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Undo Deleted Note and Fire Undo Pre- and Post-notify Events Example (VB.NET)

This example demonstrates firing Undo pre- and post-notification events in a drawing document.

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

' Preconditions: Open:

' <SolidWorks_install_dir>\samples\tutorial\driveworksxpress\mobile gantry.slddrw.

'

' The right-side note in Drawing View 3 is selected and then deleted.

' The latter action is then undone and pre- and post-notification

' events are fired indicating that an undo action is about to occur

' and has occurred.

'

' Postconditions: None

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

Imports SolidWorks.Interop.sldworks

Imports SolidWorks.Interop.swconst

Imports System

Imports System.Collections

Imports System.Windows.Forms

 

Partial Class SolidWorksMacro

 

    Public WithEvents swDrawing As DrawingDoc

 

    Public Sub main()

 

        Dim swModel As ModelDoc2

        Dim swModelDocExt As ModelDocExtension

        Dim boolstatus As Boolean

        Dim openDrawing As Hashtable

 

        swModel = swApp.ActiveDoc

        swModelDocExt = swModel.Extension

 

        ' Event notification

        swDrawing = swModel

        openDrawing = New Hashtable

        AttachEventhandlers()

 

        ' Activate the drawing view that contains

        ' the note you want to delete

        boolstatus = swDrawing.ActivateView("Drawing View3")

        boolstatus = swModelDocExt.SelectByID2("DetailItem77@Drawing View3", "NOTE", 0.3058741216774, 0.1870419466786, 0, False, 0, Nothing, 0)

 

        ' Delete the selected note

        swModel.EditDelete()

 

        ' Undo deletion of note

        ' Pre- and post-notifications fired

        swModel.EditUndo2(1)

 

        ' Rebuild the drawing

        swModel.ForceRebuild3(True)

 

    End Sub

 

    Sub AttachEventHandlers()

        AttachSWEvents()

    End Sub

 

    Sub AttachSWEvents()

        AddHandler swDrawing.UndoPostNotify, AddressOf Me.swDrawing_UndoPostNotify

        AddHandler swDrawing.UndoPreNotify, AddressOf Me.swDrawing_UndoPreNotify

 

    End Sub

 

    Private Function swDrawing_UndoPostNotify() As Integer

        ' 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

 

    Private Function swDrawing_UndoPreNotify() As Integer

        ' 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

 

    ''' <summary>

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

    ''' </summary>

    Public swApp As SldWorks

 

End Class



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