<span class="gmail_quote"></span>My compiler is VC7.1.When compiling the demo.cpp,an runtime error occured.<br><br>the output is below:<br>original schedule<br>6:24 bob<br>0x003409F8&nbsp; 34?35&#39;52.56&quot; 134?2&#39;78.3&quot; 24th Street and 10th Avenue
<br>
0x00340A58&nbsp; 35?37&#39;23.456&quot; 133?5&#39;54.12&quot; State street and Cathedral Vista Lane<br>0x00340B08&nbsp; 35?36&#39;15.456&quot; 133?2&#39;15.3&quot; White House<br>9:57 bob<br>0x003409F8&nbsp; 34?35&#39;52.56&quot; 134?2&#39;
78.3&quot; 24th Street and 10th Avenue<br>0x00340A58&nbsp; 35?37&#39;23.456&quot; 133?5&#39;54.12&quot; State street and Cathedral Vista Lane<br>0x00340B08&nbsp; 35?36&#39;15.456&quot; 133?2&#39;15.3&quot; White House<br>11:2 alice
<br>0x003409F8&nbsp; 34?35&#39;52.56&quot; 134?2&#39;78.3&quot; 24th Street and 10th Avenue<br>0x00340A58&nbsp; 35?37&#39;23.456&quot; 133?5&#39;54.12&quot; State street and Cathedral Vista Lane<br>0x00340B08&nbsp; 35?36&#39;15.456&quot; 133?2&#39;
15.3&quot; White House<br>7:17 ted<br>0x00340B48&nbsp; 35?34&#39;48.789&quot; 133?2&#39;16.23&quot; Lincoln Memorial<br>0x00340B08&nbsp; 35?36&#39;15.456&quot; 133?2&#39;15.3&quot; White House<br>0x00340A58&nbsp; 35?37&#39;23.456&quot; 133?5&#39;
54.12&quot; State street and Cathedral Vista Lane<br>9:38 ted<br>0x00340B48&nbsp; 35?34&#39;48.789&quot; 133?2&#39;16.23&quot; Lincoln Memorial<br>0x00340B08&nbsp; 35?36&#39;15.456&quot; 133?2&#39;15.3&quot; White House<br>0x00340A58&nbsp; 35?37&#39;
23.456&quot; 133?5&#39;54.12&quot; State street and Cathedral Vista Lane<br>11:47 alice<br>0x00340B48&nbsp; 35?34&#39;48.789&quot; 133?2&#39;16.23&quot; Lincoln Memorial<br>0x00340B08&nbsp; 35?36&#39;15.456&quot; 133?2&#39;15.3&quot; White House
<br>0x00340A58&nbsp; 35?37&#39;23.456&quot; 133?5&#39;54.12&quot; State street and Cathedral Vista Lane<br>This application has requested the Runtime to terminate it in an unusual way.<br>Please contact the application&#39;s support team for more information.
<br><br>When debuging I found it cannot serialize the pointer.Why?<br><br>Thanks.<br><br>PS: boost&#39;s source code is hard for me,are there any good and easy ways of studying it?<br>