This example shows how to select a file using the OpenFileDialog dialog box. OpenFileDialog allows users to select files. It is found in System.Windows.Forms namespace and it displays the standard Windows dialog box.

Usage:

            OpenFileDialog openDialog = new OpenFileDialog();
            openDialog.Title = "Select A File";
            openDialog.Filter = "Text Files (*.txt)|*.txt" + "|" + 
                                "Image Files (*.png;*.jpg)|*.png;*.jpg" + "|" +
                                "All Files (*.*)|*.*";
            if (openDialog.ShowDialog() == DialogResult.OK)
            {
                string file = openDialog.FileName;
            }