C#

<font color="blue">Private</font> void richTextBox1_MouseMove(<font color="blue">Object</font> sender,System.Windows.Forms.MouseEventArgs e)
        {
            <font color="blue">Try</font>
            {
                <font color="blue">Char</font> c=new <font color="blue">Char</font>();
                System.Drawing.Point p=new System.Drawing.Point();
                p.X=e.X;<font color="#006400">//current x of cursor In rtf box</font>
                p.Y=e.Y;<font color="#006400">//current y.</font>
                c=richTextBox1.GetCharFromPosition(p);
                this.Text=(Convert.ToString(c));<font color="#006400">//retrieve the character at the current cursor position.</font>
            }
            <font color="blue">Catch</font>
            {
                System.Exception f=new System.Exception();<font color="#006400">//just incase you Try When there</font><font color="darkgreen">'s no text in the richtextbox</font>
                MessageBox.Show(f.Message.ToString());
            }
        }

<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>;
    }
    }

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