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Fire Undo and Redo Pre- and Post-notifications in Part Document (VB.NET)

This example shows how to fire undo and redo pre- and post-notifications in a part document.

' --------------------------------------------------------------------------

' Preconditions: Open:

' <SOLIDWORKS_install_dir>\samples\tutorial\api\cstick.sldprt.

'

' A circle is created, undone, redone, and undone again.

' A pre and post-notification is fired and a message box is displayed

' before and after, respectively, each Undo and Redo. Click OK to close

' each message box.

'

' Postconditions: None

' --------------------------------------------------------------------------

Imports SolidWorks.Interop.sldworks

Imports SolidWorks.Interop.swconst

Imports System

Imports System.Collections

Partial Class SolidWorksMacro

    Public WithEvents swPart As PartDoc

    Public Sub Main()

        Dim swModel As ModelDoc2

        Dim swModelDocExt As ModelDocExtension

        Dim swSketchManager As SketchManager

        Dim swSketchSegment As SketchSegment

        Dim boolstatus As Boolean

        Dim openPart As Hashtable

 

        swModel = swApp.ActiveDoc

 

        ' Set up event notification

        swPart = swModel

        openPart = New Hashtable

        AttachEventHandlers()

 

        ' Create a circle on the

        ' top face of the candlestick

        swModelDocExt = swModel.Extension

        boolstatus = swModelDocExt.SelectByID2("", "FACE", 0.00140404215739, 0.2199999999999, 0.001897848026772, False, 0, Nothing, 0)

        swSketchManager = swModel.SketchManager

        swSketchSegment = swSketchManager.CreateCircle(0.0#, 0.0#, 0.0#, 0.01296, -0.006347, 0.0#)

 

        ' Undo creation of circle

        ' and fire an undo post-notification

        swModel.EditUndo2(1)

 

        ' Redo creation of circle

        ' and fire a redo post-notification

        swModel.EditRedo2(1)

 

        ' Undo creation of circle

        ' to leave model document unchanged

        ' and fire an Undo post-notification

        swModel.EditUndo2(1)

 

        swModel.ClearSelection2(True)

        swModel.ForceRebuild3(True)

    End Sub

 

    Sub AttachEventHandlers()

        AttachSWEvents()

    End Sub

 

    Sub AttachSWEvents()

        AddHandler swPart.UndoPostNotify, AddressOf Me.swPart_UndoPostNotify

        AddHandler swPart.UndoPreNotify, AddressOf Me.swPart_UndoPreNotify

        AddHandler swPart.RedoPostNotify, AddressOf Me.swPart_RedoPostNotify

        AddHandler swPart.RedoPostNotify, AddressOf Me.swPart_RedoPreNotify

    End Sub

 

    Function swPart_UndoPostNotify() As Integer

        ' Show message after an Undo  

        ' Display message after Undo

        ' NOTE: Because the message box may be displayed

        ' behind an opened window, you might not see it.

        ' If so, then check the Taskbar for it.  

        MsgBox("An Undo post-notification event has been fired.")

    End Function

 

    Function swPart_UndoPreNotify() As Integer

        ' Show message after an Undo  

        ' Display message after Undo

        ' NOTE: Because the message box may be displayed

        ' behind an opened window, you might not see it.

        ' If so, then check the Taskbar for it.

        MsgBox("An Undo pre-notification event has been fired.")

    End Function

 

    Function swPart_RedoPostNotify() As Integer

        ' Show message after an Undo  

        ' Display message after Undo

        ' NOTE: Because the message box may be displayed

        ' behind an opened window, you might not see it.

        ' If so, then check the Taskbar for it.

        MsgBox("A Redo post-notification event has been fired.")

    End Function

 

    Function swPart_RedoPreNotify() As Integer

        ' Show message after an Undo  

        ' Display message after Undo

        ' NOTE: Because the message box may be displayed

        ' behind an opened window, you might not see it.

        ' If so, then check the Taskbar for it.

        MsgBox("A Redo pre-notification event has been fired.")

    End Function

 

    ''' <summary>

    ''' The SldWorks swApp variable is pre-assigned for you.

    ''' </summary>

    Public swApp As SldWorks

 

End Class

 

 

 



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