When a document is saved, Inventor will follow [File Save Options] to save the thumbnail. in default, it is always ISO component view.
API also provides the relevant method:
Document.SetThumbnailSaveOption(
SaveOption As ThumbnailSaveOptionEnum, [ImageFullFileName] As String )
- kActiveComponentIsoViewOnSave
The isometric view of the document is set as thumbnail on save.
- kActiveWindow
The currently active view is immediately set as thumbnail.
- kActiveWindowOnSave
The active view of the document is set as thumbnail on save.
- kImportFromFile
The specified image file is set as thumbnail.
- kNoThumbnail
No thumbnail is set.
So to renew the thumbnail, you could change the camera to the view you desired and call Document.Save. You can even use external image as thumbnail, using SaveOption = kImportFromFile.
Sub test()
Dim oDoc As PartDocument
Set oDoc = ThisApplication.activeDocument
' change the current view
Dim view As view
Set view = ThisApplication.ActiveView
Dim camera As camera
Set camera = view.camera
camera.ViewOrientationType = kRightViewOrientation
camera.Fit
camera.Apply
' set save option
oDoc.SetThumbnailSaveOption kActiveWindowOnSave
'call saving
oDoc.Save
End Sub
