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<navigation:Page x:Class="Slex.Lib.Demo.Views.Demos.PropertyTrigger"
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:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
xmlns:slex="clr-namespace:Slex.Lib.Interactions;assembly=Slex.Lib"
mc:Ignorable="d"
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
d:DesignWidth="640" d:DesignHeight="480"
Title="EventTrigger Page">
<Grid x:Name="LayoutRoot">
<i:Interaction.Triggers>
<slex:PropertyTrigger ElementName="txtData" Property="Text">
<slex:InvokeCommandAction CommandName="UpdateDataCommand">
<slex:InvokeCommandAction.Conditions>
<slex:InvokingConditions>
<slex:InvokingCondition Value="Hello"/>
<slex:InvokingCondition ElementName="myCheckBox" Property="IsChecked" Value="True"/>
</slex:InvokingConditions>
</slex:InvokeCommandAction.Conditions>
</slex:InvokeCommandAction>
</slex:PropertyTrigger>
</i:Interaction.Triggers>
<StackPanel>
<TextBlock FontSize="20" Text="Property Trigger Demo"/>
<TextBlock Margin="4" TextWrapping="Wrap"
Text="This demo shows how to invoke an action when a property is changed, based on multiple conditions. Type 'Hello' in the below text box, with the check box checked, to fire the command"/>
<TextBox Margin="4" Name="txtData" Text="Type Hello here, with the checkbox checked"/>
<StackPanel Background="LightGray" Margin="5">
<TextBlock Margin="4" Text="{Binding Data}" FontSize="14"/>
<CheckBox Name="myCheckBox" Content="Check to Fire The Command if 'Hello' is entered"/>
</StackPanel>
</StackPanel>
</Grid>
</navigation:Page>
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Architect, Developer, Speaker | Wannabe GUT inventor & Data Scientist | Microsoft MVP in C#