Index: msgqueue.c
===================================================================
--- msgqueue.c	(revision 34286)
+++ msgqueue.c	(working copy)
@@ -215,7 +215,9 @@
 
    CurInfo = IntGetSysCursorInfo(WinStaObject);
    Res = (Msg->hwnd == (HWND)CurInfo->LastClkWnd) &&
-         ((Msg->time - CurInfo->LastBtnDown) < CurInfo->DblClickSpeed);
+         ((Msg->time - CurInfo->LastBtnDown) < CurInfo->DblClickSpeed) &&
+         (Msg->time != CurInfo->LastBtnDown);
+   DPRINT1("MsqIsDblClk with Message-Time=%d, LastBtnDown=%d, DblClickSpeed=%d\n", Msg->time, CurInfo->LastBtnDown, CurInfo->DblClickSpeed);
    if(Res)
    {
 
@@ -255,7 +257,7 @@
 		 CurInfo->ButtonsDown = Msg->message;
       }
    }
-
+   DPRINT1("MsqIsDblClk returning %d\n", Res);
    return Res;
 }