Sketches in an Inventor Part |
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This diagram shows you how sketches are contained inside a part:
They are inside a list which is itself inside a component definition. Programatically here is how to get a sketch by name:
// Get the component definition inside the PartDoc... CComPtr<PartComponentDefinition> pPartCompDef; hRes = pPartDoc->get_ComponentDefinition(&pPartCompDef);
// Get the sketch in the part by name... CComPtr<PlanarSketch> pSketch = NULL; hRes = pPartCompDef->Sketches->get_Item(CComVariant(L"MAIN_TUBE_CIRCS"), &pSketch); if (FAILED(hRes)) { ShowCOMError (hRes,L"AddSolid but could not 'get' sketch\n"); return (false) ; }
You can get hold of sketches by index (starting from #1)
CComPtr<PlanarSketch> pSketch ; // Get the first sketch in the part hRes = pPartCompDef->Sketches->get_Item(CComVariant(1), &pSketch);
Of course both these sketch getting methods require that the named sketch you are looking for, or the index, are present in the Sketches list of the Inventor Part.
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Text, images and diagrams © 2021 Owen F. Ransen. All rights reserved. (But copy the source code as much as you want!)