1 Answers
A:
The "+/-" toggle in the Edit Parts List dialog controls the expansion or collapse of structured BOM rows, especially in hierarchical assemblies. Unfortunately, this UI element isn’t directly exposed via the Inventor API or VBA as a toggle method.
However, there are workarounds depending on what you're trying to achieve:
Control Structured View via PartsListRow.ChildRows
You can simulate expansion/collapse by hiding or showing child rows programmatically. Here's a VBA snippet that toggles visibility:
USA
UAE
Dim oDrawDoc As DrawingDocument
Set oDrawDoc = ThisApplication.ActiveDocument
Dim oPartsList As PartsList
Set oPartsList = oDrawDoc.ActiveSheet.PartsLists.Item(1)
Dim oRow As PartsListRow
For Each oRow In oPartsList.PartsListRows
If oRow.ChildRows.Count > 0 Then
' Toggle visibility of child rows
Dim oChildRow As PartsListRow
For Each oChildRow In oRow.ChildRows
oChildRow.Visible = Not oChildRow.Visible
Next
End If
Next
This doesn’t affect the "+/-" icon directly, but it mimics the behavior by collapsing or expanding rows.
Related Question and Answers
Q:
A:
Use HealthStatus to Detect Failure
Every feature in Inventor has a HealthStatus property. You can use this to check if a feature is up-to-date, suppressed, or has failed.
Example (VBA-style pseudocode):
Dim oFeature As PartFeature
Set oFeature = oPartDoc.ComponentDefinition.Features.Item("MyExtrude")
If oFeature.HealthStatus <> kUpToDateHealth And oFeature.HealthStatus <> kSuppressedHealth Then
oFeature.Suppressed = True
End If
Q:
A:
Yes, it is possible to reposition elevation view labels (or any drawing view labels) in Inventor using the API, either by default through styles or programmatically via code.
Q:
A:
You can use Inventor’s TransientGeometry and CurveEvaluator objects to find the intersection between two curves or edges.
Q:
A:
Yes - as of recent Inventor releases, you can set IGES output to wireframe using the TranslatorAddIn API. This is controlled via the GeometryType option in the export settings.
Q:
A:
It’s totally possible to write a translator add-in for Inventor using VB.NET. The reason most samples are in VC++ is historical (and a bit of Autodesk inertia), but the Inventor API is fully accessible from .NET languages, including VB.NET.
Example Flow (VB.NET):
Dim translator As TranslatorAddIn = CType(app.ApplicationAddIns.ItemById("{GUID}"), TranslatorAddIn)
Dim context = app.TransientObjects.CreateTranslationContext()
Dim options = app.TransientObjects.CreateNameValueMap()
Dim dataMedium = app.TransientObjects.CreateDataMedium()
context.Type = IOMechanismEnum.kFileBrowseIOMechanism
dataMedium.FileName = "C:\ExportedFile.step"
If translator.HasSaveCopyAsOptions(doc, context, options) Then
translator.SaveCopyAs(doc, context, options, dataMedium)
End If
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