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Batch Revoke State Transitions of Files Example (VB.NET)

This example shows how to revoke the state transitions of several files in one batch.

NOTE: If using the .NET Framework 4.0 primary interop assembly provided with SOLIDWORKS PDM Professional, see Using .NET Framework 4.0 in Stand-alone Applications.

' Preconditions:
'  1. Start Microsoft Visual Studio 2010.
'     a. Click File > New > Project > Visual Basic > Windows Forms Application.
'     b. Type BatchChangeFileStates in Name.
'     c. Click Browse and navigate to the folder where to create the project.
'     d. Click OK
'     e. Click Show All Files in the Solution Explorer toolbar and expand 
'        Form1.vb in the Solution Explorer.
'     f. Replace the code in Form1.vb with this code.
'     g. To create the form, replace the code in Form1.Designer.vb with 
'        this code.

'  2. Add EPDM.Interop.epdm.dll as a reference (right-click the project
'     name in the Solution Explorer, click Add Reference, click 
'     Assemblies > Framework in the left-side panel, browse to the top folder of 
'     your SOLIDWORKS PDM Professional installation, locate and click 
'     EPDM.Interop.epdm.dll, click Open, click Add, and click Close).
'  3. Right-click EPDM.Interop.epdm in References, click Properties, and set 
'     Embed Interop Types to False to handle methods that pass arrays of 
'     structures.
'  4. Ensure that:
'     a. A workflow exists with
a No Approval Required transition.
'     b. One or more vault files are transitioned to the Approved state using the
'        No Approval Required transition.

'  5. Click Debug > Start Debugging or press F5.
' Postconditions: 
'  1. The Revoke state transitions dialog box displays.
'     a. Select a vault view.
'     b. Click Select files for which to revoke transitions.
'     c. In the Select File dialog:
'        1. Select a file that transitioned to the Approved state using the
'           No Approval Required transition.

'        2. Click Open.
'  2. Click Revoke transitions.
'  3. Click OK in the Revoke Transition dialog box.
'     The selected file's No Approval Required transition is revoked.
'  4. Close the Revoke state transitions dialog box.

Imports System.IO
Imports System.Xml.Serialization
Imports System.Collections
Imports System.Collections.Generic
Imports System.Data
Imports System.Diagnostics
Imports System.Windows.Forms
Imports System.ComponentModel
Imports EPDM.Interop.epdm
Public Class Form1
    Private vault1 As IEdmVault5 = Nothing
    Dim batchChanger As IEdmBatchChangeState3
    Dim aFile As IEdmFile5
    Dim aFolder As IEdmFolder5
    Dim aPos As IEdmPos5
    Dim retVal As Boolean
    Public Sub Form1_Load(ByVal sender As System.ObjectByVal e As System.EventArgsHandles MyBase.Load
            Dim vault1 As IEdmVault5 = New EdmVault5()
            Dim vault As IEdmVault8 = DirectCast(vault1, IEdmVault8)
            Dim Views As EdmViewInfo() = Nothing
            vault.GetVaultViews(Views, False)
            For Each View As EdmViewInfo In Views
            If VaultsComboBox.Items.Count > 0 Then
                VaultsComboBox.Text = DirectCast(VaultsComboBox.Items(0), String)
            End If
        Catch ex As System.Runtime.InteropServices.COMException
            MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message)
        Catch ex As Exception
        End Try
    End Sub
    Public Sub SelectFiles_Click(ByVal sender As System.ObjectByVal e As System.EventArgsHandles SelectFiles.Click
            Dim vault2 As IEdmVault11 = Nothing
            If vault1 Is Nothing Then
                vault1 = New EdmVault5()
            End If
            vault2 = DirectCast(vault1, IEdmVault11)
            If Not vault1.IsLoggedIn Then
                vault1.LoginAuto(VaultsComboBox.Text, Me.Handle.ToInt32())
            End If
            'Set the initial directory in the Select File dialog
            OpenFileDialog1.InitialDirectory = vault1.RootFolderPath
            'Show the Select File dialog
            Dim DialogResult As System.Windows.Forms.DialogResult = Nothing
            DialogResult = OpenFileDialog1.ShowDialog()
            'If the user didn't click Open, exit this subroutine
            If Not (DialogResult = System.Windows.Forms.DialogResult.OK) Then
            End If
            batchChanger = vault2.CreateUtility(EdmUtility.EdmUtil_BatchChangeState)
            For Each FileName As String In OpenFileDialog1.FileNames
                aFile = vault1.GetFileFromPath(FileName)
                aPos = aFile.GetFirstFolderPosition
                aFolder = aFile.GetNextFolder(aPos)
                ' Add each file selected to the batch
                batchChanger.AddFile(aFile.ID, aFolder.ID)
            batchChanger.Comment = "Revoke transitions."
        Catch ex As System.Runtime.InteropServices.COMException
            MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message)
        Catch ex As Exception
        End Try
    End Sub
    Public Sub RevokeTransitions_Click(ByVal sender As System.ObjectByVal e As System.EventArgsHandles RevokeTransitions.Click
            Dim vault2 As IEdmVault7 = Nothing
            If vault1 Is Nothing Then
                vault1 = New EdmVault5()
            End If
            vault2 = DirectCast(vault1, IEdmVault7)
            If Not vault1.IsLoggedIn Then
                vault1.LoginAuto(VaultsComboBox.Text, Me.Handle.ToInt32())
            End If
            ' Get list of files affected by the transition revocation
            Dim selList As IEdmSelectionList6
            selList = batchChanger.GetFileList(EdmChangeStateFileListFlag.Ecsflf_GetChanged)
            Dim selObject As EdmSelectionObject = New EdmSelectionObject()
            Dim str As String
            Dim i As Integer
            aPos = selList.GetHeadPosition()
            str = "Files affected by this transition revocation: "
            i = 0
            While i < selList.Count
                selList.GetNext2(aPos, selObject)
                str = str + selObject.mbsPath
                i = i + 1
            End While
            ' Create the file reference tree and verify transition revocation
            retVal = batchChanger.CreateTreeForRevoke("No Approval Required")
            Dim retVal2 As Boolean
            If (retVal) Then
                ' Show all of the items in the batch
                retVal2 = batchChanger.ShowDlg(Me.Handle.ToInt32())
                If (retVal2) Then
                    ' Commit all of the items in the batch to the vault
                End If
            End If
        Catch ex As System.Runtime.InteropServices.COMException
            MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message)
        Catch ex As Exception
        End Try
    End Sub
End Class


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<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form
    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
            If disposing AndAlso components IsNot Nothing Then
            End If
        End Try
    End Sub
    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer
    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.VaultsLabel = New System.Windows.Forms.Label()
        Me.VaultsComboBox = New System.Windows.Forms.ComboBox()
        Me.SelectFiles = New System.Windows.Forms.Button()
        Me.File1List = New System.Windows.Forms.ListBox()
        Me.RevokeTransitions = New System.Windows.Forms.Button()
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog()
        Me.VaultsLabel.AutoSize = True
        Me.VaultsLabel.Location = New System.Drawing.Point(12, 24)
        Me.VaultsLabel.Name = "VaultsLabel"
        Me.VaultsLabel.Size = New System.Drawing.Size(91, 13)
        Me.VaultsLabel.TabIndex = 0
        Me.VaultsLabel.Text = "Select vault view:"
        Me.VaultsComboBox.FormattingEnabled = True
        Me.VaultsComboBox.Location = New System.Drawing.Point(15, 40)
        Me.VaultsComboBox.Name = "VaultsComboBox"
        Me.VaultsComboBox.Size = New System.Drawing.Size(121, 21)
        Me.VaultsComboBox.TabIndex = 1
        Me.SelectFiles.Location = New System.Drawing.Point(15, 85)
        Me.SelectFiles.Name = "SelectFiles"
        Me.SelectFiles.Size = New System.Drawing.Size(233, 23)
        Me.SelectFiles.TabIndex = 2
        Me.SelectFiles.Text = "Select files for which to revoke transitions..."
        Me.SelectFiles.UseVisualStyleBackColor = True
        Me.File1List.FormattingEnabled = True
        Me.File1List.HorizontalScrollbar = True
        Me.File1List.Location = New System.Drawing.Point(15, 114)
        Me.File1List.Name = "File1List"
        Me.File1List.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended
        Me.File1List.Size = New System.Drawing.Size(257, 43)
        Me.File1List.TabIndex = 4
        Me.RevokeTransitions.Location = New System.Drawing.Point(40, 183)
        Me.RevokeTransitions.Name = "RevokeTransitions"
        Me.RevokeTransitions.Size = New System.Drawing.Size(157, 23)
        Me.RevokeTransitions.TabIndex = 6
        Me.RevokeTransitions.Text = "Revoke transitions"
        Me.RevokeTransitions.UseVisualStyleBackColor = True
        Me.OpenFileDialog1.FileName = "OpenFileDialog1"
        Me.OpenFileDialog1.Multiselect = False
        Me.OpenFileDialog1.Title = "Select File"
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(284, 235)
        Me.Name = "Form1"
        Me.Text = "Revoke state transitions"
    End Sub
    Friend WithEvents VaultsLabel As System.Windows.Forms.Label
    Friend WithEvents VaultsComboBox As System.Windows.Forms.ComboBox
    Friend WithEvents SelectFiles As System.Windows.Forms.Button
    Friend WithEvents File1List As System.Windows.Forms.ListBox
    Friend WithEvents RevokeTransitions As System.Windows.Forms.Button
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
End Class

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