时间：2016年07月22日 | 作者 : aaronyang | 分类 : WPF | 浏览: 1485次 | 评论 0 人
<Grid>
<Grid.Resources>
<!-- Resources so we can refer to them later. -->
<SolidColorBrush Color="Blue" x:Key="BlueBrush"/>
<!-- a module is a function library -->
<p:Module x:Key="SyntaxFunctions">
<!--
Everything in the ValueSamples function produces a value.
That is to say they are all expressions. Mastering
expressions is an basic skill as expressions are
used in almost all statements.
-->
<p:Function FunctionName="ValueSamples">
<!-- sample values using ordinary XAML syntax -->
<p:Expr Value="An ordinary string"/>
<p:Expr>An ordinary string</p:Expr>
<p:Expr Value="{StaticResource BlueBrush}"/>
<p:Expr Value="{Binding ElementName=Button}"/>
<p:Expr Value="{Binding FirstName}"/>
<!-- use parameter value indirection -->
<p:Get Path="$i"/>
<p:Path>$i</p:Path>
<!-- explicit type conversion -->
<p:Expr Value="42" TypePath="[Int32]"/>
<!-- syntax without conversion -->
<p:Expr>
<sys:Int32>42</sys:Int32>
</p:Expr>
<!-- supply types as values -->
<p:Path>[Int32]</p:Path>
<p:Expr Path="[Int32]"/>
<p:Expr Value="{x:Type sys:Int32}"/>
<p:Expr>
<x:Type TypeName="sys:Int32"/>
</p:Expr>
<!-- use get accessors -->
<p:Get Var="$i"/>
<p:Get Source="{StaticResource BlueBrush}"/>
<p:Get Context="{StaticResource BlueBrush}" PropertyName="Color"/>
<p:Get Path="$c" PropertyName="Count"/>
<p:Get Context="{Binding ElementName=Button}" DependencyProperty="Button.Command"/>
<!-- use set accessors -->
<p:Set Var="$s" Value="New Value"/>
<p:Set Target="{Binding FirstName, Mode=TwoWay}" Value="Bill"/>
<p:Set Target="{Binding}" PropertyName="FirstName" Value="Bill"/>
<p:Set Var="$c" PropertyName="Count" Value="10"/>
<p:Set Op="Increment" Path="$c" PropertyName="Total"/>
<!-- use item accessor for arrays, collections and dictionaries -->
<p:GetItem Path="$x" Index="0"/>
<p:GetItem Path="$x" IndexPath="$i"/>
<p:GetItem Path="$array3D">
<p:Get Path="$i"/>
<p:Get Path="$j"/>
<p:Get Path="$k"/>
</p:GetItem>
<!-- all accessors can use context and context is inherited -->
<p:Expr Context="{StaticResource BlueBrush}">
<p:Get Path="Color"/>
</p:Expr>
<!-- use operators with optional conversions -->
<p:Operator Value1="abc" Op="Plus" Value2="def"/>
<p:Operator TypePath="[Int32]" Value1="2" Op="Times" Value2="2"/>
<p:Operator TypePath="[Boolean]" Op="Not" Value="True"/>
<!-- use binary operator with one or two parameters -->
<p:Operator Path1="$i" Op="LessThan" Value2="10"/>
<p:Operator Path1="$i" Op="LessThan" Path2="$j"/>
<!-- use operators in params mode -->
<p:Operator Op="Plus">
<p:Expr TypePath="[Int32]" Value="1"/>
<p:Expr TypePath="[Int32]" Value="2"/>
<p:Expr TypePath="[Int32]" Value="3"/>
</p:Operator>
<!-- use short-circuit operators to avoid crashes -->
<p:Operator Op="AndAnd">
<p:Operator Op="NotIsNull" Path="$p"/>
<p:Get Path="$p" PropertyName="IsReady"/>
</p:Operator>
<!-- create a dynamic object -->
<p:Object>
<p:Property PropertyName="FirstName" Value="Bill"/>
<p:Property PropertyName="LastName" Value="Smith"/>
</p:Object>
<!-- create a traditional object -->
<p:Object Path="[Button]">
<p:Property PropertyName="Content" Value="Click Me!"/>
<p:Property PropertyName="Opacity" Value="0.5"/>
</p:Object>
<!-- don't be seduced into thinking this is static -->
<!-- it is a brand new object with new computed values -->
<p:Object Path="[Button]">
<p:Property PropertyName="Content" Value="{Binding Firstname}"/>
<p:Property PropertyName="Opacity">
<p:Operator Op="Divide">
<p:Get Context="{Binding ElementName=Button}" PropertyName="Opacity"/>
<p:Expr Value="2"/>
</p:Operator>
</p:Property>
</p:Object>
<!-- create a smart generic observable collection -->
<p:Collection>
<p:Expr Value="abc"/>
<p:Expr Value="def"/>
<p:Expr Value="ghi"/>
</p:Collection>
<!-- filter collections using iterators -->
<p:Iterator>
<p:ForEach Var="$operator">
<p:ForEach.Value>
<p:Call Path="[Enum].GetValues([Op])"/>
</p:ForEach.Value>
<p:Yield Path="$operator">
<p:Yield.When>
<p:Call Path="$operator.Contains('Bitwise')"/>
</p:Yield.When>
</p:Yield>
</p:ForEach>
</p:Iterator>
</p:Function>
</p:Module>
</Grid.Resources>
<Button Content="Click Me">
<p:Attached.Operations>
<p:CallHandler EventName="Click => MessageBox].Show('Hello, world!')"/>
</p:Attached.Operations>
</Button>
<Button Content="Click Me">
<p:Attached.Operations>
<p:EventHandler Path="Click">
<p:Call Path="[MessageBox].Show('Hello, world!')"/>
</p:EventHandler>
</p:Attached.Operations>
</Button>
</Grid>====================www.ayjs.net 杨洋 wpfui.com ayui ay aaronyang=======请不要转载谢谢了。=========
推荐您阅读更多有关于“WPF4.5，”的文章
抖音:wpfui 工作wpf,兴趣学习flutter
目前在合肥市某公司上班，已经厌弃，如果你的公司看的上我，加我QQ私聊
AYUI8全源码 Github地址:前往获取
杨洋（AaronYang简称AY,安徽六安人）和AY交流
高中学历，2010年开始web开发,2015年1月17日开始学习WPF
声明:AYUI7个人与商用免费，源码可购买。部分DEMO不免费
不是从我处购买的ayui7源码，我不提供任何技术服务，如果你举报从哪里买的，我可以帮你转正为我的客户，并送demo
查看捐赠AYUI7.X MVC教程 更新如下：
第一课 第二课 程序加密教程
额 本文暂时没人评论 来添加一个吧
发表评论