(hdwp,
-                   hTreeView,
-                   0,
-                   0,
-                   GetWindowHeight(hToolBar),
-                   VSplitterPos,
-                   HIWORD(lParam) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
-                   SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp)
+        hdwp = DeferWindowPos(hdwp,
+                              hTreeView,
+                              0,
+                              0,
+                              GetWindowHeight(hToolBar),
+                              VSplitterPos,
+                              HIWORD(lParam) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
+                              SWP_NOZORDER|SWP_NOACTIVATE);
 
     if(wParam != SIZE_MINIMIZED)
     {
@@ -548,36 +550,40 @@ MainWndOnSize(HWND hwnd, WPARAM wParam, LPARAM lParam)
     SetHSplitterPos(NewPos);
 
     /* Size ListView */
-    DeferWindowPos(hdwp,
-                   hListView,
-                   0,
-                   VSplitterPos + SPLIT_WIDTH,
-                   GetWindowHeight(hToolBar),
-                   LOWORD(lParam) - (VSplitterPos + SPLIT_WIDTH),
-                   GetHSplitterPos() - GetWindowHeight(hToolBar),
-                   SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp)
+        hdwp = DeferWindowPos(hdwp,
+                              hListView,
+                              0,
+                              VSplitterPos + SPLIT_WIDTH,
+                              GetWindowHeight(hToolBar),
+                              LOWORD(lParam) - (VSplitterPos + SPLIT_WIDTH),
+                              GetHSplitterPos() - GetWindowHeight(hToolBar),
+                              SWP_NOZORDER|SWP_NOACTIVATE);
 
     /* Size RichEdit */
-    DeferWindowPos(hdwp,
-                   hRichEdit,
-                   0,
-                   VSplitterPos + SPLIT_WIDTH,
-                   GetHSplitterPos() + SPLIT_WIDTH,
-                   LOWORD(lParam) - (VSplitterPos + SPLIT_WIDTH),
-                   RichPos,
-                   SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp)
+        hdwp = DeferWindowPos(hdwp,
+                              hRichEdit,
+                              0,
+                              VSplitterPos + SPLIT_WIDTH,
+                              GetHSplitterPos() + SPLIT_WIDTH,
+                              LOWORD(lParam) - (VSplitterPos + SPLIT_WIDTH),
+                              RichPos,
+                              SWP_NOZORDER|SWP_NOACTIVATE);
 
     /* Size horizontal splitter bar */
-    DeferWindowPos(hdwp,
-                   hHSplitter,
-                   0,
-                   VSplitterPos + SPLIT_WIDTH,
-                   GetHSplitterPos(),
-                   LOWORD(lParam) - (VSplitterPos + SPLIT_WIDTH),
-                   SPLIT_WIDTH,
-                   SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp)
+        hdwp = DeferWindowPos(hdwp,
+                              hHSplitter,
+                              0,
+                              VSplitterPos + SPLIT_WIDTH,
+                              GetHSplitterPos(),
+                              LOWORD(lParam) - (VSplitterPos + SPLIT_WIDTH),
+                              SPLIT_WIDTH,
+                              SWP_NOZORDER|SWP_NOACTIVATE);
 
-    EndDeferWindowPos(hdwp);
+    if (hdwp)
+        EndDeferWindowPos(hdwp);
 }
 
 BOOL IsSelectedNodeInstalled(void)
diff --git a/reactos/base/applications/rapps_new/gui.cpp b/reactos/base/applications/rapps_new/gui.cpp
index b195b72a366..29a1cda0f1b 100644
--- a/reactos/base/applications/rapps_new/gui.cpp
+++ b/reactos/base/applications/rapps_new/gui.cpp
@@ -600,14 +600,14 @@ private:
 
         int count = m_ClientPanel->CountSizableChildren();
         hdwp = BeginDeferWindowPos(count);
-        hdwp = m_ClientPanel->OnParentSize(r, hdwp);
-        EndDeferWindowPos(hdwp);
+        if (hdwp) hdwp = m_ClientPanel->OnParentSize(r, hdwp);
+        if (hdwp) EndDeferWindowPos(hdwp);
 
         // TODO: Sub-layouts for children of children
         count = m_SearchBar->CountSizableChildren();
         hdwp = BeginDeferWindowPos(count);
-        hdwp = m_SearchBar->OnParentSize(r, hdwp);
-        EndDeferWindowPos(hdwp);
+        if (hdwp) hdwp = m_SearchBar->OnParentSize(r, hdwp);
+        if (hdwp) EndDeferWindowPos(hdwp);
     }
 
     BOOL ProcessWindowMessage(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam, LRESULT& theResult, DWORD dwMapId)
diff --git a/reactos/base/applications/rapps_new/rosui.h b/reactos/base/applications/rapps_new/rosui.h
index fcd5aabde8f..2b58f83f796 100644
--- a/reactos/base/applications/rapps_new/rosui.h
+++ b/reactos/base/applications/rapps_new/rosui.h
@@ -769,8 +769,8 @@ public:
 
         HDWP hdwp = NULL;
         hdwp = BeginDeferWindowPos(count);
-        hdwp = OnParentSize(m_LastRect, hdwp);
-        EndDeferWindowPos(hdwp);
+        if (hdwp) hdwp = OnParentSize(m_LastRect, hdwp);
+        if (hdwp) EndDeferWindowPos(hdwp);
     }
 
 public:
diff --git a/reactos/base/applications/rapps_new/splitter.cpp b/reactos/base/applications/rapps_new/splitter.cpp
index 05902ff4452..7d6fba54f23 100644
--- a/reactos/base/applications/rapps_new/splitter.cpp
+++ b/reactos/base/applications/rapps_new/splitter.cpp
@@ -75,36 +75,40 @@ HSplitterWindowProc(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam)
                 hdwp = BeginDeferWindowPos(3);
 
                 /* Size HSplitBar */
-                DeferWindowPos(hdwp,
-                               hHSplitter,
-                               0,
-                               GetWindowWidth(hTreeView) + SPLIT_WIDTH,
-                               Point.y,
-                               Width,
-                               SPLIT_WIDTH,
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hHSplitter,
+                                          0,
+                                          GetWindowWidth(hTreeView) + SPLIT_WIDTH,
+                                          Point.y,
+                                          Width,
+                                          SPLIT_WIDTH,
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size ListView */
-                DeferWindowPos(hdwp,
-                               hListView,
-                               0,
-                               GetWindowWidth(hTreeView) + SPLIT_WIDTH,
-                               GetWindowHeight(hToolBar),
-                               Width,
-                               Point.y - GetWindowHeight(hToolBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hListView,
+                                          0,
+                                          GetWindowWidth(hTreeView) + SPLIT_WIDTH,
+                                          GetWindowHeight(hToolBar),
+                                          Width,
+                                          Point.y - GetWindowHeight(hToolBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size RichEdit */
-                DeferWindowPos(hdwp,
-                               hRichEdit,
-                               0,
-                               GetWindowWidth(hTreeView) + SPLIT_WIDTH,
-                               Point.y + SPLIT_WIDTH,
-                               Width,
-                               GetClientWindowHeight(hMainWnd) - (Point.y + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hRichEdit,
+                                          0,
+                                          GetWindowWidth(hTreeView) + SPLIT_WIDTH,
+                                          Point.y + SPLIT_WIDTH,
+                                          Width,
+                                          GetClientWindowHeight(hMainWnd) - (Point.y + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                EndDeferWindowPos(hdwp);
+                if (hdwp)
+                    EndDeferWindowPos(hdwp);
             }
         break;
     }
@@ -192,54 +196,60 @@ VSplitterWindowProc(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam)
                 hdwp = BeginDeferWindowPos(5);
 
                 /* Size VSplitBar */
-                DeferWindowPos(hdwp,
-                               hwnd,
-                               0,
-                               Point.x,
-                               GetWindowHeight(hToolBar),
-                               SPLIT_WIDTH,
-                               GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hwnd,
+                                          0,
+                                          Point.x,
+                                          GetWindowHeight(hToolBar),
+                                          SPLIT_WIDTH,
+                                          GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size TreeView */
-                DeferWindowPos(hdwp,
-                               hTreeView,
-                               0,
-                               0,
-                               GetWindowHeight(hToolBar),
-                               Point.x,
-                               GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hTreeView,
+                                          0,
+                                          0,
+                                          GetWindowHeight(hToolBar),
+                                          Point.x,
+                                          GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
                 /* Size ListView */
-                DeferWindowPos(hdwp,
-                               hListView,
-                               0,
-                               Point.x + SPLIT_WIDTH,
-                               GetWindowHeight(hToolBar),
-                               GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
-                               GetHSplitterPos() - GetWindowHeight(hToolBar),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hListView,
+                                          0,
+                                          Point.x + SPLIT_WIDTH,
+                                          GetWindowHeight(hToolBar),
+                                          GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
+                                          GetHSplitterPos() - GetWindowHeight(hToolBar),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                DeferWindowPos(hdwp,
-                               hRichEdit,
-                               0,
-                               Point.x + SPLIT_WIDTH,
-                               GetHSplitterPos() + SPLIT_WIDTH,
-                               GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
-                               GetClientWindowHeight(hMainWnd) - (GetHSplitterPos() + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hRichEdit,
+                                          0,
+                                          Point.x + SPLIT_WIDTH,
+                                          GetHSplitterPos() + SPLIT_WIDTH,
+                                          GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
+                                          GetClientWindowHeight(hMainWnd) - (GetHSplitterPos() + SPLIT_WIDTH + GetWindowHeight(hStatusBar)),
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                DeferWindowPos(hdwp,
-                               hHSplitter,
-                               0,
-                               Point.x + SPLIT_WIDTH,
-                               GetHSplitterPos(),
-                               GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
-                               SPLIT_WIDTH,
-                               SWP_NOZORDER|SWP_NOACTIVATE);
+                if (hdwp)
+                    hdwp = DeferWindowPos(hdwp,
+                                          hHSplitter,
+                                          0,
+                                          Point.x + SPLIT_WIDTH,
+                                          GetHSplitterPos(),
+                                          GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH),
+                                          SPLIT_WIDTH,
+                                          SWP_NOZORDER|SWP_NOACTIVATE);
 
-                EndDeferWindowPos(hdwp);
+                if (hdwp)
+                    EndDeferWindowPos(hdwp);
             }
         break;
     }
diff --git a/reactos/base/applications/regedit/childwnd.c b/reactos/base/applications/regedit/childwnd.c
index e3469c9a72d..0036536b912 100644
--- a/reactos/base/applications/regedit/childwnd.c
+++ b/reactos/base/applications/regedit/childwnd.c
@@ -52,11 +52,11 @@ extern void ResizeWnd(int cx, int cy)
     }
     GetWindowRect(g_pChildWnd->hAddressBtnWnd, &rb);
     cx = g_pChildWnd->nSplitPos + SPLIT_WIDTH/2;
-    DeferWindowPos(hdwp, g_pChildWnd->hAddressBarWnd, 0, rt.left, rt.top, rt.right-rt.left - 2*tHeight, tHeight, SWP_NOZORDER|SWP_NOACTIVATE);
-    DeferWindowPos(hdwp, g_pChildWnd->hAddressBtnWnd, 0, rt.right - 2*tHeight, rt.top, 2*tHeight, tHeight, SWP_NOZORDER|SWP_NOACTIVATE);
-    DeferWindowPos(hdwp, g_pChildWnd->hTreeWnd, 0, rt.left, rt.top + tHeight+2, g_pChildWnd->nSplitPos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top-cy, SWP_NOZORDER|SWP_NOACTIVATE);
-    DeferWindowPos(hdwp, g_pChildWnd->hListWnd, 0, rt.left+cx, rt.top + tHeight+2, rt.right-cx, rt.bottom-rt.top-cy, SWP_NOZORDER|SWP_NOACTIVATE);
-    EndDeferWindowPos(hdwp);
+    if (hdwp) hdwp = DeferWindowPos(hdwp, g_pChildWnd->hAddressBarWnd, 0, rt.left, rt.top, rt.right-rt.left - 2*tHeight, tHeight, SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp) hdwp = DeferWindowPos(hdwp, g_pChildWnd->hAddressBtnWnd, 0, rt.right - 2*tHeight, rt.top, 2*tHeight, tHeight, SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp) hdwp = DeferWindowPos(hdwp, g_pChildWnd->hTreeWnd, 0, rt.left, rt.top + tHeight+2, g_pChildWnd->nSplitPos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top-cy, SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp) hdwp = DeferWindowPos(hdwp, g_pChildWnd->hListWnd, 0, rt.left+cx, rt.top + tHeight+2, rt.right-cx, rt.bottom-rt.top-cy, SWP_NOZORDER|SWP_NOACTIVATE);
+    if (hdwp) EndDeferWindowPos(hdwp);
 }
 
 /*******************************************************************************