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if (isSource) { GetSubDirectoryNodes(ndRoot, ndRoot.Text, true, 1); } else { GetSubDirectoryNodes(ndRoot, ndRoot.Text, false, 1); } } // The catch block does nothing in this example, but you // could add custom exception code here. catch { } Application.DoEvents( ); } } // Gets all the subdirectories below the directory node // that was passed in, and adds them to the directory tree. // The parameters passed in are the parent node // for this subdirectory, // the full pathname of this subdirectory, // and a Boolean to indicate // whether or not to get the files in the subdirectory. private void GetSubDirectoryNodes(TreeNode parentNode, string fullName, bool getFileNames, int level) { DirectoryInfo dir = new DirectoryInfo(fullName); DirectoryInfo[] dirSubs = dir.GetDirectories( ); // add a child node for each subdirectory foreach (DirectoryInfo dirSub in dirSubs) { // Skip hidden folders if ((dirSub.Attributes & FileAttributes.Hidden) != 0) { continue; } // Create a new node and add it to the tree TreeNode subNode = new TreeNode(dirSub.Name); parentNode.Nodes.Add(subNode); // If this is the first level of recursion, // call the method again recursively. if (level < MaxLevel) { GetSubDirectoryNodes(subNode, dirSub.FullName, getFileNames, level + 1); } }
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if (getFileNames) { // Get any files for this node. FileInfo[] files = dir.GetFiles( ); // Create a node for each file, if any foreach (FileInfo file in files) { TreeNode fileNode = new TreeNode(file.Name); parentNode.Nodes.Add(fileNode); } } }
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private void Form1_Load(object sender, EventArgs e) { } private void tvwSource_AfterCheck(object sender, TreeViewEventArgs e) { SetCheck(e.Node, e.Node.Checked); } // Recursively checks all subdirectories // when the parent directory is checked private void SetCheck(TreeNode node, bool check) { foreach (TreeNode n in node.Nodes) { n.Checked = check; // check the node if (n.Nodes.Count != 0) { SetCheck(n, check); } } } private void tvwSource_BeforeExpand(object sender, TreeViewCancelEventArgs e) { tvwExpand(sender, e.Node); } private void tvwTargetDir_BeforeExpand(object sender, TreeViewCancelEventArgs e) { tvwExpand(sender, e.Node); } // recursively gets the subdirectories // when a directory is expanded
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private void tvwExpand(object sender, TreeNode currentNode) { TreeView tvw = (TreeView)sender; bool getFiles = (tvw == tvwSource); string fullName = currentNode.FullPath; currentNode.Nodes.Clear( ); GetSubDirectoryNodes(currentNode, fullName, getFiles, 1); } private void tvwTargetDir_AfterSelect(object sender, TreeViewEventArgs e) { // get the full path for the selected directory string theFullPath = e.Node.FullPath; // if it is not a leaf, it will end with a backslash // remove the backslash if (theFullPath.EndsWith("\\")) { theFullPath = theFullPath.Substring(0, theFullPath.Length - 1); } // insert the path in the text box txtTargetDir.Text = theFullPath; } private void btnClear_Click(object sender, EventArgs e) { // clears all the checked directories // in the source TreeView foreach (TreeNode node in tvwSource.Nodes) { SetCheck(node, false); } } private void btnCopy_Click(object sender, EventArgs e) { // get the sorted list of files List<FileInfo> fileList = GetFileList( ); // copy the files foreach (FileInfo file in fileList) { try { lblStatus.Text = "Copying " + txtTargetDir.Text + "\\" + file.Name + "..."; Application.DoEvents( ); // copy the file to its destination location
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file.CopyTo(txtTargetDir.Text + "\\" + file.Name, chkOverwrite.Checked); } catch (Exception ex) { MessageBox.Show(ex.Message); } } lblStatus.Text = "Done."; } private List<FileInfo> GetFileList( ) { // create an unsorted array list of the full filenames List<string> fileNames = new List<string>( ); foreach (TreeNode theNode in tvwSource.Nodes) { GetCheckedFiles(theNode, fileNames); } // Create a list to hold the FileInfo objects List<FileInfo> fileList = new List<FileInfo>( ); // for each of the filenames in the unsorted list // if the name corresponds to a file (and not a directory), // add it to the file list foreach (string fileName in fileNames) { // create a file with the name FileInfo file = new FileInfo(fileName); // see if the file exists on the disk // this fails if it is a directory if (file.Exists) { fileList.Add(file); } } // Create an instance of the IComparer interface IComparer<FileInfo> comparer = (IComparer<FileInfo>)new FileComparer( ); // pass the comparer to the sort method so that the list // is sorted by the compare method of comparer. fileList.Sort(comparer); return fileList; } private void GetCheckedFiles(TreeNode node, List<string> fileNames) { // if this is a leaf...
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