Question

How to detect when text in a TextBox has changed with WinForms in C#

Answer 1

namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            MessageBox.Show("textBox1_TextChanged");
        }
    }
}




/*
run:
 

  
*/

 

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