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Find Attribute Example (VB.NET)

This example shows how to find an attribute on the selected entity.

' Preconditions:
' 1. Verify that the specified part document to open exists.
' 2. Open the Immediate window.
' Postconditions:
' 1. Opens the specified part document.
' 2. Selects Cut-Extrude3.
' 3. Adds attribute att 1 to the selected feature.
' 4. Rebuilds the part.
' 5. Finds attribute att 1.
' 6. Examine the Immediate window.
' NOTE: Because the part is used elsewhere, do not save changes.
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System.Runtime.InteropServices
Imports System
Imports System.Diagnostics
Partial Class SolidWorksMacro
    Public Sub main()
        '1 = invisible
        '0 = visible
        Const CreateVisible As Integer = 0
        Const AttDefName As String = "XML_string"
        Const AttLenDimName As String = "att_name"
        Const AttLenValueName As String = "att_value"
        Const AttRootName As String = "att"
        Dim swModel As ModelDoc2
        Dim swModelDocExt As ModelDocExtension
        Dim swSelMgr As SelectionMgr
        Dim swFeat As Feature
        Dim swEnt As Entity
        Dim swAttDef As AttributeDef
        Dim swAtt As SolidWorks.Interop.sldworks.Attribute = Nothing
        Dim swParamName As Parameter
        Dim swParamValue As Parameter
        Dim AttName As String = ""
        Dim i As Integer
        Dim bRet As Boolean
        Dim fileName As String
        Dim errors As Integer
        Dim warnings As Integer
        'Open part document
        fileName = "C:\Users\Public\Documents\SOLIDWORKS\SOLIDWORKS 2017\tutorial\smartcomponents\bearing.sldprt"
        swModel = swApp.OpenDoc6(fileName, swDocumentTypes_e.swDocPART, swOpenDocOptions_e.swOpenDocOptions_Silent, "", errors, warnings)
        'Select feature
        swModelDocExt = swModel.Extension
        bRet = swModelDocExt.SelectByID2("Cut-Extrude3""BODYFEATURE", 0, 0, 0, False, 0, Nothing, 0)
        swSelMgr = swModel.SelectionManager
        swFeat = swSelMgr.GetSelectedObject6(1, -1)
        swEnt = swFeat
        'Set attribute att 1
        swAttDef = swApp.DefineAttribute(AttDefName)
        bRet = swAttDef.AddParameter(AttLenDimName, swParamType_e.swParamTypeString, 0.0#, 0)
        bRet = swAttDef.AddParameter(AttLenValueName, swParamType_e.swParamTypeDouble, 0.0#, 0)
        bRet = swAttDef.Register
        While swAtt Is Nothing
            ' Get a unique attribute name
            i = i + 1
            AttName = AttRootName + Str(i)
            swAtt = swAttDef.CreateInstance5(swModel, swEnt, AttName, CreateVisible, swInConfigurationOpts_e.swThisConfiguration)
        End While
        swParamName = swAtt.GetParameter(AttLenDimName)
        swParamValue = swAtt.GetParameter(AttLenValueName)
        bRet = swParamName.SetStringValue2(AttName & " - " & AttLenDimName, swInConfigurationOpts_e.swAllConfiguration, "")
        bRet = swParamValue.SetDoubleValue2(i * 10, swInConfigurationOpts_e.swAllConfiguration, "")
        If Not swAtt Is Nothing Then
            Debug.Print("Attribute " & AttName & " created.")
            Debug.Print("Attribute " & AttName & " not created.")
        End If
        'Find attribute att 1
        bRet = swModelDocExt.SelectByID2("att 1""ATTRIBUTE", 0, 0, 0, False, 0, Nothing, 0)
        swFeat = swSelMgr.GetSelectedObject6(1, -1)
        'Limit search in case attribute does not exist
        While swAtt Is Nothing And i < 300
            swAtt = swEnt.FindAttribute(swAttDef, i)
            i = i + 1
        End While
        If Not swAtt Is Nothing Then
            If False = swAtt.GetEntityState(swAssociatedEntityStates_e.swIsEntityInvalid) And False = swAtt.GetEntityState(swAssociatedEntityStates_e.swIsEntitySuppressed) And False = swAtt.GetEntityState(swAssociatedEntityStates_e.swIsEntityAmbiguous) And False = swAtt.GetEntityState(swAssociatedEntityStates_e.swIsEntityDeleted) Then
                swParamName = swAtt.GetParameter(AttLenDimName)
                swParamValue = swAtt.GetParameter(AttLenValueName)
                Debug.Print("Attribute " & swParamName.GetStringValue & " found.")
                Debug.Print("    Value = " & swParamValue.GetDoubleValue)
                Debug.Print("  Attribute found, but problems exist.")
            End If
            Debug.Print("  Attribute not found.")
        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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