C# (CSharp) UitlityClass.AppendPlusMinusOperator Exemples

Exemple #1

 // +/- operator button
 private void button23_Click(object sender, EventArgs e)
 {
     try
     {
         ValidatorClass.ValidateEntryReturn(textBox1.Text);
         textBox1.Text = UitlityClass.AppendPlusMinusOperator(textBox1.Text);
     }
     catch (Exception)
     {
         MessageBox.Show("Invalid Operation");
     }
 }