private void SC_TextBox_TextChanged(object sender, EventArgs e)
 {
     try
     {
         if (SC_TextBox.Focused)
         {
             SC_TextBox.Text           = ChineseStringUtility.ToSimplified(SC_TextBox.Text);
             SC_TextBox.SelectionStart = SC_TextBox.Text.Length;
             TC_TextBox.Text           = ChineseStringUtility.ToTraditional(SC_TextBox.Text);
         }
     }
     catch
     {
         TC_TextBox.Text = @"ERROR!";
     }
 }
        private void Form1_Load(object sender, EventArgs e)
        {
            Icon = Resources.SC_TC;
            ChangeSize();
            const string testString = @"abc123书樂鬱う반~√™";

            try
            {
                SC_TextBox.Text = ChineseStringUtility.ToSimplified(testString);
                TC_TextBox.Text = ChineseStringUtility.ToTraditional(SC_TextBox.Text);
            }
            catch
            {
                // ignored
            }
        }