コード例 #1
0
        public List <string> DrillToAsset_BuildDrillPathParts(MOG_Filename assetFilename, bool includeRevisions)
        {
            List <string> parts = new List <string>();

            if (Nodes != null)
            {
                if (Nodes.Count > 0)
                {
                    if (!String.IsNullOrEmpty(assetFilename.GetOriginalFilename()))
                    {
                        // Add classification elements
                        string classification = assetFilename.GetAssetClassification();
                        if (!String.IsNullOrEmpty(classification))
                        {
                            string[] classificationParts = MOG_Filename.SplitClassificationString(classification);
                            parts.AddRange(classificationParts);

                            // Add asset name elements
                            string assetName = assetFilename.GetAssetName();
                            if (!String.IsNullOrEmpty(assetName))
                            {
                                parts.Add(assetName);

                                // Check if we have a version?
                                if (!String.IsNullOrEmpty(assetFilename.GetVersionTimeStamp()) && includeRevisions)
                                {
                                    // Date format string
                                    string dateFormat = MOG_Tokens.GetMonth_1() + "/" + MOG_Tokens.GetDay_1() + "/" + MOG_Tokens.GetYear_4()
                                                        + " " + MOG_Tokens.GetHour_1() + ":" + MOG_Tokens.GetMinute_2() + " " + MOG_Tokens.GetAMPM();

                                    parts.Add(Revisions_Text);
                                    parts.Add("<" + assetFilename.GetVersionTimeStampString(dateFormat) + ">");
                                }
                            }
                        }
                    }
                }
            }

            return(parts);
        }
コード例 #2
0
        public virtual void MakeAssetCurrent(MOG_Filename assetFilename)
        {
            // Make sure this assetFilename has the info we want
            if (assetFilename != null &&
                assetFilename.GetVersionTimeStamp().Length > 0)
            {
                TreeNode foundNode = FindNode(assetFilename.GetAssetFullName());
                if (foundNode != null)
                {
                    // Update this parent node with the new information concerning this asset
                    Mog_BaseTag assetTag = foundNode.Tag as Mog_BaseTag;
                    if (assetTag != null)
                    {
                        assetTag.FullFilename = assetFilename.GetOriginalFilename();
                    }
                }
                else
                {
                    // Try to find the asset's classification node?
                    foundNode = FindNode(assetFilename.GetAssetClassification());
                    if (foundNode != null)
                    {
                        // Create a new asset node
                        TreeNode assetNode = CreateAssetNode(assetFilename);

                        // Find the right spot in the list for this new asset
                        int insertPosition = 0;
                        foreach (TreeNode node in foundNode.Nodes)
                        {
                            if (string.Compare(node.Text, assetNode.Text, true) < 0)
                            {
                                insertPosition++;
                            }
                            break;
                        }
                        // Insert the new asset node
                        foundNode.Nodes.Insert(insertPosition, assetNode);
                    }
                }
            }
        }
コード例 #3
0
ファイル: ListForm.cs プロジェクト: MOGwareSupport/MOG
        /// <summary>
        ///  Add a new mog asset to the listView items array
        /// </summary>
        /// <param name="mogAsset"></param>
        /// <param name="version"></param>
        /// <param name="pProperties"></param>
        /// <param name="failedString"></param>
        /// <returns></returns>
        public ListViewItem ItemAdd(MOG_Filename mogAsset, MOG_Properties pProperties, string failedString)
        {
            //MOG_Time assetTime = new MOG_Time(version);

            ListViewItem item = AddItemToListView(mogAsset, pProperties, ToString(mogAsset, pProperties, mogAsset.GetVersionTimeStamp()).GetEncodedFilename());

            //item.SubItems[FindColumn("Failed Check")].Text = failedString;												// Failed string

            return(item);
        }
コード例 #4
0
ファイル: ListForm.cs プロジェクト: MOGwareSupport/MOG
        /// <summary>
        /// Load a report form from a file and populate it
        /// </summary>
        /// <param name="filename"></param>
        public void LoadReportList(string filename)
        {
            MOG_Ini report = new MOG_Ini(filename);

            // Set the form title
            Text = Path.GetFileName(filename);

            if (report.SectionExist("ASSETS"))
            {
                ListListView.Items.Clear();

                ListListView.BeginUpdate();

                ProgressMax(report.CountKeys("ASSETS"));

                for (int x = 0; x < report.CountKeys("ASSETS"); x++)
                {
                    MOG_Filename mogAsset  = new MOG_Filename(report.GetKeyNameByIndexSLOW("ASSETS", x));
                    string       extraInfo = report.GetKeyByIndexSLOW("ASSETS", x);

                    MOG_Properties pProperties = new MOG_Properties(mogAsset);

                    string version        = mogAsset.GetVersionTimeStamp();
                    string currentVersion = MOG_DBAssetAPI.GetAssetVersion(mogAsset);                    //mCurrentInfo.GetString("ASSETS", mogAsset.GetAssetName());

                    MOG_Time assetTime        = new MOG_Time(version);
                    MOG_Time currentAssetTime = new MOG_Time(currentVersion);

                    ListViewItem item = new ListViewItem();

                    // We have support for the old lists as well as the new ones that have extra information stored.
                    if (string.Compare(extraInfo, "ReportList", true) != 0)
                    {
                        string [] extraItems = extraInfo.Split(",".ToCharArray());
                        foreach (string extra in extraItems)
                        {
                            if (item.Text.Length == 0)
                            {
                                item.Text = extra;
                            }
                            else
                            {
                                item.SubItems.Add(extra);
                            }
                        }

                        // Update the version
                        if (assetTime.Compare(currentAssetTime) != 0)
                        {
                            item.SubItems[FindColumn("Version")].Text      = currentAssetTime.FormatString("");
                            item.SubItems[FindColumn("Version")].ForeColor = Color.Red;
                        }
                    }
                    else
                    {
                        item = AddItemToListView(mogAsset, pProperties, MOG_ControllerRepository.GetAssetBlessedVersionPath(mogAsset, version).GetEncodedFilename());

                        // Get version
                        if (assetTime.Compare(currentAssetTime) != 0)                                                                                           // Version
                        {
                            item.SubItems[FindColumn("Version")].Text      = currentAssetTime.FormatString("");
                            item.SubItems[FindColumn("Version")].ForeColor = Color.Red;
                            version = currentVersion;
                        }
                        else
                        {
                            item.SubItems[FindColumn("Version")].Text = assetTime.FormatString("");
                        }
                    }

                    // Icon
                    item.ImageIndex = MogUtil_AssetIcons.GetAssetIconIndex(mogAsset.GetAssetFullName());

                    ListListView.Items.Add(item);

                    ProgressStep();
                }

                UpdateAssetTotals();
                ListListView.EndUpdate();
                ProgressReset();
            }
        }
コード例 #5
0
        public override void MakeAssetCurrent(MOG_Filename assetFilename)
        {
            // Call our parent's MakeAssetCurrent
            base.MakeAssetCurrent(assetFilename);

            // Make sure this assetFilename has the info we want
            if (assetFilename != null &&
                assetFilename.GetVersionTimeStamp().Length > 0)
            {
                TreeNode foundNode = FindNode(assetFilename.GetAssetFullName());
                if (foundNode != null)
                {
                    // Check if this node was previously marked as a deleted version?
                    if (foundNode.ForeColor == Archive_Color)
                    {
                        // Collapse this baby and let it get rebuilt the next time the user expands it because it needs to change it internal structure
                        foundNode.Collapse();
                        foundNode.Nodes.Clear();
                        foundNode.Nodes.Add(Blank_Node_Text);
                    }

                    // Reset the color
                    foundNode.ForeColor = Color.Black;

                    // Update this parent node with the new information concerning this asset
                    Mog_BaseTag assetTag = foundNode.Tag as Mog_BaseTag;
                    if (assetTag != null)
                    {
                        // Create a dateFormat just like that used in standard MS Windows USA regional date settings
                        string dateFormat = MOG_Tokens.GetMonth_1() + "/" + MOG_Tokens.GetDay_1() + "/" + MOG_Tokens.GetYear_4()
                                            + " " + MOG_Tokens.GetHour_1() + ":" + MOG_Tokens.GetMinute_2() + " " + MOG_Tokens.GetAMPM();

                        // Scan the children nodes looking for other places needing to be fixed up
                        foreach (TreeNode node in foundNode.Nodes)
                        {
                            // Make sure this is a valid node?
                            if (node != null)
                            {
                                // Checkif this is the 'All Revisions'?
                                if (node.Text == Revisions_Text)
                                {
                                    bool bFoundCurrentRevisionNode = false;

                                    // Fixup this list of revisions
                                    foreach (TreeNode revisionNode in node.Nodes)
                                    {
                                        Mog_BaseTag baseTag = revisionNode.Tag as Mog_BaseTag;
                                        if (baseTag != null)
                                        {
                                            MOG_Filename revisionFilename = new MOG_Filename(baseTag.FullFilename);
                                            if (revisionFilename.GetVersionTimeStamp() == assetFilename.GetVersionTimeStamp())
                                            {
                                                revisionNode.ForeColor    = CurrentVersion_Color;
                                                bFoundCurrentRevisionNode = true;
                                            }
                                            else
                                            {
                                                revisionNode.ForeColor = Color.Black;
                                            }
                                        }
                                    }

                                    // Check if we need to add our new revision node?
                                    if (!bFoundCurrentRevisionNode)
                                    {
                                        // Looks like this is a new revision and needs to be added
                                        // Hey Whipple - What do I do here?
                                        // It seems like this is already added by an earlier event so I suspect we will never hit this.
                                    }
                                }
                                else
                                {
                                    // Check if this is the 'Current <' node
                                    if (node.Text.StartsWith(Current_Text + " <"))
                                    {
                                        node.Text = Current_Text + " <" + assetFilename.GetVersionTimeStampString(dateFormat) + ">";
                                    }

                                    // Update it's tag
                                    Mog_BaseTag currentTag = node.Tag as Mog_BaseTag;
                                    if (currentTag != null)
                                    {
                                        assetTag.FullFilename = assetFilename.GetOriginalFilename();
                                    }

                                    // Finally collapse this baby and let it get rebuilt the next time the user expands it
                                    node.Collapse();
                                    node.Nodes.Clear();
                                    node.Nodes.Add(Blank_Node_Text);
                                }
                            }
                        }
                    }
                }
            }
        }
コード例 #6
0
        string ResolveToken(string token)
        {
            string value = "";

            // Make sure this token starts with the '{'?
            if (token.StartsWith("{"))
            {
                // Get the name of this token
                string[] parts = token.Split("{}.".ToCharArray(), 3);
                // Make sure this resembled a real token?
                if (parts.Length == 3)
                {
                    // Check for any contained commands?
                    string testToken = "{" + parts[1] + "}";
                    // Determine which token we have?
                    switch (testToken)
                    {
                    // Repository Tokens
                    case TOKEN_Repository_Path:
                        value = MOG_ControllerSystem.GetSystemRepositoryPath();
                        break;

                    case TOKEN_Repository_ProjectsPath:
                        value = MOG_ControllerSystem.GetSystemProjectsPath();
                        break;

                    case TOKEN_Repository_ToolsPath:
                        value = MOG_ControllerSystem.GetSystemRepositoryPath() + "\\Tools";
                        break;

                    case TOKEN_Repository_Project_Path:
                        value = MOG_ControllerProject.GetProjectPath();
                        break;

                    case TOKEN_Repository_Project_ToolsPath:
                        value = MOG_ControllerProject.GetProjectPath() + "\\Tools";
                        break;

                    case TOKEN_Repository_Project_AssetsPath:
                        value = MOG_ControllerRepository.GetRepositoryPath();
                        break;

                    case TOKEN_Repository_Project_ArchivePath:
                        value = MOG_ControllerRepository.GetArchivePath();
                        break;

                    case TOKEN_Repository_Project_UsersPath:
                        value = MOG_ControllerProject.GetProjectPath() + "\\Users";
                        break;

                    // Project Tokens
                    case TOKEN_Project_Name:
                        value = MOG_ControllerProject.GetProjectName();
                        break;

                    case TOKEN_Project_BranchName:
                        value = MOG_ControllerProject.GetBranchName();
                        break;

                    case TOKEN_Project_UserName:
                        value = MOG_ControllerProject.GetUserName_DefaultAdmin();
                        break;

                    case TOKEN_Project_PlatformName:
                        value = MOG_ControllerProject.GetPlatformName();
                        break;

                    case TOKEN_Project_WorkspaceDirectory:
                        value = MOG_ControllerProject.GetWorkspaceDirectory();
                        break;

                    // Ripper Tokens
                    case TOKEN_Ripper_SourcePath:
                        value = mRipperSourcePath;
                        break;

                    case TOKEN_Ripper_SourceFilePattern:
                        value = mRipperSourceFilePattern;
                        break;

                    case TOKEN_Ripper_DestinationPath:
                        value = mRipperDestinationPath;
                        break;

                    // Package Tokens
                    case TOKEN_Package_WorkspaceDirectory:
                        if (mPackageFileInfo != null)
                        {
                            value = mPackageFileInfo.mPackageWorkspaceDirectory;
                        }
                        break;

                    case TOKEN_Package_DataDirectory:
                        if (mPackageFileInfo != null)
                        {
                            value = mPackageFileInfo.mPackageDataDirectory;
                        }
                        break;

                    case TOKEN_Package_PackageFile_Filename:
                        if (mPackageFileInfo != null)
                        {
                            value = mPackageFileInfo.mPackageFile;
                        }
                        break;

                    case TOKEN_Package_PackageFile_FullName:
                    {
                        MOG_Filename packageFilename = (mPackageFileInfo != null) ? mPackageFileInfo.mPackageAssetFilename : new MOG_Filename(MOG_ControllerPackage.GetPackageName(mPackageAssignment));
                        value = packageFilename.GetAssetFullName();
                    }
                    break;

                    case TOKEN_Package_PackageFile_Classification:
                    {
                        MOG_Filename packageFilename = (mPackageFileInfo != null) ? mPackageFileInfo.mPackageAssetFilename : new MOG_Filename(MOG_ControllerPackage.GetPackageName(mPackageAssignment));
                        value = packageFilename.GetAssetClassification();
                    }
                    break;

                    case TOKEN_Package_PackageFile_Label:
                    {
                        MOG_Filename packageFilename = (mPackageFileInfo != null) ? mPackageFileInfo.mPackageAssetFilename : new MOG_Filename(MOG_ControllerPackage.GetPackageName(mPackageAssignment));
                        value = packageFilename.GetAssetLabel();
                    }
                    break;

                    case TOKEN_Package_PackageFile_Platform:
                    {
                        MOG_Filename packageFilename = (mPackageFileInfo != null) ? mPackageFileInfo.mPackageAssetFilename : new MOG_Filename(MOG_ControllerPackage.GetPackageName(mPackageAssignment));
                        value = packageFilename.GetAssetPlatform();
                    }
                    break;

                    case TOKEN_Package_PackageFile_Group:
                        value = MOG_ControllerPackage.GetPackageGroups(mPackageAssignment);
                        break;

                    case TOKEN_Package_PackageFile_Object:
                        value = MOG_ControllerPackage.GetPackageObjects(mPackageAssignment);
                        break;

                    // Inbox Tokens
                    case TOKEN_Inbox_UserName:
                        value = mAssetFilename.GetUserName();
                        break;

                    case TOKEN_Inbox_UserPath:
                        value = mAssetFilename.GetUserPath();
                        break;

                    case TOKEN_Inbox_BoxName:
                        value = mAssetFilename.GetBoxName();
                        break;

                    case TOKEN_Inbox_BoxPath:
                        value = mAssetFilename.GetBoxPath();
                        break;

                    // Asset Tokens
                    case TOKEN_Asset_AssetName_Path:
                        value = mAssetFilename.GetPath();
                        break;

                    case TOKEN_Asset_AssetName_FullName:
                        value = mAssetFilename.GetAssetFullName();
                        break;

                    case TOKEN_Asset_AssetName_Classification:
                        value = mAssetFilename.GetAssetClassification();
                        break;

                    case TOKEN_Asset_AssetName_Name:
                        value = mAssetFilename.GetAssetName();
                        break;

                    case TOKEN_Asset_AssetName_PlatformName:
                        value = mAssetFilename.GetAssetPlatform();
                        break;

                    case TOKEN_Asset_AssetName_Label:
                        value = mAssetFilename.GetAssetLabel();
                        break;

                    case TOKEN_Asset_ImportedFile:
                    case TOKEN_Asset_RippedFile:
                        value = ResolveToken_AssetFile(token);
                        break;

                    case TOKEN_Asset_Property:
                        value = ResolveToken_Property(token);
                        break;

                    case TOKEN_Asset_ClassificationPath:
                        value = MOG_Filename.GetClassificationPath(mAssetFilename.GetAssetClassification());
                        break;

                    case TOKEN_Asset_VersionTimeStamp:
                        value = mAssetFilename.GetVersionTimeStamp();
                        break;
                    }

                    // Check if we have a command?
                    if (parts[2] != ".")
                    {
                    }
                }
            }

            return(value);
        }
コード例 #7
0
        private ListViewItem CreateListViewItemForAsset(MOG_Filename asset)
        {
            ListViewItem item = null;

            // Only put the asset in the list if it is actually a library asset
            if (asset.IsLibrary())
            {
                // Make sure we have something valid in our Filename
                if (asset.GetAssetLabel().Length > 0)
                {
                    item = new ListViewItem(asset.GetAssetLabel());

                    // Get the source imported file
                    MOG_Filename repositoryAssetFilename = MOG_ControllerRepository.GetAssetBlessedVersionPath(asset, asset.GetVersionTimeStamp());
                    string       repositoryFile          = MOG_ControllerLibrary.ConstructBlessedFilenameFromAssetName(repositoryAssetFilename);
                    string       localFile = MOG_ControllerLibrary.ConstructLocalFilenameFromAssetName(repositoryAssetFilename);
                    string       extension = DosUtils.PathGetExtension(localFile);

                    // Populate the item
                    item.SubItems.Add(extension);                                   // Extension
                    item.SubItems.Add(asset.GetAssetClassification());              // Classification
                    item.SubItems.Add("");                                          // User
                    item.SubItems.Add("");                                          // Comment
                    item.SubItems.Add("");                                          // Local TimeStamp
                    item.SubItems.Add(asset.GetVersionTimeStampString(""));         // Server Timestamp
                    item.SubItems.Add("New");                                       // Status
                    item.SubItems.Add(asset.GetAssetFullName());                    // Fullname
                    item.SubItems.Add(localFile);                                   // LocalFile
                    item.SubItems.Add(repositoryFile);                              // RepositoryFile

                    // Update the item
                    UpdateItem(item);
                }
            }

            return(item);
        }
コード例 #8
0
        private void UpdateItem(ListViewItem item)
        {
            string status         = "";
            string username       = "";
            string comment        = "";
            string localTimestamp = "";

            // Find our desired columns
            int statusIdx          = FindColumn("Status");
            int userIdx            = FindColumn("User");
            int commentIdx         = FindColumn("Comment");
            int localTimestampIdx  = FindColumn("Local Timestamp");
            int serverTimestampIdx = FindColumn("Server Timestamp");
            int localFileIdx       = FindColumn("LocalFile");
            int repositoryFileIdx  = FindColumn("RepositoryFile");

            string       repositoryFile          = item.SubItems[repositoryFileIdx].Text;
            MOG_Filename repositoryAssetFilename = new MOG_Filename(repositoryFile);

            // Check if this file exist locally?
            string localFile = item.SubItems[localFileIdx].Text;

            if (localFile.Length != 0)
            {
                // Obtain the localFile info
                FileInfo fileInfo = new FileInfo(localFile);
                // Does this local file exist?
                if (fileInfo != null && fileInfo.Exists)
                {
                    // Compare our local file's timestamp to the server's revision
                    localTimestamp = MOG_Time.GetVersionTimestamp(fileInfo.LastWriteTime);
                    if (localTimestamp == repositoryAssetFilename.GetVersionTimeStamp())
                    {
                        // Indicate this item is synced and up-to-date
                        status = "Up-to-date";
                    }
                    else
                    {
                        // Indicate this item is synced
                        status = "Out-of-date";
                    }
                }
                else
                {
                    // Indicate this item is not synced
                    status = "unSynced";
                }
            }
            else
            {
                // Indicate this item is not synced
                status = "unSynced";
            }

            // Check if this file exists in the repository?
            if (repositoryFile.Length != 0)
            {
                // Check the lock statusIdx of the asset
                MOG_Command sourceLock = MOG_ControllerProject.PersistentLock_Query(repositoryAssetFilename.GetAssetFullName());
                if (sourceLock.IsCompleted() && sourceLock.GetCommand() != null)
                {
                    MOG_Command lockHolder = sourceLock.GetCommand();

                    // Obtain the lock info
                    item.ImageIndex = MogUtil_AssetIcons.GetLockedBinaryIcon(repositoryFile);
                    username        = lockHolder.GetUserName();
                    comment         = lockHolder.GetDescription();

                    // Check if this is locked by me?
                    if (username == MOG_ControllerProject.GetUserName())
                    {
                        status = "CheckedOut";
                    }
                    else
                    {
                        status = "Locked";
                    }
                }
                else
                {
                    // Update this file's icon
                    item.ImageIndex = MogUtil_AssetIcons.GetFileIconIndex(repositoryFile);
                }
            }

            // Update the item with the new information
            item.SubItems[statusIdx].Text          = status;
            item.SubItems[userIdx].Text            = username;
            item.SubItems[commentIdx].Text         = comment;
            item.SubItems[localTimestampIdx].Text  = MogUtils_StringVersion.VersionToString(localTimestamp);
            item.SubItems[serverTimestampIdx].Text = MogUtils_StringVersion.VersionToString(repositoryAssetFilename.GetVersionTimeStamp());

            // Update the color for this locked item
            UpdateListViewItemColors(item, status);
        }
コード例 #9
0
ファイル: guiAssetTree.cs プロジェクト: MOGwareSupport/MOG
        static protected void assetTreeViewCreate_AddVersionNodes(TreeView tree, TreeNode parent, int defaultIndex)
        {
            // Add version nodes
            TreeNode versionRoot = new TreeNode(VERSION_TOKEN, defaultIndex, 0);

            versionRoot.Tag = parent.Tag;
            parent.Nodes.Clear();

            // Date format string
            string dateFormat = MOG_Tokens.GetMonth_1() + "/" + MOG_Tokens.GetDay_1() + "/" + MOG_Tokens.GetYear_4()
                                + " " + MOG_Tokens.GetHour_1() + ":" + MOG_Tokens.GetMinute_2() + " " + MOG_Tokens.GetAMPM();

            // Create a tag for ease of use
            guiAssetTreeTag parentTag = (guiAssetTreeTag)parent.Tag;

            // Get the lastest version string
            string versionStr = MOG_DBAssetAPI.GetAssetVersion(new MOG_Filename(parentTag.FullFilename));

            // Populate HDD versions
            DirectoryInfo[] hddVersions = DosUtils.DirectoryGetList(parentTag.FullFilename, "");
            // Arrange it latest date first
            Array.Reverse(hddVersions);

            // Populate DB versions
            ArrayList dbVersions = MOG_DBAssetAPI.GetAllAssetRevisions(new MOG_Filename(parentTag.FullFilename));

            // Turn off sorting for this part of the tree
            tree.Sorted = false;
            foreach (DirectoryInfo version in hddVersions)
            {
                // Create a new versionNode
                MOG_Filename versionFile = new MOG_Filename(version.FullName);
                string       textLabel   = "<" + versionFile.GetVersionTimeStampString(dateFormat) + ">";
                TreeNode     versionNode = new TreeNode(textLabel, defaultIndex, 0);
                // Add guiAssetTreeTag and change color to indicate HDD-only status
                versionNode.Tag = new guiAssetTreeTag(version.FullName,
                                                      guiAssetTreeTag.TREE_FOCUS.VERSION, true);

                // If this is a version matched in the DB, color is black
                if (assetTreeViewCreate_IsAssetVersionInDB(dbVersions, version.Name))
                {
                    versionNode.ForeColor = Color.Black;
                }
                // Else, turn color gray
                else
                {
                    versionNode.ForeColor = Color.DarkGray;
                }

//glk:  This still needs to be tested against the case where there is no directory that matches the verion in versionStr

                // If this is the most recent asset, display it as such
                if (versionStr == versionFile.GetVersionTimeStamp())
                {
                    versionNode.ForeColor = Color.Blue;
                    // Create a currentVersion node, manually cloning versionNode
                    //  glk: object.Clone() does not function properly
                    TreeNode currentVersion = new TreeNode(textLabel,
                                                           versionNode.ImageIndex, versionNode.SelectedImageIndex);
                    currentVersion.ForeColor = Color.Blue;
                    currentVersion.Tag       = new guiAssetTreeTag(version.FullName,
                                                                   guiAssetTreeTag.TREE_FOCUS.VERSION, true);

                    // Keep tree from drawing itself for a bit
                    tree.BeginUpdate();

                    // Document the horizontal and vertical
                    //  positions of tree's scrollbar using extern functions
                    int horizPos = GetHScrollPosition(tree);
                    int vertPos  = GetVScrollPosition(tree);

                    // Expand the tree: This is the operation which causes
                    //  really erratic behavior from TreeView Control
                    currentVersion.Expand();

                    // Add ghost node for further expansion
                    currentVersion.Nodes.Add(new TreeNode(""));
                    parent.Nodes.Add(currentVersion);

                    // Set the scrollbar horizontal and vertical positions
                    //  back to what they were.
                    SetHScrollPosition(tree, horizPos);
                    SetVScrollPosition(tree, vertPos);

                    // Allow tree to draw itself
                    tree.EndUpdate();
                }
                // Add new placeholder for further expansion
                versionNode.Nodes.Add(new TreeNode(""));
                versionRoot.Nodes.Add(versionNode);
            }
            parent.Nodes.Add(versionRoot);
            // Turn sorting back on
            tree.Sorted = true;
        }