Use a value from a textbox in another class [duplicate]

Question

Okay, so I have a text box in my program where a user can enter a value, however I am wanting to call this value in another class.

 public static void Main() { string sourceDirectory = @"F:\RootFolder\testingfolder\Test"; string targetDirectory = @"c:\targetDirectory"; //this is where the value would site Copy(sourceDirectory, targetDirectory); }

Not 100% sure on how to call this. Edit After some much needed research I have found the below to work for me;

 private void CopyInstallFiles(object sender, EventArgs e) { string sourceDirectory = @"F:somepath"; string targetDirectory = directoryImput.Text; //Copy all the files & Replaces any files with the same name foreach (string newPath in System.IO.Directory.GetFiles(sourceDirectory, "*.*", SearchOption.AllDirectories)) File.Copy(newPath, newPath.Replace(sourceDirectory, targetDirectory), true);

Yeah, I was using the above post as before this I was just moving files, however I am now in need of moving full folders. — Tom
– Tom, Commented Apr 25, 2017 at 11:19
what do you mean? You have another class and you want to execute method from that class? And that method takes parameter that user enters in textbox? — Nino
– Nino, Commented Apr 25, 2017 at 11:19
So, I have a form from1 and this has a text box where a user enter a vaule the text boxt is called Directoryinput. What I want to do is in a class call the value that is within Directoryinput as the targetdirectory. — Tom
– Tom, Commented Apr 25, 2017 at 11:21
Why do you write your application logic in main itself? A better approach would be moving the copy logic to a new method or helper function. — Randi Ratnayake
– Randi Ratnayake, Commented Apr 25, 2017 at 11:22

Hekkaryk · Accepted Answer · 2017-04-25 12:35:40Z

I just realized that you are looking for a method to move all files and folders - silly me. Here, have some example from https://msdn.microsoft.com/en-us/library/bb762914.aspx :

using System; using System.IO; class DirectoryCopyExample { static void Main() { // Copy from the current directory, include subdirectories. DirectoryCopy(".", @".\temp", true); } private static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs) { // Get the subdirectories for the specified directory. DirectoryInfo dir = new DirectoryInfo(sourceDirName); if (!dir.Exists) { throw new DirectoryNotFoundException( "Source directory does not exist or could not be found: " + sourceDirName); } DirectoryInfo[] dirs = dir.GetDirectories(); // If the destination directory doesn't exist, create it. if (!Directory.Exists(destDirName)) { Directory.CreateDirectory(destDirName); } // Get the files in the directory and copy them to the new location. FileInfo[] files = dir.GetFiles(); foreach (FileInfo file in files) { string temppath = Path.Combine(destDirName, file.Name); file.CopyTo(temppath, false); } // If copying subdirectories, copy them and their contents to new location. if (copySubDirs) { foreach (DirectoryInfo subdir in dirs) { string temppath = Path.Combine(destDirName, subdir.Name); DirectoryCopy(subdir.FullName, temppath, copySubDirs); } } } }

Short version - place it in DirectoryManager.cs and call by DirectoryManager.CopyDirectory(source, destination):

using System.IO; class DirectoryManager { internal static void CopyDirectory(string input, string output) { DirectoryInfo dir = new DirectoryInfo(input); if (dir.Exists) { DirectoryInfo[] dirs = dir.GetDirectories(); Directory.CreateDirectory(output); FileInfo[] files = dir.GetFiles(); foreach (FileInfo file in files) { string temppath = Path.Combine(output, file.Name); file.CopyTo(temppath, false); } foreach (DirectoryInfo subdir in dirs) { string temppath = Path.Combine(output, subdir.Name); CopyDirectory(subdir.FullName, temppath); } } } }

thank you for that, I am still a little confused though haha. I am not sure how I would call the value that is entered in my text box.
I thought it might be like; System.IO.Directory.Move(sourceDirectory, targetDirectory);
System.IO.Directory.Move moves directory (files in sourceDirectory will vanish). The MSDN example is very good - but since it looks like you would prefer less clutter I'll edit my answer.

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