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Get Components in Drawing View (VB.NET)

This example shows how to get the components in a drawing view and how to change their line font styles.

' Preconditions:
' 1. Drawing document opened by the macro exists.
' 2. Drawing view is selected.
' 3. Open the Immediate window.
' Postconditions:
' 1. Specified drawing document is opened.
' 2. Drawing View1 is selected.
' 3. Gets the root and children components for Drawing
'    View1.
' 4. For each component:
'    a. Prints whether a drawing component is selected, the
'       name of the component, and the name of the configuration
'       to the Immediate window.

'    b. Disables the use of the document defaults for the
'       the component's line font style.
'    c. Sets new line style and line thickness for the component's
'       visible edges and prints the new settings and values to
'       the Immediate window.
'    d. Prints the file name of the component 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 swDraw As DrawingDoc
Dim swSelMgr As SelectionMgr
Dim swSelData As SelectData
Dim swModelDocExt As ModelDocExtension
Dim swView As View
Dim swRootDrawComp As DrawingComponent
Dim vDrawChildCompArr As Object
        Dim vDrawChildComp As Object
        Dim swDrawComp As DrawingComponent
Dim swComp As Component2
Dim swCompModel As ModelDoc2
Dim assemblyDrawing As String
        Dim status As Boolean
        Dim errors As Integer
        Dim warnings As Integer
        Dim lineWeight As Integer
        Dim lineThickness As Double

        assemblyDrawing = "C:\Users\Public\Documents\SOLIDWORKS\SOLIDWORKS 2017\tutorial\driveworksxpress\mobile gantry.slddrw"
        swModel = swApp.OpenDoc6(assemblyDrawing, swDocumentTypes_e.swDocDRAWING, swOpenDocOptions_e.swOpenDocOptions_Silent, "", errors, warnings)

        swDraw = swModel
        swModelDocExt = swModel.Extension
        swSelMgr = swModel.SelectionManager

        swSelData = swSelMgr.CreateSelectData

        status = swDraw.ActivateView(
"Drawing View4")
        status = swModelDocExt.SelectByID2(
"Drawing View1", "DRAWINGVIEW", 0.104008832128, 0.1163870710783, 0, False, 0, Nothing, 0)
        swView = swSelMgr.GetSelectedObject6(1, -1)
        swRootDrawComp = swView.RootDrawingComponent

"File = " & swModel.GetPathName)
"  View = " & swView.Name)

        vDrawChildCompArr = swRootDrawComp.GetChildren
For Each vDrawChildComp In vDrawChildCompArr
            swDrawComp = vDrawChildComp

Drawing component selected?
" Drawing component selected = " & swDrawComp.Select(True, Nothing))

' Returns NULL if underlying model is open in a different configuration
            swComp = swDrawComp.Component

If Not Nothing Is swComp Then
                ' Returns NULL if drawing is lightweight
                swCompModel = swComp.GetModelDoc2

"      Component                            = " & swComp.Name2)
"      Configuration                        = " & swComp.ReferencedConfiguration)

' Turn off using document default settings for component's line font style
                swDrawComp.UseDocumentDefaults = False
                Debug.Print("      Default component line font in use   = " & swDrawComp.UseDocumentDefaults)
' Set new line style for visible edges
                swDrawComp.SetLineStyle(swDrawingComponentLineFontOption_e.swDrawingComponentLineFontVisible, swLineStyles_e.swLineCHAIN)
"        Line style for visible edges                      = " & swDrawComp.GetLineStyle(swDrawingComponentLineFontOption_e.swDrawingComponentLineFontVisible))
' Set new line thickness for visible edges
                swDrawComp.SetLineThickness(swDrawingComponentLineFontOption_e.swDrawingComponentLineFontVisible, swLineWeights_e.swLW_CUSTOM, 0.0003)
                lineWeight = swDrawComp.GetLineThickness(swDrawingComponentLineFontOption_e.swDrawingComponentLineFontVisible, lineThickness)
"        Line weight style and thickness for visible edges = " & lineWeight & ", " & lineThickness * 1000 & " mm")

If Not Nothing Is swCompModel Then
                    Debug.Print("      File                                 = " & swCompModel.GetPathName)
" ")
End If

            End If


    End Sub

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

End Class

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