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<Window x:Class= "MVVMDemo.MainWindow"
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:local= "clr-namespace:MVVMDemo"
mc:Ignorable= "d"
Title= "MainWindow" Height= "450" Width= "800" >
<Window.DataContext >
<!-- // 有很多中绑定方式， -->
<local:MainViewModel />
</Window.DataContext>
<Grid >
<StackPanel Orientation= "Vertical"
HorizontalAlignment= "Center"
VerticalAlignment= "Center" >
<StackPanel Orientation= "Horizontal"
Margin= "2" >
<Label Content= "Origin Content: "
FontSize= "20"
VerticalAlignment= "Center"
HorizontalAlignment= "Center" />
<TextBox Text= "{Binding TextContent, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
TextWrapping= "Wrap"
MinWidth= "400"
MaxWidth= "600"
FontSize= "20"
Padding= "4" />
</StackPanel>
<StackPanel Orientation= "Horizontal"
Margin= "2" >
<Label Content= "Sync Content: "
FontSize= "20"
VerticalAlignment= "Center"
HorizontalAlignment= "Center" />
<TextBlock Text= "{Binding TextContent}"
TextWrapping= "Wrap"
MinWidth= "400"
MaxWidth= "600"
FontSize= "20"
Padding= "4" />
</StackPanel>
<!-- // CommandParameter: 绑定对象到BtnCmd上 // -->
<Button Content= "Reset"
Command= "{Binding BtnCmd}"
CommandParameter= "{Binding RelativeSource={RelativeSource AncestorType=Window}}"
FontSize= "30" />
</StackPanel>
</Grid>
</Window>
