*** src/gui_w32.c	Fri Feb 17 00:30:36 2012
--- src/gui_w32.c.mod	Fri Feb 17 00:31:10 2012
***************
*** 4283,4288 ****
--- 4283,4349 ----
  #endif
  
  #if defined(FEAT_GUI_TABLINE) || defined(PROTO)
+ static tabpage_T* s_tp;
+ static LONG DefTabControlProc;
+ static tabpage_T* GetTabFromPoint(HWND hWnd, POINT pt){
+     tabpage_T* ptp;
+     ptp = NULL;
+     if (gui_mch_showing_tabline()){
+ 	TCHITTESTINFO htinfo;
+ 	htinfo.pt = pt;
+ 	/* ignore if a window under cusor is not tabcontrol. */
+ 	if (s_tabhwnd == hWnd){
+ 	    int idx;
+ 	    idx = TabCtrl_HitTest(s_tabhwnd, &htinfo);
+ 	    if (idx != -1){
+ 		ptp = find_tabpage(idx + 1);
+ 	    }
+ 	}
+     }
+     return ptp;
+ }
+ static LRESULT CALLBACK MyTabControlProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam){
+     POINT pt;
+     switch (uMsg){
+ 	case WM_MBUTTONDOWN:
+ 	    {
+ 		pt.x = LOWORD(lParam);
+ 		pt.y = HIWORD(lParam);
+ 		s_tp = GetTabFromPoint(hWnd, pt);
+ 		SetCapture(hWnd);
+ 		break;
+ 	    }
+ 	case WM_MBUTTONUP:
+ 	    {
+ 		ReleaseCapture();
+ 		/* when the mouse events was executed on the same tab */
+ 		pt.x = LOWORD(lParam);
+ 		pt.y = HIWORD(lParam);
+ 		if (GetTabFromPoint(hWnd, pt) == s_tp){
+ 		    BOOL bResult;
+ 		    bResult = FALSE;
+ 		    if (s_tp == curtab){
+ 			if (first_tabpage->tp_next != NULL){
+ 			    tabpage_close(FALSE);
+ 			    bResult = TRUE;
+ 			}
+ 		    }
+ 		    else if (s_tp != NULL){
+ 			tabpage_close_other(s_tp, FALSE);
+ 			bResult = TRUE;
+ 		    }
+ 
+ 		    if  (bResult == TRUE) update_screen(0);
+ 		}
+ 		s_tp = NULL;
+ 		break;
+ 	    }
+ 	default:
+ 	    break;
+     }
+     /* call default TabControl proc */
+     return CallWindowProc(DefTabControlProc, hWnd, uMsg, wParam, lParam);
+ }
      static void
  initialise_tabline(void)
  {
***************
*** 4293,4298 ****
--- 4354,4361 ----
  	    CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
  	    CW_USEDEFAULT, s_hwnd, NULL, s_hinst, NULL);
  
+     DefTabControlProc = SetWindowLong(s_tabhwnd, GWL_WNDPROC, (LONG)MyTabControlProc);
+ 
      gui.tabline_height = TABLINE_HEIGHT;
  
  # ifdef USE_SYSMENU_FONT