SOLIDWORKS PDM Professional API Help

Get File's State Transitions Example (C#)

This example shows how to get a file's current and next possible state transitions.

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 C# > Windows Forms Application.
//    b. Type StatesCSharp 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.cs in the Solution Explorer.
//    f. Replace the code in Form1.cs with this code.
//    g. To create the form, replace the code in Form1.Designer.cs 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 the vault contains a file in a workflow state.

// 5. Click Debug > Start Debugging or press F5.
//
// Postconditions: 
// 1. Displays the State Transitions dialog box.
// 2. Select a vault view.
// 3. Click Browse.
// 4. Displays the Select a file dialog box.
//    a. Select a file in the selected vault.
//    b. Click Open.
//    The selected file's path and file name appear 
//    in the Select a file dialog box.
// 5. Click Get state transitions
// 6. Displays a message box showing the name of the selected
//    file and its current and next possible state transitions.
// 7. Click OK to close the message box.
// 8.
Displays a message box showing whether the logged-in user must
//    add comment when transitioning the selected file to one of its next
//    possible states.
// 9. Click OK to close the message box.
//10. Displays a message box with the archive server log.
//11. Click OK to close the message box.

//12. Close the State Transitions dialog box.
//----------------------------------------------------------------------------

//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 StatesCSharp
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        IEdmVault5 vault1 = null;
        IEdmFile5 aFile;
 
 
        void Form1_Load(System.Object sender, System.EventArgs e)
        {
 
            try
            {
                IEdmVault5 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") + "\n" + ex.Message);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
 
        public void GetTransitionButton_Click(System.Object sender, System.EventArgs e)
        {
            try
            {
                //Only create a new vault object
                //if one hasn't been created yet
                if (vault1 == null)
                {
                    vault1 = new EdmVault5();
                }
 
                if (!vault1.IsLoggedIn)
                {
                    //Log into selected vault as the current user
                    vault1.LoginAuto(VaultsComboBox.Text, this.Handle.ToInt32());
                }
 

                IEdmVault20 vault2;
                vault2 = (IEdmVault20)vault1;
 
                //Get the file's current workflow state
                IEdmState5 workflowState = default(IEdmState5);
                workflowState = aFile.CurrentState;
 
                //Start an enumeration of the transitions to 
                //and from the file's current workflow state
                IEdmPos5 pos = default(IEdmPos5);
                pos = workflowState.GetFirstTransitionPosition();
 
                //Make sure current workflow state
                //has a next transition state
                //If not, exit application
                if (pos.IsNull)
                {
                    MessageBox.Show("No next possible transition states.");
                    return;
                }
 

                IEdmTransition10 transition = default(IEdmTransition10);
 
                //Get the file's next possible transition to or from 
                //the file's current workflow state
                transition = (IEdmTransition10)workflowState.GetNextTransition(pos);
 
                string message = "Current state for " + aFile.Name + ": " + "\n";
                message = message + " * " + workflowState.Name + "\n" + "\n";
                message = message + "Next possible state transitions for " + aFile.Name + ":" + "\n";
                message = message + "  * " + transition.Name + "\n";
                //message = message + "    Requires authentication? " + transition.Authentication.ToString() + "\n";
 
                //Iterate through the file's remaining next possible state
                //transitions to or from the file's current workflow state
                while ((!pos.IsNull))
                {
                    transition = (IEdmTransition10)workflowState.GetNextTransition(pos);
                    message = message + "  * " + transition.Name + "\n";
                    //message = message + "    Requires authentication? " + transition.Authentication.ToString() + "\n";
                }
 
                //Display a message box showing the file's name and its
                //next possible state transitions
                MessageBox.Show(message);
 

                IEdmUserMgr10 userMgr;
                userMgr = (IEdmUserMgr10)vault2.CreateUtility(EdmUtility.EdmUtil_UserMgr);
 
                IEdmUser5 user;
                user = userMgr.GetLoggedInUser();
 
                int[] files = new int[1];
                files[0] = aFile.ID;
 
                string[] transitions = new string[1];
                transitions[0] = transition.Name;  //a possible transition
 
                bool[] permBool = new bool[1];
                permBool = vault2.GetTransitionCommentPermissions(user.ID, files, transitions);
 
                message = "Logged-in user, " + user.Name + ", must add a state change comment on " + transition.Name + " for " + aFile.Name + "? " + permBool[0];
 
                //Display a message box showing whether the logged-in user must add a comment
                //when transitioning the file to one of the next possible states
                MessageBox.Show(message);

                //Display a message box with the archive server's log
                string asLog = "";
                vault2.GetArchiveServerLog(out asLog);
                message = "Archive server log: " + asLog;
                MessageBox.Show(message);


 
            }
            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 BrowseButton_Click(System.Object sender, System.EventArgs e)
        {
            try
            {
                //If one hasn't been created yet
                if (vault1 == null)
                {
                    vault1 = new EdmVault5();
                }
 
                if (!vault1.IsLoggedIn)
                {
                    //Log into selected vault as the current user
                    vault1.LoginAuto(VaultsComboBox.Text, this.Handle.ToInt32());
                }
                //Set the initial directory in the Select a file dialog
                OpenFileDialog1.InitialDirectory = vault1.RootFolderPath;
                //Show the Select a file dialog
                System.Windows.Forms.DialogResult DialogResult;
                DialogResult = OpenFileDialog1.ShowDialog();
 
                if (!(DialogResult == System.Windows.Forms.DialogResult.OK))
                {
                    //Do nothing
                }
                else
                {
                    //Browse for a file whose next possible state 
                    //transitions to get
                    string fileName = OpenFileDialog1.FileName;
                    FileListBox.Items.Add(fileName);
                    IEdmFolder5 retFolder = default(IEdmFolder5);
                    aFile = vault1.GetFileFromPath(fileName, out retFolder);
 
                }
 
            }
            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 StatesCSharp
{
    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.FileListBox = new System.Windows.Forms.ListBox();
            this.BrowseButton = new System.Windows.Forms.Button();
            this.GetTransitionButton = new System.Windows.Forms.Button();
            this.OpenFileDialog1 = new System.Windows.Forms.OpenFileDialog();
            this.SuspendLayout();
            // 
            // VaultsLabel
            // 
            this.VaultsLabel.AutoSize = true;
            this.VaultsLabel.Location = new System.Drawing.Point(13, 22);
            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(16, 39);
            this.VaultsComboBox.Name = "VaultsComboBox";
            this.VaultsComboBox.Size = new System.Drawing.Size(221, 21);
            this.VaultsComboBox.TabIndex = 1;
            // 
            // FileListBox
            // 
            this.FileListBox.FormattingEnabled = true;
            this.FileListBox.Location = new System.Drawing.Point(16, 96);
            this.FileListBox.Name = "FileListBox";
            this.FileListBox.Size = new System.Drawing.Size(179, 30);
            this.FileListBox.TabIndex = 2;
            // 
            // BrowseButton
            // 
            this.BrowseButton.Location = new System.Drawing.Point(209, 96);
            this.BrowseButton.Name = "BrowseButton";
            this.BrowseButton.Size = new System.Drawing.Size(75, 23);
            this.BrowseButton.TabIndex = 3;
            this.BrowseButton.Text = "Browse...";
            this.BrowseButton.UseVisualStyleBackColor = true;
            this.BrowseButton.Click += new System.EventHandler(BrowseButton_Click);
            // 
            // GetTransitionButton
            // 
            this.GetTransitionButton.Location = new System.Drawing.Point(16, 150);
            this.GetTransitionButton.Name = "GetTransitionButton";
            this.GetTransitionButton.Size = new System.Drawing.Size(188, 23);
            this.GetTransitionButton.TabIndex = 4;
            this.GetTransitionButton.Text = "Get next possible state transitions";
            this.GetTransitionButton.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            this.GetTransitionButton.UseVisualStyleBackColor = true;
            this.GetTransitionButton.Click += new System.EventHandler(GetTransitionButton_Click);
            //
            //OpenFileDialog1
            //
            this.OpenFileDialog1.FileName = "OpenFileDialog1";
            this.OpenFileDialog1.Multiselect = true;
            this.OpenFileDialog1.Title = "Select a file";
            //
 
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(284, 200);
            this.Controls.Add(this.GetTransitionButton);
            this.Controls.Add(this.BrowseButton);
            this.Controls.Add(this.FileListBox);
            this.Controls.Add(this.VaultsComboBox);
            this.Controls.Add(this.VaultsLabel);
            this.Name = "Form1";
            this.Text = "Workflow State Transitions";
            this.ResumeLayout(false);
            this.PerformLayout();
            this.Load += new System.EventHandler(Form1_Load);
 
        }
 
        #endregion
 
        private System.Windows.Forms.Label VaultsLabel;
        private System.Windows.Forms.ComboBox VaultsComboBox;
        private System.Windows.Forms.ListBox FileListBox;
        private System.Windows.Forms.Button BrowseButton;
        private System.Windows.Forms.Button GetTransitionButton;
        private System.Windows.Forms.OpenFileDialog OpenFileDialog1;
    }
}

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