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Get the Number of Lines in Flat-pattern Drawing View's Boundary-box Sketch (VB.NET)

This example shows how to get the number of lines in a flat-pattern drawing view's boundary-box sketch.

' Preconditions:
' 1. In SolidWorks:
'    a. Open <SolidWorks_install_dir>\samples\design portfolio\sheet_metal_bracket.sldprt.
'    b. Open a new drawing document.
'    c. Select sheet_metal_bracket.sldprt in the View Palette's dropdown list box.
' 2. In the IDE:
'    a. Open the Immediate window.
'    b. Run macro.
' Postconditions: The View Palette view's name, drawing view name, and
' number of lines in the boundary-box sketch of the
' drawing view of the flat pattern of the sheet
' metal part are printed to the Immediate window.
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System
Imports System.Diagnostics

Partial Class SolidWorksMacro

Public Sub Main()

Dim swModel As ModelDoc2
Dim swDrawing As DrawingDoc
Dim swView As View
Dim swSheet As Sheet
Dim swDisplayData As DisplayData
Dim sheetProperties As Object
        Dim sheetScale As Double
        Dim paperSize As swDwgPaperSizes_e
Dim width As Double
        Dim height As Double
        Dim numViews As Long
        Dim viewName As Object
        Dim viewNames As Object
        Dim viewPaletteName As String = ""
        Dim drawingViewName As String = ""
        Dim status As Boolean

        swModel = swApp.ActiveDoc
        swDrawing = swModel

' Get current sheet
        swSheet = swDrawing.GetCurrentSheet
        sheetProperties = swSheet.GetProperties
        sheetScale = sheetProperties(2) / sheetProperties(3)
        paperSize = swSheet.GetSize(width, height)

' Get number of views on View Palette
        numViews = 0
        viewNames = swDrawing.GetDrawingPaletteViewNames

' Iterate through views on View Palette
        ' When view name equals "Flat pattern", drop
        ' that view in drawing
        If Not (IsNothing(viewNames)) Then
            numViews = (UBound(viewNames) - LBound(viewNames))
For Each viewName In viewNames
                viewPaletteName = viewName
If (viewPaletteName = "Flat pattern") Then
                    Debug.Print("Dropping View Palette view named: " & viewPaletteName)
                    swView = swDrawing.DropDrawingViewFromPalette2(viewPaletteName, 0.0#, 0.0#, 0.0#)
                    drawingViewName = swView.GetName2
"Dropped View Palette view into drawing view named: " & drawingViewName)
End If
            Next viewName
End If

        ' Activate view and get number of lines in
        ' its boundary box sketch
        status = swDrawing.ActivateView(drawingViewName)
        swView = swDrawing.ActiveDrawingView
        swDisplayData = swView.GetSMBoundaryBoxDisplayData
"Number of lines in boundary box of flat-pattern drawing view: " & swDisplayData.GetLineCount)

End Sub

    ''' <summary>
    ''' The SldWorks swApp variable is pre-assigned for you.
    ''' </summary>
    Public swApp As SldWorks



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