private void qihaoxunlian_Selected(object sender, RoutedEventArgs e)
{
root.Children.Clear();
if (qihao == null)
{
qihao = new Qihao();
}
root.Children.Add(qihao);
}
/// <summary>
/// 绘制tabitem，一次性渲染所有模块，会有性能损失，后期如有需要，将进行使用时渲染
/// </summary>
/// <param name="drawingContext"></param>
protected override void OnRender(DrawingContext drawingContext)
{
if (isFirstRender)
{
Dengguang dg = new Dengguang();
Shouqi sq = new Shouqi();
Qihao qh = new Qihao();
Lilun ll = new Lilun();
Morse morse = new Morse();
tabItem_kaohe.Content = morse;
isFirstRender = false;
}
base.OnRender(drawingContext);
}