[CONNECT C++] mdlElementTemplate_getElementParam() replacement

Hi, I have V8i MDL code using

mdlElementTemplate_getElementParam() and

mdlElementTemplate_getNumElementParams()

Looking for a replacement of these functions, I searched the Connect 10 Update 14 SDK and found:

ElementTemplateParamsHelper::GetEntryCount (UInt32& numEntries, ECN::IECInstanceCR etInstance, ElementParameterType param);

ElementTemplateParamsHelper::GetElementColor(UInt32& color, DgnModelRefP modelRef, ECN::IECInstanceCR etInstance, UInt index=0);

How do I fill the input parameter ECN::IECInstanceCR etInstance?

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+1 Offline Jan Šlegr Tue, Jan 19 2021 12:34 PM
Hi Tom,

I guess information in ElementTemplateNode Struct Reference chapter in SDK documentation can help you. There are code snippets available for CRUD operations with element templates.

With regards,

Jan

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Answer Verified By: Tom Torell
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0 Offline Tom Torell Wed, Jan 20 2021 6:41 AM in reply to Jan Šlegr

Hi Jan,

thank you, this was the information I was looking for.

Now I'm able to migrate and compile my code for Connect. Till yet I can't confirm if this is working correctly at runtime; I will confirm this later, when I tested my application.

The solution is quite simple, if you know what to do, so I share my example code snippet here:

#include <Mstn\MdlApi\MdlApi.h>

DGNPLATFORM_TYPEDEFS(TemplateSymbologyRemapper)
#include <Mstn\XDataTree\MstnElementTemplate.h>

{
    MstnElementTemplateMgrStatus stat;
    ElementTemplateNodePtr pElementTemplate = NULL;
    ECN::IECInstancePtr etPropertyInstance;
    UInt32 uiCntParam = 0;
    UInt32 uiColor = 0;

    stat = MstnElementTemplateMgr::CreateFromExisting(pElementTemplate, szTemplatePath);
    if (stat != MSTNELEMENTTEMPLATE_STATUS_SUCCESS) { ; // Error Handling ... }

    etPropertyInstance = pElementTemplate->GetOrCreateDefaultInstance();

    stat = ElementTemplateParamsHelper::GetEntryCount(uiCntParam, *etPropertyInstance, ElementParameterType::ELEMENTPARAM_Color);
    if (stat != MSTNELEMENTTEMPLATE_STATUS_SUCCESS)  { ; // Error Handling ... }

    stat = ElementTemplateParamsHelper::GetElementColor(uiColor, ACTIVEMODEL, *etPropertyInstance);
    if (stat != MSTNELEMENTTEMPLATE_STATUS_SUCCESS)  { ; // Error Handling ... }
}

Best regards,
Tom

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0 Offline Tom Torell Wed, Jan 20 2021 6:41 AM in reply to Jan Šlegr

#include <Mstn\MdlApi\MdlApi.h>

DGNPLATFORM_TYPEDEFS(TemplateSymbologyRemapper)
#include <Mstn\XDataTree\MstnElementTemplate.h>

{
    MstnElementTemplateMgrStatus stat;
    ElementTemplateNodePtr pElementTemplate = NULL;
    ECN::IECInstancePtr etPropertyInstance;
    UInt32 uiCntParam = 0;
    UInt32 uiColor = 0;

    stat = MstnElementTemplateMgr::CreateFromExisting(pElementTemplate, szTemplatePath);
    if (stat != MSTNELEMENTTEMPLATE_STATUS_SUCCESS) { ; // Error Handling ... }

    etPropertyInstance = pElementTemplate->GetOrCreateDefaultInstance();

    stat = ElementTemplateParamsHelper::GetEntryCount(uiCntParam, *etPropertyInstance, ElementParameterType::ELEMENTPARAM_Color);
    if (stat != MSTNELEMENTTEMPLATE_STATUS_SUCCESS)  { ; // Error Handling ... }

    stat = ElementTemplateParamsHelper::GetElementColor(uiColor, ACTIVEMODEL, *etPropertyInstance);
    if (stat != MSTNELEMENTTEMPLATE_STATUS_SUCCESS)  { ; // Error Handling ... }
}

Best regards,
Tom

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