weixin_39964899的博客Window.ShowDialog() 返回值为bool?。...解决方法:ShowDialog()的注释为:// Returns:// A System.Nullable value of type System.Boolean that specifies whether// the activity was accepted (true) or c...
猿儿本无心的博客 /// 在可视化树中搜索特定类型的元素。 /// /// 元素类型 /// 父元素. /// <returns></returns> private T FindVisualChild(Visual visual) where T : Visual { for (int i = 0; i (visual); i++) { ...