08: copying files and folders; 08: copying folders

08: copying files and folders; 08: copying folders

Private void btnSave_Click (object sender, EventArgs e) // file copy and save method {# region static copy file (write dead) string desPath = @ "c: \ 1 \ 1.chm "; if (File. exists (desPath) {// the target file already Exists if (MessageBox. show ("file already exists, overwrite"), "Ask", MessageBoxButtons. yesNo, MessageBoxIcon. question) = DialogResult. yes) // select Yes to overwrite {// copy the File. copy (@ "c: \ ls \ w3.chm", desPath, true); MessageBox. show ("Overwrite succeeded") ;}} else // the File does not exist {// Start copying File. copy (@ "c: \ Ls \ w3.chm ", desPath, true); MessageBox. show ("Copied successfully");} // The displayed dialog box. The returned value is of the dialogResult type. If it is OK, the user clicks "open, otherwise, to cancel openFileDialog1.InitialDirectory = (@ "c: \ 1"); // select the default file location // fileter in openfilediaglog1.filter is the role of the filter // showdialog () display the dialog box. openFileDialog1.Filter = "executable program | *. exe | TXT text | *. txt | image file | *. jpg | all files | *. * "; // save type if (openFileDialog1.ShowDialog () = DialogResult. OK) // click open {if (saveFileDialog1.ShowDialo G () = DialogResult. OK) // yes indicates that {File is saved. copy (openFileDialog1.FileName, saveFileDialog1.FileName, true); MessageBox. show ("saved") ;}# endregion} // File class is for File operations, including copying, saving, creation time, modification time, and so on. // The Directory function is similar to file # region dynamic private void btnCopyContents_Click (object sender, EventArgs e) {string oldDir, newDir; // The original folder and target folder FolderBrowserDialog sourceFolder = new FolderBrowserDialog (); // The folderbrowserdialog control is dynamically generated and does not need to be dragged to the control sourceFolder. description = "select the folder to copy"; // a simple Description of if (sourceFolder. showDialog () = DialogResult. OK) // click OK {oldDir = sourceFolder. selectedPath; sourceFolder. descriptio N = "select the folder to be copied"; // modify the description text of sourcefolder to make it easier for users to use if (sourceFolder. showDialog () = DialogResult. OK) // if you are sure, execute the code block {newDir = sourceFolder. selectedPath; // obtain all the files in the folder to be copied (note! Does not contain lower-level folders and their files) string [] files = Directory. getFiles (oldDir); // defines an array of characters to receive the File foreach (string filepath in files) to be copied in the source File. // You can also use the for statement {// File. copy (filepath, newDir + "\" + filepath. substring (filepath. lastIndexOf ("\") + 1), true); // split the file to a more concise string nFileName; // define a string type to obtain the file name nFileName = filepath. substring (filepath. lastIndexOf ("\") + 1); // obtain the File name in the folder to be copied. copy (filepath, newDir + "\" + nFileName, true); // finally obtain the folder to be copied and the file name in the folder to be copied} // MessageBox. show ("copied");} // MessageBox. show (sourceFolder. selectedPath) ;}# endregion