Index: dockwnd.cpp
===================================================================
--- dockwnd.cpp (revision 1986)
+++ dockwnd.cpp (working copy)
@@ -120,7 +120,7 @@
         bNoToggle = true;
         QTimer::singleShot(0, this, SLOT(dbl_click()));
         return;
-    case WM_LBUTTONDOWN:
+    case WM_LBUTTONUP:
         if (bNoToggle)
             bNoToggle = false;
         else