# SOLIDWORKS PDM Professional API Help

# Get Categories Example (C#)

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 C# > Windows Forms Application.
    //  3. Type GetCategories_CSharp 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.cs in the Solution Explorer.
    //  7. Replace the code in Form1.cs with this code.
    //  8. To create the form, replace the code in Form1.Designer.cs 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 select
    //     EPDM.Interop.epdm.dll, click Open, and click Add).
    // 10. Right-click EPDM.Interop.epdm in References, click 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.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using EPDM.Interop.epdm;
namespace GetCategories_CSharp
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private IEdmVault5 vault1 = null;
public void Form1_Load(System.Object sender, System.EventArgs e)
{
try
{
vault1 = new EdmVault5();
IEdmVault8 vault = (IEdmVault8)vault1;
EdmViewInfo[] Views = null;
vault.GetVaultViews(out Views, false);
VaultsComboBox.Items.Clear();
foreach (EdmViewInfo View in Views)
{
VaultsComboBox.Items.Add(View.mbsVaultName);
}
if (VaultsComboBox.Items.Count > 0)
{
VaultsComboBox.Text = (string)VaultsComboBox.Items[0];
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void GetCategories_Click(System.Object sender, System.EventArgs e)
{
try
{
IEdmVault7 vault2 = null;
if (vault1 == null)
{
vault1 = new EdmVault5();
}
vault2 = (IEdmVault9)vault1;
if (!vault1.IsLoggedIn)
{
vault1.LoginAuto(VaultsComboBox.Text, this.Handle.ToInt32());
}
IEdmCategoryMgr6 Categories = default(IEdmCategoryMgr6);
Categories = (IEdmCategoryMgr6)vault2.CreateUtility(EdmUtility.EdmUtil_CategoryMgr);
IEdmPos5 Pos = default(IEdmPos5);
Pos = (IEdmPos5)Categories.GetFirstCategoryPosition();
IEdmCategory6 Category = default(IEdmCategory6);
string Msg = null;
Msg = "The categories in this vault are:";
while (!Pos.IsNull)
{
Category = Categories.GetNextCategory(Pos);
Msg = Msg + "\r\n"+ Category.Name + " (" + Category.Description + ")";
}
Interaction.MsgBox(Msg);
}
catch (System.Runtime.InteropServices.COMException ex)
{
MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}

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    //Form1.Designer.cs

namespace GetCategories_CSharp
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.VaultsLabel = new System.Windows.Forms.Label();
this.VaultsComboBox = new System.Windows.Forms.ComboBox();
this.GetCategories = new System.Windows.Forms.Button();
this.SuspendLayout();
//
//VaultsLabel
//
this.VaultsLabel.AutoSize = true;
this.VaultsLabel.Location = new System.Drawing.Point(36, 24);
this.VaultsLabel.Name = "VaultsLabel";
this.VaultsLabel.Size = new System.Drawing.Size(91, 13);
this.VaultsLabel.TabIndex = 0;
this.VaultsLabel.Text = "Select vault view:";
//
//VaultsComboBox
//
this.VaultsComboBox.FormattingEnabled = true;
this.VaultsComboBox.Location = new System.Drawing.Point(39, 40);
this.VaultsComboBox.Name = "VaultsComboBox";
this.VaultsComboBox.Size = new System.Drawing.Size(121, 21);
this.VaultsComboBox.TabIndex = 1;
//
//GetCategories
//
this.GetCategories.Location = new System.Drawing.Point(39, 79);
this.GetCategories.Name = "GetCategories";
this.GetCategories.Size = new System.Drawing.Size(157, 23);
this.GetCategories.TabIndex = 6;
this.GetCategories.Text = "Get categories";
this.GetCategories.UseVisualStyleBackColor = true;
this.GetCategories.Click +=new System.EventHandler(GetCategories_Click);
//
//Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6f, 13f);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(284, 142);
this.Controls.Add(this.GetCategories);
this.Controls.Add(this.VaultsComboBox);
this.Controls.Add(this.VaultsLabel);
this.Name = "Form1";
this.Text = "Categories";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
internal System.Windows.Forms.Label VaultsLabel;
internal System.Windows.Forms.ComboBox VaultsComboBox;
internal System.Windows.Forms.Button GetCategories;
#endregion
}
}

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