This example shows how to get the version information of a file.
NOTE: If using the primary interop assembly provided with SOLIDWORKS PDM Professional, see Using .NET Framework 4.0 in Stand-alone Applications.

'---------------------------------------------------------------------------- ' Preconditions: ' 1. Start Microsoft Visual Studio. ' a. Click File > New > Project > Visual Basic > Windows Forms Application. ' b. Type GetFileVersionsVBNET 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. Click Debug > Start Debugging or press F5. ' ' Postconditions: ' 1. Displays the Version Information dialog box. ' a. Select a vault view. ' b. Click Browse. ' c. In the Select a file dialog: ' 1. Click a file in the vault. ' 2. Click Open. ' 2. Click Get file's version information. ' 3. Displays a message box containing the file name, number of versions, and ' each version's number, date, user, file size, and comments, if any. ' 4. Click OK to close the message box. ' 5. Close the Version Information dialog box. '----------------------------------------------------------------------------
'Form1.vb Imports EPDM.Interop.epdm Public Class Form1 Private vault1 As IEdmVault5 = Nothing Dim aFile As IEdmFile5 Dim aPos As IEdmPos5 Private Sub Form1_Load( _ ByVal sender As System.Object, _ ByVal e As System.EventArgs) _ Handles MyBase.Load Try Dim vault As IEdmVault8 = New EdmVault5 Dim Views() As EdmViewInfo = Nothing vault.GetVaultViews(Views, False) VaultsComboBox.Items.Clear() For Each View As EdmViewInfo In Views VaultsComboBox.Items.Add(View.mbsVaultName) Next If VaultsComboBox.Items.Count > 0 Then VaultsComboBox.Text = VaultsComboBox.Items(0) End If Catch ex As Runtime.InteropServices.COMException MessageBox.Show("HRESULT = 0x" + _ ex.ErrorCode.ToString("X") + vbCrLf + _ ex.Message) Catch ex As Exception MessageBox.Show(ex.Message) End Try End Sub Public Sub BrowseButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BrowseButton.Click Try 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 a file dialog OpenFileDialog1.InitialDirectory = vault1.RootFolderPath 'Show the Select a file dialog Dim DialogResult As System.Windows.Forms.DialogResult = Nothing DialogResult = OpenFileDialog1.ShowDialog() If Not (DialogResult = System.Windows.Forms.DialogResult.OK) Then ' Do nothing Else ' Browse for file whose versions to get Dim FileName As String = OpenFileDialog1.FileName FileListBox.Items.Add(FileName) aFile = vault1.GetFileFromPath(FileName) End If Catch ex As System.Runtime.InteropServices.COMException MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message) Catch ex As Exception MessageBox.Show(ex.Message) End Try End Sub Public Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Try Dim file As IEdmFile5 = Nothing file = aFile Dim enumVersion = DirectCast(file, IEdmEnumeratorVersion5) Dim pos As IEdmPos5 pos = enumVersion.GetFirstVersionPosition Dim version As IEdmVersion7 Dim message As String message = "History of " + file.Name + ": " + vbLf message = message + vbLf + "Number of versions: " + enumVersion.VersionCount.ToString + vbLf message = message + vbLf Dim str As String While Not pos.IsNull version = enumVersion.GetNextVersion(pos) str = "Version: " + version.VersionNo.ToString message = message + str str = version.VersionDate message = message + ", file date = " & str + ", user = " + version.User.Name str = version.FileSize2 message = message + ", file size = " + str + " bytes, comment = " + version.Comment + vbLf End While MsgBox(message) Catch ex As System.Runtime.InteropServices.COMException MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message) Catch ex As Exception MessageBox.Show(ex.Message) End Try End Sub End Class
<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) Try If disposing AndAlso components IsNot Nothing Then components.Dispose() End If Finally MyBase.Dispose(disposing) 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.VaultsComboBox = New System.Windows.Forms.ComboBox() Me.Button1 = New System.Windows.Forms.Button() Me.BrowseButton = New System.Windows.Forms.Button() Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog() Me.Label1 = New System.Windows.Forms.Label() Me.FileListBox = New System.Windows.Forms.ListBox() Me.SuspendLayout() ' 'VaultsComboBox ' Me.VaultsComboBox.Location = New System.Drawing.Point(12, 37) Me.VaultsComboBox.Name = "VaultsComboBox" Me.VaultsComboBox.Size = New System.Drawing.Size(161, 21) Me.VaultsComboBox.TabIndex = 7 ' 'Button1 ' Me.Button1.Location = New System.Drawing.Point(12, 135) Me.Button1.Name = "Button1" Me.Button1.Size = New System.Drawing.Size(158, 23) Me.Button1.TabIndex = 4 Me.Button1.Text = "Get file's version information" Me.Button1.UseVisualStyleBackColor = True ' 'BrowseButton ' Me.BrowseButton.ImageAlign = System.Drawing.ContentAlignment.TopLeft Me.BrowseButton.Location = New System.Drawing.Point(179, 83) Me.BrowseButton.Name = "BrowseButton" Me.BrowseButton.Size = New System.Drawing.Size(60, 28) Me.BrowseButton.TabIndex = 5 Me.BrowseButton.Text = "Browse..." Me.BrowseButton.UseVisualStyleBackColor = True ' 'OpenFileDialog1 ' Me.OpenFileDialog1.FileName = "OpenFileDialog1" Me.OpenFileDialog1.Multiselect = True Me.OpenFileDialog1.Title = "Select a file" ' 'Label1 ' Me.Label1.AutoSize = True Me.Label1.Location = New System.Drawing.Point(12, 21) Me.Label1.Name = "Label1" Me.Label1.Size = New System.Drawing.Size(91, 13) Me.Label1.TabIndex = 6 Me.Label1.Text = "Select vault view:" ' 'FileListBox ' Me.FileListBox.FormattingEnabled = True Me.FileListBox.Location = New System.Drawing.Point(12, 81) Me.FileListBox.Name = "FileListBox" Me.FileListBox.Size = New System.Drawing.Size(161, 30) Me.FileListBox.TabIndex = 8 ' 'Form1 ' Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(252, 175) Me.Controls.Add(Me.FileListBox) Me.Controls.Add(Me.Label1) Me.Controls.Add(Me.BrowseButton) Me.Controls.Add(Me.Button1) Me.Controls.Add(Me.VaultsComboBox) Me.Name = "Form1" Me.Text = "Version Information" Me.ResumeLayout(False) Me.PerformLayout() End Sub Friend WithEvents VaultsLabel As System.Windows.Forms.Label Friend WithEvents VaultsComboBox As System.Windows.Forms.ComboBox Friend WithEvents BrowseButton As System.Windows.Forms.Button Friend WithEvents Button1 As System.Windows.Forms.Button Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog Friend WithEvents Label1 As System.Windows.Forms.Label Friend WithEvents FileListBox As System.Windows.Forms.ListBox End Class