【Silverlight】Bing Maps学习系列（四）：使用图钉层（Pushpin layer）及地图图层（MapLayer）

1  double longitude = double.Parse("47.620574" );
2  double latitude = double.Parse("-122.34942" );
3 
4  Pushpin pushpin = new  Pushpin();
5  pushpin.Location = new Location(latitude, longitude);

1  <m:Map CredentialsProvider="AkzZURoD0H2Sle6Nq_DE7pm7F3xOc8S3CjDTGNWkz1EFlJJkcwDKT1KcNcmYVINU" x:Name="map"  
2         Center="33.845881352,105.165628188471" ZoomLevel="6.0">
3      <m:Pushpin Location="33.845881352,105.165628188471"></m:Pushpin>
4  </m:Map>

1  <m:Map CredentialsProvider="AkzZURoD0H2Sle6Nq_DE7pm7F3xOc8S3CjDTGNWkz1EFlJJkcwDKT1KcNcmYVINU" x:Name="map"  
2         Center="33.845881352,105.165628188471" ZoomLevel="6.0">
3      <m:Pushpin Location="33.845881352,105.165628188471" x:Name="mayPushpin"></m:Pushpin>
4      <m:MapLayer x:Name="myMapLayer"></m:MapLayer>
5  </m:Map>

 1  private void btnAddPushpin_Click(object sender, RoutedEventArgs e)
 2  {
 3      double longitude = double.Parse(this.tbLongitude2.Text.Trim());
 4      double latitude = double.Parse(this.tbLatitude2.Text.Trim());
 5 
 6      Location location = new Location(latitude, longitude);
 7 
 8      Image image = new Image();
 9      image.Source = new BitmapImage(new Uri("http://localhost:2986/Images/China.jpg", UriKind.RelativeOrAbsolute));
10      image.Stretch = Stretch.None;
11      image.ImageFailed += delegate(object senders, ExceptionRoutedEventArgs ex)
12      { };
13      PositionOrigin position = new PositionOrigin(1.0, 1.0);
14 
15      this.myMapLayer.AddChild(image, location, position);
16  }

 1  <UserControl x:Class="PushpinLayer.MainPage"
 2      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  
 3      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4      xmlns:m="clr-namespace:Microsoft.Maps.MapControl;assembly=Microsoft.Maps.MapControl"
 5      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"  
 6      mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="500">
 7    <Grid x:Name="LayoutRoot" Width="500" Height="500">
 8          <m:Map CredentialsProvider="AkzZURoD0H2Sle6Nq_DE7pm7F3xOc8S3CjDTGNWkz1EFlJJkcwDKT1KcNcmYVINU" x:Name="map"  
 9                 Center="33.845881352,105.165628188471" ZoomLevel="6.0">
10              <m:Pushpin Location="33.845881352,105.165628188471" x:Name="mayPushpin"></m:Pushpin>
11              <m:MapLayer x:Name="myMapLayer"></m:MapLayer>
12          </m:Map>
13          <StackPanel HorizontalAlignment="Left" VerticalAlignment="Bottom" Width="180" Height="200" Background="Gray">
14              <TextBlock Text="精度："></TextBlock>
15              <TextBox x:Name="tbLongitude"></TextBox>
16              <TextBlock Text="纬度："></TextBlock>
17              <TextBox x:Name="tbLatitude"></TextBox>
18              <TextBlock Text=" "></TextBlock>
19              <TextBlock Text="精度："></TextBlock>
20              <TextBox x:Name="tbLongitude2"></TextBox>
21              <TextBlock Text="纬度："></TextBlock>
22              <TextBox x:Name="tbLatitude2"></TextBox>
23              <Button x:Name="btnAddPushpin" Click="btnAddPushpin_Click" Content="添加五星红旗"></Button>
24          </StackPanel>
25    </Grid>
26  </UserControl>
27