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Batch Change States of Files Example (VB.NET)

This example shows how to change the states of several files in one batch.

NOTE: If using the .NET Framework 4.0 primary interop assembly provided with SolidWorks Enterprise PDM, 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 Enterprise PDM 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 workflow exists with:
'     a. A Waiting for Approval state.
'     b. An Approved state.
'     c. A Passed Approval transition from the Waiting for Approval state to
'        the Approved state.
'     d. One or more vault files in the Waiting for Approval state.

'  5. Click Debug > Start Debugging or press F5.
' Postconditions: 
'  1. The Approve Files dialog box displays.
'     a. Select a vault view.
'     b. Click Select files to approve.
'     c. In the Select File dialog:
'        1. Select vault files in the Waiting for Approval state.
'        2. Click Open.
'     d. Click Approve all files.
'  2. Click OK in the Do Transition dialog box.
'     The selected files change to the Approved state using the Passed Approval
'     transition.
'  3. Close the Approve Files 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 Transition_Click(ByVal sender As System.ObjectByVal e As System.EventArgsHandles Transition.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
            '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 = "Transition to Approved state."
        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 BatchChange_Click(ByVal sender As System.ObjectByVal e As System.EventArgsHandles BatchChange.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 the available transitions
            Dim ppoTransitions() As EdmChangeStateTransitionInfo = Nothing
            Dim i As Integer = 0
            Dim str As String = ""
            While i <= ppoTransitions.GetUpperBound(0)
                If i = 0 Then
                    str = ppoTransitions(i).moName
                    str = str + ", " + ppoTransitions(i).moName
                End If
                i = i + 1
            End While
            'MsgBox("Transitions available: " & str)
            ' Get list of files affected by the state transition
            Dim selList As IEdmSelectionList6
            selList = batchChanger.GetFileList(EdmChangeStateFileListFlag.Ecsflf_GetActionUpdated + EdmChangeStateFileListFlag.Ecsflf_GetChanged + EdmChangeStateFileListFlag.Ecsflf_GetUnprocessed)
            Dim selObject As EdmSelectionObject = New EdmSelectionObject()
            aPos = selList.GetHeadPosition()
            str = "Files affected by this state transition: "
            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 allowed transitions
            retVal = batchChanger.CreateTree("Passed Approval")
            Dim retVal2 As Boolean
            If (retVal) Then
                ' Show all of the items in the batch
                retVal2 = batchChanger.ShowDlg(Me.Handle.ToInt32())
                If (retVal2) Then
                    ' User clicked OK; 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.Transition = New System.Windows.Forms.Button()
        Me.File1List = New System.Windows.Forms.ListBox()
        Me.BatchChange = New System.Windows.Forms.Button()
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog()
        Me.VaultsLabel.AutoSize = True
        Me.VaultsLabel.Location = New System.Drawing.Point(36, 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(39, 40)
        Me.VaultsComboBox.Name = "VaultsComboBox"
        Me.VaultsComboBox.Size = New System.Drawing.Size(121, 21)
        Me.VaultsComboBox.TabIndex = 1
        Me.Transition.Location = New System.Drawing.Point(39, 85)
        Me.Transition.Name = "Transition"
        Me.Transition.Size = New System.Drawing.Size(158, 23)
        Me.Transition.TabIndex = 2
        Me.Transition.Text = "Select files to approve..."
        Me.Transition.UseVisualStyleBackColor = True
        Me.File1List.FormattingEnabled = True
        Me.File1List.HorizontalScrollbar = True
        Me.File1List.Location = New System.Drawing.Point(40, 114)
        Me.File1List.Name = "File1List"
        Me.File1List.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended
        Me.File1List.Size = New System.Drawing.Size(220, 43)
        Me.File1List.TabIndex = 4
        Me.BatchChange.Location = New System.Drawing.Point(40, 183)
        Me.BatchChange.Name = "BatchChange"
        Me.BatchChange.Size = New System.Drawing.Size(157, 23)
        Me.BatchChange.TabIndex = 6
        Me.BatchChange.Text = "Approve all files"
        Me.BatchChange.UseVisualStyleBackColor = True
        Me.OpenFileDialog1.FileName = "OpenFileDialog1"
        Me.OpenFileDialog1.Multiselect = True
        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 = "Approve Files"
    End Sub
    Friend WithEvents VaultsLabel As System.Windows.Forms.Label
    Friend WithEvents VaultsComboBox As System.Windows.Forms.ComboBox
    Friend WithEvents Transition As System.Windows.Forms.Button
    Friend WithEvents File1List As System.Windows.Forms.ListBox
    Friend WithEvents BatchChange As System.Windows.Forms.Button
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
End Class




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