https://community.graphisoft.com/t5/Archicad-C-API/Change-Value-of-canValueBeEditable-false-Property/m-p/367303#M1341 <P><SPAN>The field <FONT face="courier new,courier">canValueBeEditable</FONT> is an output only parameter that tells you if the given parameter can be modified using an API call. The hotlink master id can't be modified on element level (since it's tied to the hotlink object and not the element).</SPAN></P> Thu, 12 Jan 2023 19:45:39 GMT kovacsv 2023-01-12T19:45:39Z https://community.graphisoft.com/t5/Archicad-C-API/Change-Value-of-canValueBeEditable-false-Property/m-p/367075#M1340 <P>Hello everyone,</P><P>&nbsp;</P><P>I'm currently trying to change properties, but I struggle with BuiltIn Properties.</P><P>In the PropertyDefinition we have a bool "canValueBeEditable".</P><P>If this is set to false, is there anyway to change to Property? Or am I not able to access that with the C++ API.</P><P>Specifically, this is about the Property "HotlinkMasterID" in the "GeneralElemProperties" group. When i try to change it I get the error code&nbsp;<SPAN>-2130312310 which is "APIERR_READONLY".</SPAN></P><P>&nbsp;</P><P><SPAN>Thx for any help</SPAN></P><P><SPAN>Kind Regards</SPAN></P><P><SPAN>Dayiz</SPAN></P> Tue, 10 Jan 2023 16:05:42 GMT https://community.graphisoft.com/t5/Archicad-C-API/Change-Value-of-canValueBeEditable-false-Property/m-p/367075#M1340 Dayiz 2023-01-10T16:05:42Z https://community.graphisoft.com/t5/Archicad-C-API/Change-Value-of-canValueBeEditable-false-Property/m-p/367303#M1341 <P><SPAN>The field <FONT face="courier new,courier">canValueBeEditable</FONT> is an output only parameter that tells you if the given parameter can be modified using an API call. The hotlink master id can't be modified on element level (since it's tied to the hotlink object and not the element).</SPAN></P> Thu, 12 Jan 2023 19:45:39 GMT https://community.graphisoft.com/t5/Archicad-C-API/Change-Value-of-canValueBeEditable-false-Property/m-p/367303#M1341 kovacsv 2023-01-12T19:45:39Z