<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div>Hello,<br>I have meet the error  of unhandled exception of type 'System.Exception' occurred in Kitware.mummy.Runtime.dll, it happens so offen, but I  cannot figure out what's the reason. Attached please find complete solution where the error happens. the steps to reproduce it:<br>1) run under debug mode<br>2) click the "button1" 10 times quickly (normally I click 10 times less than 5 seconds), and then move the mouse into the RenderWindowControl<br>3) repeat step2) , normally I repeat step 2) at about 4~5 times, and the crash will happens.<br><br>I have test it under ActiViz.NET 5.8.0 (download from website directly), ActiVizDotNet6.2 ( I built it myself), Activiz.NET.x64.7.0.0(our company bought it), the above crash can be reproduced with different verion of Activiz.<br><br>and it happens so offen that in another of my bigger program, it crashes when I click the button only about 3 times.<br><br>will anybody help me to find out what's the reason?<br><br>Thanks & Best Regards<br>James<br><br><br> <br><br><br>partMapper.SetInputData(polyData);<br></div></div><div id="divNeteaseBigAttach" style="clear:both;margin-top:10px;margin-bottom:15px;background:#DEE8F2;padding:4px;font-family:verdana,Arial,Helvetica,sans-serif"><div style="font-size:14px;padding:4px 8px 8px 8px;line-height:16px"><b>从网易163邮箱发来的云附件</b></div><div style="background:#fff;padding:4px"><div style="clear:both;height:36px;padding:6px 4px"><div style="float:left;width:36px"><a href="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=AylKkyAu36TLBsCKtW2tff1eWmB8vy3m_lgizV0Fet20foiXJb5VN675xG8OdmPRCUHsN3Hp2OvlhYKSciyhCA&title=C%23%20program%20crash%20with%20unhandled%20exception%20of%20type%20'System.Exception'%20occurred%20in%20Kitware.mummy.Runtime.dll%20"><img border="0" src="http://mimg.127.net/xm/all/fj/ico-bfile-5.gif"></a></div><div><div style="padding:0px;font-size:12px;line-height:14px"><a href="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=AylKkyAu36TLBsCKtW2tff1eWmB8vy3m_lgizV0Fet20foiXJb5VN675xG8OdmPRCUHsN3Hp2OvlhYKSciyhCA&title=C%23%20program%20crash%20with%20unhandled%20exception%20of%20type%20'System.Exception'%20occurred%20in%20Kitware.mummy.Runtime.dll%20" download="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=AylKkyAu36TLBsCKtW2tff1eWmB8vy3m_lgizV0Fet20foiXJb5VN675xG8OdmPRCUHsN3Hp2OvlhYKSciyhCA&title=C%23%20program%20crash%20with%20unhandled%20exception%20of%20type%20'System.Exception'%20occurred%20in%20Kitware.mummy.Runtime.dll%20" preview="" fileid="undefined" filename="STLShowing.7z" filesize="27208289" expiretime="1475673593100" target="_blank" style="color:#000;text-decoration:none">STLShowing.7z</a><span style="color:#bbb"> (25.95M, 2016年10月5日 21:19 到期)</span></div><div style="padding:4px 0px;font-size:12px;line-height:14px"><a href="http://fs.163.com/fs/display/?p=X-NETEASE-HUGE-ATTACHMENT&file=AylKkyAu36TLBsCKtW2tff1eWmB8vy3m_lgizV0Fet20foiXJb5VN675xG8OdmPRCUHsN3Hp2OvlhYKSciyhCA&title=C%23%20program%20crash%20with%20unhandled%20exception%20of%20type%20'System.Exception'%20occurred%20in%20Kitware.mummy.Runtime.dll%20">下载</a></div></div></div></div></div><br><br><span title="neteasefooter"><p> </p></span>