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Modify Chain Pattern Feature Example (VB.NET)

This example shows how to modify a chain pattern feature.

' Preconditions:
' 1. Verify that these files exist in public_documents\samples\tutorial\api:
'    * cam roller.sldprt
'    * distance linkage.sldasm
'    * mount base.sldasm
'    * mount plate.sldprt
' 2. Open distance linkage.sldasm.
'    a. Click Insert > Component Pattern > Chain Pattern.
'       1. Click Distance Linkage in Pitch Method.
'       2. Click Belt Drive Path in the FeatureManager design tree
'          for Path.
'       3. Set Number of Instances to 4.
'       4. Click Mount Base<1> in the FeatureManager design tree
'          for Component to Pattern.
'       5. Set Spacing to approximately 10.
'       6. Click the cylindrical face on Cam Roller<3> (left-front cam)
'          in the graphics area for Path Link1. Zoom in if necessary.
'       7. Click the cylindrical face on Cam Roller<1> (right-front cam)
'          in the graphics area for Path Link2.
'       8. Expand Mount Base<1> and click its Right Plane in the
'          FeatureManager design tree for Path Alignment Plane.
'    b. Click OK to create ChainPattern1 feature.
'    c. Click Zoom to Fit.
' 3. Examine the FeatureManager design tree and graphics area.
' 4. Open the Immediate window.
' Postconditions:
' 1. Selects the ChainPattern1 feature.
' 2. Gets and sets some ChainPattern1 data.
' 3. Click Zoom to fit.
' 4. Examine the Immediate window and graphics area.
' NOTE: Because these models are 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()
        Dim swModel As ModelDoc2
        Dim swModelDocExt As ModelDocExtension
        Dim swSelectionMgr As SelectionMgr
        Dim swFeature As Feature
        Dim swChainPatternFeatureData As ChainPatternFeatureData
        Dim swModelView As ModelView
        Dim status As Boolean
        swModel = swApp.ActiveDoc
        swModelView = swModel.ActiveView
        'Get ChainPattern1 feature
        'Get and set some of its data
        swModelDocExt = swModel.Extension
        status = swModelDocExt.SelectByID2("ChainPattern1""COMPPATTERN", 0, 0, 0, False, 0, Nothing, 0)
        swSelectionMgr = swModel.SelectionManager
        swFeature = swSelectionMgr.GetSelectedObject6(1, -1)
        swChainPatternFeatureData = swFeature.GetDefinition
        status = swChainPatternFeatureData.AccessSelections(swModel, Nothing)
        Debug.Print("Name of feature: " & swFeature.Name)
        'Get pitch type
        Debug.Print("  Pitch type: " & swChainPatternFeatureData.PitchMethod)
        'Get align method
        Debug.Print("  Align method: " & swChainPatternFeatureData.AlignMethod)
        'Get whether Fill Path selected
        Debug.Print("  Original Fill Path: " & swChainPatternFeatureData.FillPath)
        'Get number of pattern instances and spacing
        Debug.Print("  Original number of instances: " & swChainPatternFeatureData.InstanceCount)
        Debug.Print("  Original distance between each pattern instance: " & swChainPatternFeatureData.Spacing)
        'Set Fill Path to true
        swChainPatternFeatureData.FillPath = True
        Debug.Print("  Modified Fill Path: " & swChainPatternFeatureData.FillPath)
        'Change spacing
        swChainPatternFeatureData.Spacing = 0.2
        Debug.Print("  Modified distance between each pattern instance: " & swChainPatternFeatureData.Spacing)
        swFeature.ModifyDefinition(swChainPatternFeatureData, 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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