diff --git a/src/msw/bmpbuttn.cpp b/src/msw/bmpbuttn.cpp
index 744c8a48b6..e5b40ea968 100644
--- a/src/msw/bmpbuttn.cpp
+++ b/src/msw/bmpbuttn.cpp
@@ -75,12 +75,25 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
   if ( height == -1 && bitmap.Ok())
     height = bitmap.GetHeight() + 2*m_marginY;
 
+	long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
+
+#ifdef __WIN32__
+    if(m_windowStyle & wxBU_LEFT)
+        msStyle |= BS_LEFT;
+    if(m_windowStyle & wxBU_RIGHT)
+        msStyle |= BS_RIGHT;
+    if(m_windowStyle & wxBU_TOP)
+        msStyle |= BS_TOP;
+    if(m_windowStyle & wxBU_BOTTOM)
+        msStyle |= BS_BOTTOM;
+#endif
+
   m_hWnd = (WXHWND)CreateWindowEx
                    (
                     0,
                     wxT("BUTTON"),
                     wxT(""),
-                    WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ,
+                    msStyle,
                     0, 0, 0, 0, 
                     GetWinHwnd(parent),
                     (HMENU)m_windowId,
@@ -103,6 +116,9 @@ void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
   m_buttonBitmap = bitmap;
 }
 
+// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
+#define FOCUS_MARGIN 3
+
 bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 {
 #if defined(__WIN95__)
@@ -144,8 +160,22 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
     int height = lpDIS->rcItem.bottom - y;
     int wBmp   = bitmap->GetWidth();
     int hBmp   = bitmap->GetHeight();
-    int x1     = x + (width - wBmp) / 2;
-    int y1     = y + (height - hBmp) / 2;
+
+	int x1,y1;
+	
+    if(m_windowStyle & wxBU_LEFT)
+        x1 = x + (FOCUS_MARGIN+1);
+    else if(m_windowStyle & wxBU_RIGHT)
+        x1 = x + (width - wBmp) - (FOCUS_MARGIN+1);
+    else
+        x1 = x + (width - wBmp) / 2;
+
+    if(m_windowStyle & wxBU_TOP)
+        y1 = y + (FOCUS_MARGIN+1);
+    else if(m_windowStyle & wxBU_BOTTOM)
+        y1 = y + (height - hBmp) - (FOCUS_MARGIN+1);
+    else
+        y1 = y + (height - hBmp) / 2;
 
     if ( isSelected && autoDraw )
     {
@@ -308,9 +338,6 @@ void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int botto
 #endif // defined(__WIN95__)
 
 
-// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
-#define FOCUS_MARGIN 3
-
 void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel )
 {
     RECT rect;
diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index d6c31365cc..9700593435 100644
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -74,13 +74,25 @@ bool wxButton::Create(wxWindow *parent,
     m_backgroundColour = parent->GetBackgroundColour();
     m_foregroundColour = parent->GetForegroundColour();
 
+	long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD;
+
+#ifdef __WIN32__
+    if(m_windowStyle & wxBU_LEFT)
+        msStyle |= BS_LEFT;
+    if(m_windowStyle & wxBU_RIGHT)
+        msStyle |= BS_RIGHT;
+    if(m_windowStyle & wxBU_TOP)
+        msStyle |= BS_TOP;
+    if(m_windowStyle & wxBU_BOTTOM)
+        msStyle |= BS_BOTTOM;
+#endif
 
     m_hWnd = (WXHWND)CreateWindowEx
                      (
                       MakeExtendedStyle(m_windowStyle),
                       wxT("BUTTON"),
                       label,
-                      WS_VISIBLE | WS_TABSTOP | WS_CHILD,
+                      msStyle,
                       0, 0, 0, 0,
                       GetWinHwnd(parent),
                       (HMENU)m_windowId,
diff --git a/src/msw/helpchm.cpp b/src/msw/helpchm.cpp
index fa764212f8..2fa6dd4495 100644
--- a/src/msw/helpchm.cpp
+++ b/src/msw/helpchm.cpp
@@ -59,7 +59,8 @@ bool wxCHMHelpController::Initialize(const wxString& filename)
 
 bool wxCHMHelpController::LoadFile(const wxString& file)
 {
-    m_helpFile = file;
+    if (!file.IsEmpty())
+        m_helpFile = file;
     return TRUE;
 }
 
diff --git a/src/msw/helpwin.cpp b/src/msw/helpwin.cpp
index fc3c34ba73..74d9160f7f 100644
--- a/src/msw/helpwin.cpp
+++ b/src/msw/helpwin.cpp
@@ -55,7 +55,8 @@ bool wxWinHelpController::Initialize(const wxString& filename)
 
 bool wxWinHelpController::LoadFile(const wxString& file)
 {
-    m_helpFile = file;
+    if (!file.IsEmpty())
+        m_helpFile = file;
     return TRUE;
 }
 
diff --git a/src/msw/makefile.vc b/src/msw/makefile.vc
index 02c64926a3..967172ade2 100644
--- a/src/msw/makefile.vc
+++ b/src/msw/makefile.vc
@@ -615,7 +615,7 @@ rcparser:
     nmake -f makefile.vc FINAL=$(FINAL)
     cd $(WXDIR)\src\msw
 
-cleanall: clean_png clean_zlib clean_xpm clean_jpeg clean_tiff
+cleanall: clean clean_png clean_zlib clean_xpm clean_jpeg clean_tiff
         -erase ..\..\lib\wx$(WXVERSION)$(LIBEXT).dll
         -erase ..\..\lib\wx$(WXVERSION)$(LIBEXT).lib
         -erase ..\..\lib\wx$(WXVERSION)$(LIBEXT).exp
diff --git a/src/msw/taskbar.cpp b/src/msw/taskbar.cpp
index fc4f1cb9ca..13235cea9d 100644
--- a/src/msw/taskbar.cpp
+++ b/src/msw/taskbar.cpp
@@ -182,8 +182,14 @@ bool wxTaskBarIcon::PopupMenu(wxMenu *menu) //, int x, int y);
 
     menu->UpdateUI();
 
+    // Work around a WIN32 bug
+    ::SetForegroundWindow ((HWND) win->GetHWND ());
+
     rval = win->PopupMenu(menu, 0, 0);
 
+    // Work around a WIN32 bug
+    ::PostMessage ((HWND) win->GetHWND(),WM_NULL,0,0L);
+
     win->PopEventHandler(FALSE);
     win->Destroy();
     delete win;