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Select Drawing Component Example (VB.NET)

This example shows how to select an assembly component in a drawing.

' Preconditions:
' 1. Open a drawing of an assembly.
' 2. Select an assembly component in the drawing.
' Postconditions: Displays a message box 
' containing the name of the selected assembly
' component.
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System.Runtime.InteropServices
Imports System
Partial Class SolidWorksMacro
    Dim swModelDoc As ModelDoc2
    Dim swSelMgr As SelectionMgr
    Dim swComponent As Component2
    Dim swDrawingComponent As DrawingComponent
    Sub main()
        swModelDoc = swApp.ActiveDoc
        If swModelDoc Is Nothing Then
            Exit Sub
        End If
        swSelMgr = swModelDoc.SelectionManager
        If swSelMgr.GetSelectedObjectCount2(0) = 0 Then
            MsgBox("No selections detected.")
            Exit Sub
        End If
        If swSelMgr.GetSelectedObjectType3(1, 0) = swSelectType_e.swSelCOMPONENTS Then
            swDrawingComponent = swSelMgr.GetSelectedObjectsComponent4(1, 0) 'works
            If swDrawingComponent Is Nothing Then
                MsgBox("The component is empty.")
                Exit Sub
                swComponent = swDrawingComponent.Component
            End If
            MsgBox("The selection is not an assembly component.")
            Exit Sub
        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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