https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11787066#M9763 <P>As far as I know, Round is the only solution.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_gile_0-1677581945372.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1182419iBB2E8FB03F2592AF/image-size/medium?v=v2&amp;px=400" role="button" title="_gile_0-1677581945372.png" alt="_gile_0-1677581945372.png" /></span></P> <P>Could you provide an example where the Math.Round function does not return the expected value?</P> Tue, 28 Feb 2023 11:01:32 GMT _gile 2023-02-28T11:01:32Z https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11786495#M9760 <P>When I want to get value of a&nbsp;DynamicBlockReferenceProperty and it is a double value, I'm getting inaccurate value like this</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ehsanbahrani_0-1677561278349.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1182298iFD2DDDBBDB847C97/image-size/medium?v=v2&amp;px=400" role="button" title="ehsanbahrani_0-1677561278349.png" alt="ehsanbahrani_0-1677561278349.png" /></span></P><P>how can I get the exactly value of doubles?</P><P>(I know we can use Math.Round(value,4) but for reasons we don't want to use this way)</P> Tue, 28 Feb 2023 05:17:18 GMT https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11786495#M9760 ehsan_bahrani 2023-02-28T05:17:18Z https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11786707#M9761 <P>Hi,</P> <P>&nbsp;</P> <P>This is a well-known problem in computer science with the real numbers encoding. AutoCAD uses the double precision floating point encoding (<A href="https://learn.microsoft.com/en-us/dotnet/api/system.double?view=netframework-4.8" target="_blank" rel="noopener">double type</A> with NET) which provides a precision around 15-17 significant digits (16 digits in your case).</P> Tue, 28 Feb 2023 07:51:38 GMT https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11786707#M9761 _gile 2023-02-28T07:51:38Z https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11787048#M9762 <P>Hi and thank for your response.</P><P>&nbsp;</P><P>so, what is the solution for this? how I can get the correct value? in some situation (that I don't know which are) even use Math.Round(,) function the return value is not same as actual value that is shown in properties palette of AutoCAD.</P> Tue, 28 Feb 2023 10:53:17 GMT https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11787048#M9762 ehsan_bahrani 2023-02-28T10:53:17Z https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11787066#M9763 <P>As far as I know, Round is the only solution.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_gile_0-1677581945372.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1182419iBB2E8FB03F2592AF/image-size/medium?v=v2&amp;px=400" role="button" title="_gile_0-1677581945372.png" alt="_gile_0-1677581945372.png" /></span></P> <P>Could you provide an example where the Math.Round function does not return the expected value?</P> Tue, 28 Feb 2023 11:01:32 GMT https://forums.autodesk.com/t5/net-forum/how-to-get-exactly-value-of-dynamicblockreferenceproperty-of-a/m-p/11787066#M9763 _gile 2023-02-28T11:01:32Z