We want to connect the people who have knowledge to the people who need it, to bring together people with different perspectives so they can understand each other better, and to empower everyone to share their knowledge.
string OldText = string.Empty; private void textBox1_GotFocus(object sender, EventArgs e) { OldText = textBox1.Text; } private void textBox1_TextChanged(object sender, EventArgs e) { string newText = textBox1.Text; //Compare OldText and newText here }
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