How to browse for folder

Question

I want to design a program contain browse button, where we can browse to the selected folder and open the file inside the folder.

I need a reference and reading wher

Answer 1

            string folderpath = "";
            FolderBrowserDialog fbd = new FolderBrowserDialog();

            fbd.ShowNewFolderButton = false;
            fbd.RootFolder = System.Environment.SpecialFolder.MyComputer;
            DialogResult dr = fbd.ShowDialog();

            if (dr == DialogResult.OK)
            {
                folderpath = fbd.SelectedPath;
            }

            if (folderpath != "")
            {
                txtBoxPath.Text = folderpath; 
            }