稳扎稳打Silverlight(46) - 4.0UI之FlowDirection,TextTrimming,响应鼠标滚轮事件,响应鼠标右键事件,全屏的新特性
作者： webabcd
介绍
Silverlight 4.0 用户界面（UI）相关：
FlowDirection - 指定文本或界面元素在它们的父元素中的流动方向 TextTrimming - 文字溢出时的显示方式 响应鼠标的滚轮事件 响应鼠标的右键事件 全屏的新特性 - 当其他程序获得焦点时，是否退出全屏模式
在线DEMO
http://www.cnblogs.com/webabcd/archive/2010/08/09/1795417.html
示例
1、演示 FlowDirection 的效果
FlowDirectionDemo.xaml
代码 < navigation:Page x:Class ="Silverlight40.UI.FlowDirectionDemo"
xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d ="http://schemas.microsoft.com/Expression/blend/2008"
xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:navigation ="clr-namespace:System.windows.Controls;assembly=System.windows.Controls.Navigation"
Title ="FlowDirectionDemo Page" >
< StackPanel WIDth ="200" HorizontalAlignment ="left" >
<!--
FrameworkElement.FlowDirection - 指定文本或界面元素在它们的父元素中的流动方向 [System.windows.FlowDirection 枚举]
FlowDirection.leftToRight - 内容从左到右流动（默认值）
FlowDirection.RightToleft - 内容从右到左流动
-->
< StackPanel OrIEntation ="Horizontal" FlowDirection ="RightToleft" >
< TextBlock Text ="1" />
< TextBlock Text ="2" />
< TextBlock Text ="3" />
</ StackPanel >
</ StackPanel >
</ navigation:Page >
2、演示 TextTrimming 的效果
TextTrimming.xaml
代码 < navigation:Page x:Class ="Silverlight40.UI.TextTrimming"
xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d ="http://schemas.microsoft.com/Expression/blend/2008"
xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:navigation ="clr-namespace:System.windows.Controls;assembly=System.windows.Controls.Navigation"
Title ="TextTrimming Page" >
< GrID x:name ="LayoutRoot" >
< StackPanel HorizontalAlignment ="left" >
<!--
TextBlock.TextTrimming - 文字溢出时的显示方式 [System.windows.TextTrimming 枚举]
TextTrimming.None - 不做任何处理
TextTrimming.WordEllipsis - 在边界处，用省略号代替剩余文本
-->
< TextBlock Text ="abcdefghijklmnopqrstuvwxyz" tooltipService.tooltip ="abcdefghijklmnopqrstuvwxyz" WIDth ="100" TextTrimming ="None" />
< TextBlock Text ="abcdefghijklmnopqrstuvwxyz" tooltipService.tooltip ="abcdefghijklmnopqrstuvwxyz" WIDth ="100" TextTrimming ="WordEllipsis" />
</ StackPanel >
</ GrID >
</ navigation:Page >
3、演示如何响应鼠标滚轮事件
MouseWheel.xaml 代码 < navigation:Page x:Class ="Silverlight40.UI.MouseWheel"
xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d ="http://schemas.microsoft.com/Expression/blend/2008"
xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:navigation ="clr-namespace:System.windows.Controls;assembly=System.windows.Controls.Navigation"
xmlns:sdk ="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"
Title ="MouseWheel Page" >
< GrID x:name ="LayoutRoot" >
< StackPanel HorizontalAlignment ="left" OrIEntation ="Horizontal" >
<!--
在 Silverlight 4.0 中像 ListBox, DataGrID, ComboBox 这类的控件，如果出现了垂直滚动条的话，则可以通过滚动鼠标滚轮的方法来控制该滚动条
-->
< ListBox name ="ListBox" VerticalAlignment ="top" WIDth ="100" Height ="200" >
< ListBox.ItemTemplate >
< DataTemplate >
< StackPanel OrIEntation ="Horizontal" >
< TextBlock Text =" {Binding} " margin ="1" />
</ StackPanel >
</ DataTemplate >
</ ListBox.ItemTemplate >
</ ListBox >
< sdk:DataGrID name ="dataGrID" VerticalAlignment ="top" WIDth ="100" Height ="200" IsReadonly ="True" autoGenerateColumns ="True" />
< ComboBox name ="comboBox" VerticalAlignment ="top" WIDth ="100" Height ="20" MaxDropDownHeight ="200" />
<!--
用于演示如何响应鼠标的滚轮事件
-->
< StackPanel >
< TextBlock name ="lblMsg" VerticalAlignment ="top" />
< GrID name ="grID" WIDth ="100" Height ="100" >
< Rectangle Fill ="Yellow" />
< TextBlock Text ="Mouse wheel me" />
</ GrID >
</ StackPanel >
</ StackPanel >
</ GrID >
</ navigation:Page >
MouseWheel.xaml.cs 代码 /*
* 本例演示如何响应鼠标滚轮事件
* UIElement.MouseWheel - 鼠标滚轮滚动时所触发的事件
* MouseWheelEventArgs.Delta - 滚轮向上滚动为正数；滚轮向下滚动为负数
*/
using System;
using System.Collections.Generic;
using System.linq;
using System.Net;
using System.windows;
using System.windows.Controls;
using System.windows.documents;
using System.windows.input;
using System.windows.Media;
using System.windows.Media.Animation;
using System.windows.Shapes;
using System.windows.Navigation;
namespace Silverlight40.UI
{
public partial class MouseWheel : Page
{
public MouseWheel()
{
InitializeComponent();
}
protected overrIDe voID OnNavigatedTo(NavigationEventArgs e)
{
List < int > List = new List < int > ();
for ( int i = 0 ; i < 100 ; i ++ )
{
List.Add(i);
}
ListBox.ItemsSource = List;
dataGrID.ItemsSource = List;
comboBox.ItemsSource = List;
grID.MouseWheel += new MouseWheelEventHandler(grID_MouseWheel);
}
voID grID_MouseWheel( object sender, MouseWheelEventArgs e)
{
lblMsg.Text = " Delta: " + e.Delta;
}
}
}
4、演示如何响应鼠标右键事件
MouseRightClick.xaml 代码 < navigation:Page x:Class ="Silverlight40.UI.MouseRightClick"
xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d ="http://schemas.microsoft.com/Expression/blend/2008"
xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:navigation ="clr-namespace:System.windows.Controls;assembly=System.windows.Controls.Navigation"
Title ="MouseRightClick Page" >
< GrID x:name ="LayoutRoot" >
< StackPanel HorizontalAlignment ="left" >
< TextBlock name ="lblMsg" WIDth ="120" />
< button name ="button" Content ="right click me" WIDth ="120" />
</ StackPanel >
</ GrID >
</ navigation:Page >
MouseRightClick.xaml.cs 代码 /*
* 本例演示如何响应鼠标右键事件
* UIElement.MouseRightbuttonDown - 鼠标右键按下时所触发的事件
* UIElement.MouseRightbuttonUp - 鼠标右键抬起时所触发的事件
*/
using System;
using System.Collections.Generic;
using System.linq;
using System.Net;
using System.windows;
using System.windows.Controls;
using System.windows.documents;
using System.windows.input;
using System.windows.Media;
using System.windows.Media.Animation;
using System.windows.Shapes;
using System.windows.Navigation;
namespace Silverlight40.UI
{
public partial class MouseRightClick : Page
{
public MouseRightClick()
{
InitializeComponent();
}
protected overrIDe voID OnNavigatedTo(NavigationEventArgs e)
{
button.MouseRightbuttonDown += new MousebuttonEventHandler(button_MouseRightbuttonDown);
button.MouseRightbuttonUp += new MousebuttonEventHandler(button_MouseRightbuttonUp);
}
voID button_MouseRightbuttonDown( object sender, MousebuttonEventArgs e)
{
lblMsg.Text = " 鼠标右键 Down " ;
e.Handled = true ;
}
voID button_MouseRightbuttonUp( object sender, MousebuttonEventArgs e)
{
lblMsg.Text = " 鼠标右键 Up " ;
e.Handled = true ;
}
}
}
5、演示全屏的新特性
FullScreen.xaml 代码 < navigation:Page x:Class ="Silverlight40.UI.FullScreen"
xmlns ="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x ="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d ="http://schemas.microsoft.com/Expression/blend/2008"
xmlns:mc ="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:navigation ="clr-namespace:System.windows.Controls;assembly=System.windows.Controls.Navigation"
Title ="FullScreen Page" >
< GrID x:name ="LayoutRoot" >
< button name ="btnFullScreen" WIDth ="100" Height ="50" Content ="最大化/还原" Click ="btnFullScreen_Click" />
</ GrID >
</ navigation:Page >
FullScreen.xaml.cs 代码 /*
* Application.Current.Host.Content.FullScreenoptions - 全屏的选项
* System.windows.Interop.FullScreenoptions.None - 当其他程序获得焦点时，退出全屏模式（默认值）
* System.windows.Interop.FullScreenoptions.StaysFullScreenWhenUnfocused - 当其他程序获得焦点时，保持全屏模式
* 当设置为“StaysFullScreenWhenUnfocused”全屏时会d出对话框，要求用户确认是否使用“StaysFullScreenWhenUnfocused”的全屏模式。如果程序是“被信任的应用程序”则不会d出该对话框
*/
using System;
using System.Collections.Generic;
using System.linq;
using System.Net;
using System.windows;
using System.windows.Controls;
using System.windows.documents;
using System.windows.input;
using System.windows.Media;
using System.windows.Media.Animation;
using System.windows.Shapes;
using System.windows.Navigation;
namespace Silverlight40.UI
{
public partial class FullScreen : Page
{
public FullScreen()
{
InitializeComponent();
}
protected overrIDe voID OnNavigatedTo(NavigationEventArgs e)
{
}
private voID btnFullScreen_Click( object sender, RoutedEventArgs e)
{
Application.Current.Host.Content.FullScreenoptions = System.windows.Interop.FullScreenoptions.StaysFullScreenWhenUnfocused;
Application.Current.Host.Content.IsFullScreen ^= true ;
}
}
}
OK
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