Private void btnLock_Click(object sender, EventArgs e) TextBox1.Text = folderBrowserDialog1.SelectedPath If (folderBrowserDialog1.ShowDialog() = DialogResult.OK) Private void btnBrowse_Click(object sender, EventArgs e) You can download Master File Locker here.The Following code will help to lock and unlock the folder. You need to set the password to protect a file with a password when you install it on your PC.

This app locks/unlocks and hides your files, photos, videos, documents, notes, audio and video recordings in Windows 11/10. Master File Locker is another free tool specially designed for Windows 11/10 and can be downloaded from the Microsoft Store. You can download the software from its official site. It is compatible with Windows XP/Vista/7. Enter your password and choose the folder you want to open to unlock a folder. You can set a master password, select the folders you want to hide and click the button Hidebutton to make them disappear. It allows you to hide and lock any folder on your computer, making them invisible and inaccessible to anyone other than yourself. Lock-A-Folder is a lightweight and easy to use program that is available now. You can download the HiddenDIR from its official site website. Hidden folders will be visible only to those with access to the program that you can save to any directory or USB drive.

It makes the folder invisible to anyone who has access to your PC. It is a small but effective tool to protect your privacy. HiddenDIR is another free tool to protect your essential folders on Windows 11/10/8/7 machines. You can download the latest version of this software from here.

File folder locker