https://forums.autodesk.com/t5/net-forum/getting-strange-handles-for-block-references-in-certain-files/m-p/10019605#M17569 <P>When I'm querying the database for block references in certain files, I'm getting handles like <EM>-4066801656873546453</EM> when they usually look something more like <EM>153919</EM>. And when I try to get the block reference using the handle, it crashes my application with error "eUnknownHandle"!</P><P>&nbsp;</P><LI-CODE lang="csharp">long handle = -4066801656873546453; Handle hn = new Handle(handle); ObjectId blockId = sideDb.GetObjectId(false, hn, 0); // Crashes here!</LI-CODE><P>&nbsp;</P><P>It only seems to occur for certain files, but I can't really find any differences when looking at other files in the same project that <EM>do</EM> work.</P><P>&nbsp;</P><P>Anybody knows what's going on, and what can I do about the strange handles?</P> Thu, 21 Jan 2021 14:18:44 GMT ottosson_mathias 2021-01-21T14:18:44Z https://forums.autodesk.com/t5/net-forum/getting-strange-handles-for-block-references-in-certain-files/m-p/10019605#M17569 <P>When I'm querying the database for block references in certain files, I'm getting handles like <EM>-4066801656873546453</EM> when they usually look something more like <EM>153919</EM>. And when I try to get the block reference using the handle, it crashes my application with error "eUnknownHandle"!</P><P>&nbsp;</P><LI-CODE lang="csharp">long handle = -4066801656873546453; Handle hn = new Handle(handle); ObjectId blockId = sideDb.GetObjectId(false, hn, 0); // Crashes here!</LI-CODE><P>&nbsp;</P><P>It only seems to occur for certain files, but I can't really find any differences when looking at other files in the same project that <EM>do</EM> work.</P><P>&nbsp;</P><P>Anybody knows what's going on, and what can I do about the strange handles?</P> Thu, 21 Jan 2021 14:18:44 GMT https://forums.autodesk.com/t5/net-forum/getting-strange-handles-for-block-references-in-certain-files/m-p/10019605#M17569 ottosson_mathias 2021-01-21T14:18:44Z