12-练习一下-输出文本框的各个事件触发

在文本框中触发的事件，加载到listbox中

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="18"></RowDefinition>
        <RowDefinition></RowDefinition>
    </Grid.RowDefinitions>
    <ListBox Name="listBox" Grid.Row="1"></ListBox>
    <DockPanel LastChildFill="True">
        <TextBlock DockPanel.Dock="Left">输入内存：</TextBlock>
        <TextBox MouseDown="TextBox_MouseDown" TextInput="TextBox_TextInput" TextChanged="TextBox_TextChanged" PreviewTextInput="TextBox_PreviewTextInput"></TextBox>
    </DockPanel>
</Grid>Code language: HTML, XML (xml)