protected virtual void RaisePostBackEvent (string eventArgument)
{
ValidateEvent (UniqueID, String.Empty);
if (CausesValidation) {
Page page = Page;
if (page != null)
page.Validate (ValidationGroup);
}
OnClick (new ImageClickEventArgs (pos_x, pos_y));
OnCommand (new CommandEventArgs (CommandName, CommandArgument));
}