用Silverlight做的BA系统的楼层平面图怎么样能够做到BA点的无刷新

悬赏园豆：5 [已解决问题] 解决于 2013-05-14 14:22

只要能够无刷新，不管用定时刷新，还是别的，只要能刷，就可以
<UserControl x:Class="MapLayer.Alarm.Alarm"
    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"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400">

    <Grid x:Name="LayoutRoot" Background="White">
        <Grid.RowDefinitions>
            <RowDefinition Height="30"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <StackPanel x:Name="header" HorizontalAlignment="Center" Orientation="Horizontal">
            <TextBlock x:Name="ImageName" Style="{StaticResource MSYH-font}"></TextBlock>
        </StackPanel>
        <StackPanel x:Name="header2" HorizontalAlignment="Right">
            <ComboBox x:Name="cboSelect" Style="{StaticResource combo-style}" ItemsSource="{Binding Mode=OneWay}" SelectionChanged="cboSelect_SelectionChanged"></ComboBox>
        </StackPanel>
<Image x:Name="MyImage" Grid.Row="1" Stretch="Fill" SizeChanged="MyImage_SizeChanged">
            <Image.RenderTransform>
                <TransformGroup>
                    <ScaleTransform x:Name="scaleing"></ScaleTransform>
                    <RotateTransform x:Name="rt_myimage" CenterX="450" CenterY="230" Angle="0"></RotateTransform>
                </TransformGroup>
            </Image.RenderTransform>
        </Image>
        </Grid>
</UserControl>