topic AccessViolationException in PolylineBuilder in ArcGIS Pro SDK Questions https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862733#M4819 <HTML><HEAD></HEAD><BODY><P>I found that <A href="https://pro.arcgis.com/en/pro-app/sdk/api-reference/#topic8669.html">PolylineBuilder</A> throws the <STRONG>AccessViolationException</STRONG> when the builder is used after multiple <A href="https://msdn.microsoft.com/library/hh199416(v=vs.110).aspx">Dispatcher.Invoke</A> calls. If I use <A href="https://msdn.microsoft.com/library/ms591206(v=vs.110).aspx">BeginInvoke</A>&nbsp;instead of Invoke, everything goes fine, so it is the workaround. But I believe you should fix this problem.</P><P></P><P>I've attached VS solution with simple test add-in (<STRONG>TestAddIn.zip</STRONG>) and test data (<STRONG>test.gdb.zip</STRONG>, place it in Debug folder after solution building). This test add-in contains one button (<EM>Click Me!</EM>) which opens a dialog. In this dialog click the <EM>Start</EM> button and you'll get <STRONG>AccessViolationException at line #35 in FeatureClassIterator.cs</STRONG> file.</P></BODY></HTML> Tue, 06 Dec 2016 03:27:11 GMT MaxMax2 2016-12-06T03:27:11Z AccessViolationException in PolylineBuilder https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862733#M4819 <HTML><HEAD></HEAD><BODY><P>I found that <A href="https://pro.arcgis.com/en/pro-app/sdk/api-reference/#topic8669.html">PolylineBuilder</A> throws the <STRONG>AccessViolationException</STRONG> when the builder is used after multiple <A href="https://msdn.microsoft.com/library/hh199416(v=vs.110).aspx">Dispatcher.Invoke</A> calls. If I use <A href="https://msdn.microsoft.com/library/ms591206(v=vs.110).aspx">BeginInvoke</A>&nbsp;instead of Invoke, everything goes fine, so it is the workaround. But I believe you should fix this problem.</P><P></P><P>I've attached VS solution with simple test add-in (<STRONG>TestAddIn.zip</STRONG>) and test data (<STRONG>test.gdb.zip</STRONG>, place it in Debug folder after solution building). This test add-in contains one button (<EM>Click Me!</EM>) which opens a dialog. In this dialog click the <EM>Start</EM> button and you'll get <STRONG>AccessViolationException at line #35 in FeatureClassIterator.cs</STRONG> file.</P></BODY></HTML> Tue, 06 Dec 2016 03:27:11 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862733#M4819 MaxMax2 2016-12-06T03:27:11Z Re: AccessViolationException in PolylineBuilder https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862734#M4820 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;Max,&nbsp;</P><P></P><P>Thanks for finding this bug and for the clear reproducible case. &nbsp;</P><P></P><P>We are fixing this issue for the 1.4 release.</P><P></P><P>Regards</P><P>Narelle Chedzey</P></BODY></HTML> Tue, 13 Dec 2016 22:03:28 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862734#M4820 NarelleChedzey 2016-12-13T22:03:28Z Re: AccessViolationException in PolylineBuilder https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862735#M4821 <HTML><HEAD></HEAD><BODY><P>Hi Narelle,</P><P></P><P>I see it is fixed now (1.4). Thank you.</P></BODY></HTML> Fri, 13 Jan 2017 09:03:27 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/accessviolationexception-in-polylinebuilder/m-p/862735#M4821 MaxMax2 2017-01-13T09:03:27Z