The TextBox control saves the last input

This article is to refer to C ා how to let WinForm program input text box to retain the last input, again thank you
Write it again here, in order to save it, so that you can find it quickly next time
1. Setting the configuration file for the txtbox control

2、
Select text to create a new one

3. Enter the custom name and select user

5、
Sadname is the name defined in the previous step

private Settings settings = new Settings();
  private void Form1_Load(object sender, EventArgs e)
        {
        	 txtBox1.Text = settings.sdaname;
        }
 private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
           settings.sdaname  = txtBox1.Tex;
            settings.Save();
        }

6. If there are multiple txtbox controls in the project, each control needs to set a configuration file, and the configuration file name of each control cannot be the same