C#

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private void buttNew_Click(object sender, System.EventArgs e)
{
  frmCreateProblemReport cpr = new frmCreateProblemReport(this.conns);
  if (cpr.ShowDialog() == DialogResult.OK)
    PopulateComboBox();
}

cmbPRNumber.Items.Clear()

<font color="blue">Private</font> void button4_Click(<font color="blue">Object</font> sender, System.EventArgs e)
        {
            richTextBox1.SelectionStart=richTextBox1.Text.Length;
            richTextBox1.SelectionColor=Color.Blue;
            richTextBox1.SelectionFont=new Font("Tahoma",10,FontStyle.Bold);
            richTextBox1.SelectedText="testing blue bold\n";
            <font color="DarkGreen">// now lets change from bold blue to normal red.</font>
            richTextBox1.SelectionStart=richTextBox1.Text.Length;
            richTextBox1.SelectionColor=Color.Red;
            richTextBox1.SelectionFont=new Font("Verdana",10,FontStyle.Regular);
            richTextBox1.SelectedText="now testing in red\n";
            
        }

<font color="blue">Private void</font> ExpectingTwins(<font color="blue">string</font> twins)
    {    
    <font color="blue">switch</font>(twins)
    {
    <font color="blue">Case</font> ("twins on the way"):
        MessageBox.Show("for mr and mrs dynamic","twins on the way");
    <font color="blue">break</font>;
    }
    }