<html><head><style type="text/css"></style></head><body><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt;color:#000000;"><div><div>Hello Dear ESP-r Community, </div><div><br></div><div>I am running the ESP-r version 11.8 on system Windows XP (2002) with Service Pack 3. </div><div>Computer: Pentium 4 2.60 GHz with 512 Mo of RAM</div><div><br></div><div>I would like to Hide some Zones with the Wireframe Control but I am now unable to use this drop down menu. The View - "Wire Frame Control" drop-down menu initially worked, but now when I click on the option the ESP-r software "hangs-up" and does not do anything. When ESP-r "hangs-up" under in the following situation and the only way "out" is to terminate ESP-r from running:</div><div><br></div><div>This "bug" seems only to appear after working with a large model (~50 zone apartment building) for a significant amount of time. The other functions in the menu function without a problem ... (View Rotate-Left, Rotate-Right, Rotate-UP and Rotate-Down).  There is a warning in the Dialogue Box which states: "SURADJ WARNING". </div></div><div><br></div><div>Any suggestions or recommendations of how to fix the problem?</div><div><br></div><div>Cordially, </div><div><br></div><div>Ian</div><div><span class="Apple-style-span" style="font-family: times, serif; "><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: small; line-height: 15px; ">L'</span><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: small; line-height: 15px; "><em style="font-weight: bold; font-style: normal; ">école des Mines</em></span><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: small; line-height: 15px; "> </span><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: small; line-height: 15px; ">de</span><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: small; line-height: 15px; "> </span><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: small; line-height: 15px; "><em style="font-weight: bold; font-style: normal; ">Nantes</em></span></span></div><div><br></div><div style="position:fixed"></div> </div><br>  </body></html>