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    <title>topic iLogic - Using model browser in rule editor causes 'Unhandled exception' error in Inventor Programming - iLogic, Macros, AddIns &amp; Apprentice</title>
    <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/ilogic-using-model-browser-in-rule-editor-causes-unhandled/m-p/6513247#M66626</link>
    <description>&lt;P&gt;Hello All,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I hope someone here can help with a rather worrying error message I received whilst writing an iLogic rule. I attempted to write a rule in an assembly comprising three parts.&amp;nbsp;I had already successfully written two rules. The assembly is based on a skeletal model and is a very simple assembly&amp;nbsp;comprising very simple parts. This is basically an exercise to familiarise myself with&amp;nbsp;certain iLogic functions. When I attempted to expand a part within the assembly using the model browser in the rule editor, I received&amp;nbsp;an error message stating "Unhandled exception has occurred in a component in your application...". If I click 'continue' I can return to the rule editor but the '+' next to the part I want to expand has disappeared.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Error Message" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/265584iE9B868573463D9C3/image-size/large?v=v2&amp;amp;px=999" role="button" title="Inventor - Unhandled Exception.PNG" alt="Inventor - Unhandled Exception.PNG" /&gt;&lt;/span&gt;﻿&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Rule hand-written and working" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/265585i5D2CE68AE27D723B/image-size/large?v=v2&amp;amp;px=999" role="button" title="IsActive Rule Working Properly.PNG" alt="IsActive Rule Working Properly.PNG" /&gt;&lt;/span&gt;﻿&lt;/P&gt;&lt;P&gt;However, if I write the rule by hand (because I have no choice) then the rule functions exactly as it should. I investigated this problem with three different versions of Inventor (2012, 2015 &amp;amp; 2016) and using two different PCs but the result was the same. After googling the problem I thought it might have something to do with the Windows .net framework so I updated it but&amp;nbsp;this hasn't helped.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Any Ideas?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Chris&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Sun, 21 Aug 2016 17:08:16 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2016-08-21T17:08:16Z</dc:date>
    <item>
      <title>iLogic - Using model browser in rule editor causes 'Unhandled exception' error</title>
      <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/ilogic-using-model-browser-in-rule-editor-causes-unhandled/m-p/6513247#M66626</link>
      <description>&lt;P&gt;Hello All,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I hope someone here can help with a rather worrying error message I received whilst writing an iLogic rule. I attempted to write a rule in an assembly comprising three parts.&amp;nbsp;I had already successfully written two rules. The assembly is based on a skeletal model and is a very simple assembly&amp;nbsp;comprising very simple parts. This is basically an exercise to familiarise myself with&amp;nbsp;certain iLogic functions. When I attempted to expand a part within the assembly using the model browser in the rule editor, I received&amp;nbsp;an error message stating "Unhandled exception has occurred in a component in your application...". If I click 'continue' I can return to the rule editor but the '+' next to the part I want to expand has disappeared.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Error Message" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/265584iE9B868573463D9C3/image-size/large?v=v2&amp;amp;px=999" role="button" title="Inventor - Unhandled Exception.PNG" alt="Inventor - Unhandled Exception.PNG" /&gt;&lt;/span&gt;﻿&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Rule hand-written and working" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/265585i5D2CE68AE27D723B/image-size/large?v=v2&amp;amp;px=999" role="button" title="IsActive Rule Working Properly.PNG" alt="IsActive Rule Working Properly.PNG" /&gt;&lt;/span&gt;﻿&lt;/P&gt;&lt;P&gt;However, if I write the rule by hand (because I have no choice) then the rule functions exactly as it should. I investigated this problem with three different versions of Inventor (2012, 2015 &amp;amp; 2016) and using two different PCs but the result was the same. After googling the problem I thought it might have something to do with the Windows .net framework so I updated it but&amp;nbsp;this hasn't helped.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Any Ideas?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks,&lt;/P&gt;&lt;P&gt;&lt;BR /&gt;Chris&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Sun, 21 Aug 2016 17:08:16 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/inventor-programming-ilogic/ilogic-using-model-browser-in-rule-editor-causes-unhandled/m-p/6513247#M66626</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-08-21T17:08:16Z</dc:date>
    </item>
    <item>
      <title>Re: iLogic - Using model browser in rule editor causes 'Unhandled exception' err</title>
      <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/ilogic-using-model-browser-in-rule-editor-causes-unhandled/m-p/6549467#M66671</link>
      <description>&lt;P&gt;Could you attach the problem assembly (in a low version of Inventor - 2012 if you have it and it's convenient) to the forums, so we can see if we can replicate the problem.&amp;nbsp;&lt;BR /&gt;&lt;BR /&gt;I've not encountered anything like this.&amp;nbsp;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;/P&gt;</description>
      <pubDate>Thu, 08 Sep 2016 12:49:04 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/inventor-programming-ilogic/ilogic-using-model-browser-in-rule-editor-causes-unhandled/m-p/6549467#M66671</guid>
      <dc:creator>MegaJerk</dc:creator>
      <dc:date>2016-09-08T12:49:04Z</dc:date>
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