用到了telerik:
<telerik:RadWatermarkTextBox BorderThickness="0" Name="txtSearch"
Background="{x:Null}" ClipToBounds="True" TextWrapping="Wrap"
BorderBrush="#FFCCCCCC"
>
<telerik:RadWatermarkTextBox.InputBindings>
<KeyBinding
Key="Enter" Command="{Binding SearchCommand}" CommandParameter="{Binding
ElementName=txtSearch}"></KeyBinding>
</telerik:RadWatermarkTextBox.InputBindings>
<telerik:RadWatermarkTextBox.WatermarkContent>
<StackPanel>
<TextBlock
Text="测试"
/>
</StackPanel>
</telerik:RadWatermarkTextBox.WatermarkContent>
</telerik:RadWatermarkTextBox>
注意<i:Interaction>需要使用Blend的System.Windows.Interactivity.dll文件。
<Button Content="确
定" IsDefault="True" Grid.Row="2"
Grid.Column="3" Grid.RowSpan="2" Style="{StaticResource Win8StyleBtn}"
>
<i:Interaction.Triggers>
<i:EventTrigger
EventName="Click">
<i:InvokeCommandAction Command="{Binding
SearchCommand}" CommandParameter="{Binding ElementName=txtSearch}">
</i:InvokeCommandAction>
</i:EventTrigger>
</i:Interaction.Triggers>
</Button>
DelegateCommand需要Prism中的Microsoft.Practices.Prism.dll
public void ExecuteSearch(Telerik.Windows.Controls.RadWatermarkTextBox
radWatermarkTextBox)
{
MessageBox.Show(radWatermarkTextBox.Text);
}
虚拟键盘输入之回车事件绑定与鼠标点击事件绑定,布布扣,bubuko.com
原文:http://www.cnblogs.com/gnsds/p/3623217.html