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Delete and Insert Instances in Variable Pattern Feature Example (VB.NET)

This example shows how to delete and insert instances in a variable pattern feature.

' Preconditions:
' 1. Open public_documents\samples\tutorial\api\bottle.sldprt.
' 2. Open the Immediate window.
' Postconditions:
' 1. Selects the variable pattern feature.
' 2. Rolls back and accesses the variable pattern feature.
'    a. Deletes the last instance of the variable pattern in the table.
'    b. Deletes a dimension in the table.
'    c. Gets the names of the controlling dimensions.
'    d. Inserts a new instance in the table.
'    e. Rolls forward the variable pattern feature.
'       NOTE: It can take several minutes for this step to complete.
' 3. Selects the variable pattern again.
'    a. Rolls back and accesses the variable pattern feature.
'    b. Sets new values for the new instance.
'    c. Rolls forward the variable pattern feature.
' 4. Examine the Immediate window and graphics area.
' NOTE: Because the part is used elsewhere, do not save change.
Imports SolidWorks.Interop.sldworks
Imports SolidWorks.Interop.swconst
Imports System.Runtime.InteropServices
Imports System
Imports System.Diagnostics
Partial Class SolidWorksMacro
    Public Sub main()
        Dim swModel As ModelDoc2
        Dim swModelDocExt As ModelDocExtension
        Dim swSelMgr As SelectionMgr
        Dim swFeature As Feature
        Dim swDimensionDrivenTablePatternFeat As DimPatternFeatureData
        Dim status As Boolean
        Dim DimensionName As String
        Dim errorString As String
        Dim i As Integer
        swModel = swApp.ActiveDoc
        swModelDocExt = swModel.Extension
        swSelMgr = swModel.SelectionManager
        status = swModelDocExt.SelectByID2("VarPattern1""BODYFEATURE", 0, 0, 0, False, 0, Nothing, 0)
        swFeature = swSelMgr.GetSelectedObject6(1, -1)
        swDimensionDrivenTablePatternFeat = swFeature.GetDefinition
        'Roll back and access the variable pattern feature
        status = swDimensionDrivenTablePatternFeat.AccessSelections(swModel, Nothing)
        'Delete the last instance of the variable pattern in the table
        status = swDimensionDrivenTablePatternFeat.DeleteInstanceAt(-1)
        Debug.Print("Last instance of variable pattern deleted from table? " & status)
        'Delete a dimension in the table
        DimensionName = "D3@Fillet1"
        status = swDimensionDrivenTablePatternFeat.DeleteDimension(DimensionName)
        Debug.Print("D3@Fillet1 dimension deleted from table? " & status)
        'Get the names of the controlling dimensions
        Dim nbr As Integer
        Dim dimNbr As Integer
        Dim controllingDimNames() As String
        Dim controllingDimName As String
        nbr = swDimensionDrivenTablePatternFeat.GetInstanceCount
        Debug.Print("Number of pattern instances: " & nbr)
        Debug.Print("  Controlling dimension names: ")
        dimNbr = swDimensionDrivenTablePatternFeat.GetControllingDimensionCount
        ReDim Preserve controllingDimNames(dimNbr)
        For i = 0 To dimNbr - 1
            controllingDimNames(i) = swDimensionDrivenTablePatternFeat.GetControllingDimensionName(i)
            controllingDimName = controllingDimNames(i)
            Debug.Print("     " & controllingDimName)
        Next i
        'Insert instance in table
        status = swDimensionDrivenTablePatternFeat.AddInstanceAt(False, -1)
        Debug.Print("Instance added to table? " & status)
        nbr = swDimensionDrivenTablePatternFeat.GetInstanceCount
        Debug.Print("Number of pattern instances: " & nbr)
        'Roll forward the variable pattern feature
        'NOTE: It can several minutes for this step to complete.
        swFeature.ModifyDefinition(swDimensionDrivenTablePatternFeat, swModel, Nothing)
        'Select the variable pattern again
        status = swModelDocExt.SelectByID2("VarPattern1""BODYFEATURE", 0, 0, 0, False, 0, Nothing, 0)
        swFeature = swSelMgr.GetSelectedObject6(1, -1)
        swDimensionDrivenTablePatternFeat = swFeature.GetDefinition
        'Roll back and access the variable pattern feature
        status = swDimensionDrivenTablePatternFeat.AccessSelections(swModel, Nothing)
        'Set new values for the new instance
        errorString = swDimensionDrivenTablePatternFeat.SetInstanceDimensionValue(nbr, "D3@Sketch2@bottle.moPart_c", 0.15)
        If errorString = "" Then
            Debug.Print("Set new value for new instance[" & nbr & "] D3@Sketch2 dimension? True")
            Debug.Print("Set new value for new instance[" & nbr & "] D3@Sketch2 dimension? " & errorString)
        End If
        errorString = swDimensionDrivenTablePatternFeat.SetInstanceDimensionValue(nbr, "D1@Fillet1@bottle.moPart_c", 0.01)
        If errorString = "" Then
            Debug.Print("Set new value for new instance[" & nbr & "] D2Fillet2 dimension? True")
            Debug.Print("Set new value for new instance[" & nbr & "] D2Fillet2 dimension? " & errorString)
        End If
        'Roll forward the variable pattern feature
        swFeature.ModifyDefinition(swDimensionDrivenTablePatternFeat, swModel, Nothing)
    End Sub
    ''' <summary>
    ''' The SldWorks swApp variable is pre-assigned for you.
    ''' </summary>
    Public swApp As SldWorks
End Class

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