wpf中遍历界面控件的方法

太过爱你忘了你带给我的痛 2024-03-27 11:10 75阅读 0赞

摘要：//遍历界面中的所有控件//privatevoidSetNotEditable(UIElementCollectionuiControls)\{foreach(UIElementelementinuiControls)\{if(elementisTextBox)\{(elementasT<< 收起  
///  
/// 遍历界面中的所有控件  
///  
///  
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属性，无法对其进行遍历，但是具有Content属性，作为容器型控件，一般都可以通过这样的方法来解决。  
\}  
else if (element is TabControl)  
\{  
SetTabControl(element as TabControl);  
\}  
\}  
\}  
//遍历TabControl TabControl下面可能还会有grid 这时还需要调用上面的方法  
private void SetTabControl(TabControl uiControls)  
\{  
//遍历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);  
\}  
\}  
\}

//方法调用

SetNotEditable(mygrid.Children);