https://www.infopathdev.com:443/forums/45.aspxenCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/75055.aspxTue, 07 Feb 2012 18:08:04 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:75055bush31020https://www.infopathdev.com:443/forums/thread/75055.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=45&PostID=75055<p>&nbsp;I used this and it seemed to help.</p><p>&nbsp;http://www.bizsupportonline.net/blog/2009/03/programmatically-retrieve-selected-items-multiple-selection-list-box-infopath/ </p><p>&nbsp;</p><p>Use this URL to convert the C++ to VB.NET</p><p>&nbsp;http://www.developerfusion.com/tools/convert/csharp-to-vb/</p><p>&nbsp;</p><p>Hope this helps. <br /></p>https://www.infopathdev.com:443/forums/thread/72040.aspxMon, 14 Nov 2011 18:24:40 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:72040jfrade0https://www.infopathdev.com:443/forums/thread/72040.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=45&PostID=72040<p>Hi, may I have help with the following?&nbsp; I wish to select all items in a multiple selection list box by having the user click a button.&nbsp; I followed the steps provided below in VB.&nbsp;&nbsp; I have been getting an error when using the function, AddItem.&nbsp; &quot;Object reference not set to an instance of an object.&quot;&nbsp; Any help, if allowed, would be great.&nbsp; Thanks <br /></p> <p><a href="http://www.bizsupportonline.net/infopath2007/programmatically-select-all-items-multi-select-list-box.htm">http://www.bizsupportonline.net/infopath2007/programmatically-select-all-items-multi-select-list-box.htm</a>&nbsp; </p> <p>&nbsp;</p>