WPF UpdateSourceTrigger的使用

<Window x:Class=”XamlTest.Window8″
        xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation”
        xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml”
        Title=”Window8″ Height=”300″ Width=”300″>
    <Grid>
        <StackPanel>

<TextBox Text=”{Binding ElementName=slider, Path=Value, UpdateSourceTrigger=PropertyChanged}”></TextBox>

//      PropertyChanged:更改后直接更新源

<!–<TextBox Text=”{Binding ElementName=slider, Path=Value, UpdateSourceTrigger=LostFocus}”></TextBox>–>

//      LostFocus:失去焦点后更新源

<!–<TextBox Text=”{Binding ElementName=slider, Path=Value, UpdateSourceTrigger=Explicit}”></TextBox>–>

//      Explicit:不更新源

<Slider Name=”slider” Minimum=”1″ Maximum=”100″ TickPlacement=”BottomRight” TickFrequency=”1″></Slider>
        </StackPanel>
    </Grid>
</Window>