/// <summary>
        /// Clicking "Load"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void loadToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.InitialDirectory = BaseFolder;
            openFileDialog1.FileName         = string.Empty;
            DialogResult result = openFileDialog1.ShowDialog();

            if (result == DialogResult.OK)
            {
                if (Data.Load(openFileDialog1.FileName))
                {
                    if (alternateContent != null)
                    {
                        alternateContent.Init(Data);
                        alternateContent.RefreshValues();
                        PrefChanged(PrefPropertyGrid, new PropertyChangedEventArgs("All"));
                    }
                    else
                    {
                        PrefPropertyGrid.Refresh();
                        PrefChanged(PrefPropertyGrid, new PropertyChangedEventArgs("All"));
                    }
                }
                else
                {
                    TKMessageBox.ShowError("Can't load selected Preference !", "Preference error");
                }
            }
        }
 /// <summary>
 /// Clicking "Defaults"
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void revertToDefaultsToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (Data.Load(BaseFolder + "\\Default.xml"))
     {
         if (alternateContent != null)
         {
             alternateContent.RefreshValues();
             PrefChanged(alternateContent, new PropertyChangedEventArgs("All"));
         }
         else
         {
             PrefPropertyGrid.Refresh();
             PrefChanged(PrefPropertyGrid, new PropertyChangedEventArgs("All"));
         }
     }
     else
     {
         MessageBox.Show("Can't load Default Preference !", "Preference error");
     }
 }