private void panelButton_MouseDown(object sender, MouseEventArgs e)
{
XCore.ChoiceRelatedClass choice = (XCore.ChoiceRelatedClass) this.Tag;
UIItemDisplayProperties display = choice.GetDisplayProperties();
this.Style.BackColor1.ColorSchemePart = DevComponents.DotNetBar.eColorSchemePart.ItemPressedBackground;
this.Style.BackColor2.ColorSchemePart = DevComponents.DotNetBar.eColorSchemePart.ItemPressedBackground2;
this.Refresh();
}