# SOLIDWORKS PDM Professional API Help

# Get Categories Example (VB.NET)

This example shows how to access the categories in a vault.

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.
' 2. Click File > New > Project > Visual Basic > Windows Forms Application.
' 3. Type GetCategories in Name.
' 4. Click Browse to navigate to the folder where to create the project.
' 5. Click OK.
' 6. Click Show All Files in the Solution Explorer toolbar and expand
' Form1.vb in the Solution Explorer.
' 7. Replace the code in Form1.vb with this code.
' 8. To create the form, replace the code in Form1.Designer.vb with this code.
' 9. Add EPDM.Interop.epdm.dll as a reference (right-click the project
' name in the Solution Explorer, click Add Reference, click
' Assembly > 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).
' 10. Right-click EPDM.Interop.epdm in References, select Properties, and set
' Embed Interop Types to False to handle methods that pass arrays of
' structures.
' 11. Click Debug > Start Debugging or press F5.
'
' Postconditions:
' 1. Displays a dialog.
' 2. Select a vault.
' 3. Click Get categories.
' 4. Displays a message box with the names and descriptions of all of the categories
' in the vault.
' 5. Click OK in the message box.
' 6. Close the dialog.
'----------------------------------------------------------------------------

    'Form1.vb

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
Public Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
vault1 = New EdmVault5()
Dim vault As IEdmVault8 = DirectCast(vault1, IEdmVault8)
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 = 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
MessageBox.Show(ex.Message)
End Try
End Sub
Public Sub GetCategories_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GetCategories.Click
Try
Dim vault2 As IEdmVault7 = Nothing
If vault1 Is Nothing Then
vault1 = New EdmVault5()
End If
vault2 = DirectCast(vault1, IEdmVault9)
If Not vault1.IsLoggedIn Then
vault1.LoginAuto(VaultsComboBox.Text, Me.Handle.ToInt32())
End If
Dim Categories As IEdmCategoryMgr6
Categories = vault2.CreateUtility(EdmUtility.EdmUtil_CategoryMgr)
Dim Pos As IEdmPos5
Pos = Categories.GetFirstCategoryPosition
Dim Category As IEdmCategory6
Dim Msg As String
Msg = "The categories in this vault are:"
While Not Pos.IsNull
Category = Categories.GetNextCategory(Pos)
Msg = Msg + vbLf + Category.Name + " (" + Category.Description + ")"
End While
MsgBox(Msg)
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

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    'Form1.Designer.vb

<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.VaultsLabel = New System.Windows.Forms.Label()
Me.VaultsComboBox = New System.Windows.Forms.ComboBox()
Me.GetCategories = New System.Windows.Forms.Button()
Me.SuspendLayout()
'
'VaultsLabel
'
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:"
'
'VaultsComboBox
'
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
'
'GetCategories
'
Me.GetCategories.Location = New System.Drawing.Point(39, 79)
Me.GetCategories.Name = "GetCategories"
Me.GetCategories.Size = New System.Drawing.Size(157, 23)
Me.GetCategories.TabIndex = 6
Me.GetCategories.Text = "Get categories"
Me.GetCategories.UseVisualStyleBackColor = True
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(284, 142)
Me.Controls.Add(Me.GetCategories)
Me.Controls.Add(Me.VaultsComboBox)
Me.Controls.Add(Me.VaultsLabel)
Me.Name = "Form1"
Me.Text = "Categories"
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 GetCategories As System.Windows.Forms.Button
End Class

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