wpf中遍歷界面控件的方法


  /// <summary>
        /// 遍歷界面中的所有控件
        /// </summary>
        /// <param name="uiControls"></param>
        private void SetNotEditable(UIElementCollection uiControls)
        {
            foreach (UIElement element in uiControls)
            {
                if (element is TextBox)
                {
                    (element as TextBox).IsEnabled = false;
                }
                else if (element is ListBox)
                {
                    if ((element as ListBox).Items.Count > 0)
                    {
                        (element as ListBox).ScrollIntoView((element as ListBox).Items[(element as ListBox).Items.Count - 1]);
                    }
                }
                else if (element is Grid)
                {
                    this.SetNotEditable((element as Grid).Children);
                }
                else if (element is Expander)
                {
                    if ((element as Expander).Content is StackPanel)
                    {
                        StackPanel sa = (element as Expander).Content as StackPanel;
                        this.SetNotEditable(sa.Children);
                    }
                    else if ((element as Expander).Content is Grid)
                    {
                        Grid sa = (element as Expander).Content as Grid;
                        this.SetNotEditable(sa.Children);
                    }
                }
                else if (element is StackPanel)
                {
                    this.SetNotEditable((element as StackPanel).Children);
                }
                else if (element is ScrollViewer)
                {
                    StackPanel sp = (element as ScrollViewer).Content as StackPanel;
                    this.SetNotEditable(sp.Children);

                    //ScrollViewer不具有Children屬性,無法對其進行遍歷,但是具有Content屬性,作為容器型控件,一般都可以通過這樣的方法來解決。
                }
                else if (element is TabControl)
                {
                    SetTabControl(element as TabControl);
                }
            }
        }


        //遍歷TabControl TabControl下面可能還會有grid 這時還需要調用上面的方法
        private void SetTabControl(TabControl uiControls)
        {
            //遍歷TabControl
            var temp = uiControls.Items;
            //var temp = this.tabControl1.Items;
            foreach (TabItem item in temp)
            {
                if (item.Content is Button)
                {
                    //MessageBox.Show((item.Content as Button).Content.ToString());
                }
                else if (item.Content is TextBox)
                {
                    (item.Content as TextBox).IsEnabled = false;
                }
                else if (item.Content is ComboBox)
                {
                    (item.Content as ComboBox).IsEnabled = false;
                }
                else if (item.Content is Grid)
                {
                    //若TabControl中嵌套grid
                    this.SetNotEditable((item.Content as Grid).Children);
                }
            }
        }

 

 

//方法調用

 SetNotEditable(mygrid.Children);


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