supermap学习系列之silverlight--添加可拖拽的定位图钉（方法二之超图自带类（Pushpin、InfoWindow）） 续 解决上一篇的问题

概述哈哈，还是可以拖拽的图钉。我都快晕了。解决上一篇留下的问题。 xaml代码：  <Grid x:Name="LayoutRoot" Background="White">             <ic:Map x:Name="MyMap">            <!--地图地址   自己填写-->            <is:TiledDynamicRESTLayer Url="

哈哈，还是可以拖拽的图钉。我都快晕了。解决上一篇留下的问题。

xaml代码：

 <GrID x:name="LayoutRoot" Background="White">             <ic:Map x:name="MyMap">            <!--地图地址   自己填写-->            <is:TiledDynamicRESTLayer Url="<a target=_blank @R_403_6839@="http://localhost:8090/iserver/services/map-china400/rest/maps/China">http://localhost:8090/iserver/services/map-china400/rest/maps/China</a>" />          </ic:Map>              <button x:name="btnDrag" Content="点击" Height="23" WIDth="75" Click="btnDrag_Click_1" margin="0,925,277" />    </GrID>

cs后台代码：

<p>namespace SL{    public partial class MainPage : UserControl    {        private ElementsLayer Drag_ElementsLayer = new ElementsLayer();        private ComboBox GV_cBoxPopConType;        private TextBox GV_txtLon;        private TextBox GV_txtLat;        public MainPage()        {            InitializeComponent();        }                              private voID btnDrag_Click_1(object sender,RoutedEventArgs e)        {                        Drag_ElementsLayer.Children.Clear();            pushpin p = new pushpin();            InfoWindow window = GetPopupContent();                       bool isMouseCaptured = false;            p.MouseleftbuttonDown += (obj,ee) =>            {                isMouseCaptured = true;                MyMap.ScreenContainer.Children.Remove(window);                MyMap.ScreenContainer.Children.Add(window);                window.Location = p.Location;                if (GV_txtLon != null)                {                    GV_txtLon.Text = p.Location.X.ToString();                }                if (GV_txtLat != null)                {                    GV_txtLat.Text = p.Location.Y.ToString();                }                window.ShowInfoWindow();            };            p.MouseMove += (obj,ee) =>            {                if (isMouseCaptured)                {                    MyMap.Action = null;                    Point2D new_point2d = MyMap.ScreenToMap(new Point(ee.Getposition(null).X,ee.Getposition(null).Y+37));                    p.Location = new_point2d;                    window.CloseInfoWindow();                }            };            p.MouseleftbuttonUp += (obj,ee) =>            {                isMouseCaptured = false;                MyMap.Action = new Pan(MyMap);                Point2D new_point2d = MyMap.ScreenToMap(new Point(ee.Getposition(null).X,ee.Getposition(null).Y+37));                p.Location = new_point2d;                window.Location = p.Location;                if (GV_txtLon != null)                {                    GV_txtLon.Text = p.Location.X.ToString();                }                if (GV_txtLat != null)                {                    GV_txtLat.Text = p.Location.Y.ToString();                }                window.ShowInfoWindow();            };            p.Location = MyMap.Center;            p.Background = new SolIDcolorBrush(colors.Blue);            Drag_ElementsLayer.AddChild(p);            MyMap.Layers.Add(Drag_ElementsLayer);        }</p><p>        private InfoWindow GetPopupContent()        {            StackPanel spAll = new StackPanel();            StackPanel sp1 = new StackPanel()            {                OrIEntation = OrIEntation.Horizontal,                Height = 29            };            StackPanel sp2 = new StackPanel()            {                OrIEntation = OrIEntation.Horizontal,                Height = 29            };            StackPanel sp3 = new StackPanel()            {                OrIEntation = OrIEntation.Horizontal,                Height = 29            };            StackPanel sp4 = new StackPanel()            {                OrIEntation = OrIEntation.Horizontal,                Height = 29,                HorizontalAlignment = HorizontalAlignment.Right            };            TextBlock tblockLon = new TextBlock()            {                Text = "经度：",                VerticalAlignment = VerticalAlignment.Center            };            TextBlock tblockLat = new TextBlock()            {                Text = "纬度：",                VerticalAlignment = VerticalAlignment.Center            };            TextBlock tblockType = new TextBlock()            {                Text = "类型：",                VerticalAlignment = VerticalAlignment.Center            };            GV_txtLon = new TextBox()            {                WIDth = 256,                Height = 23,            };            GV_txtLat = new TextBox()            {                WIDth = 256,                Height = 23            };            List<ComboBoxItem> ctg = new List<ComboBoxItem>()            {                new ComboBoxItem { Tag="road",Content="道路" },                new ComboBoxItem { Tag="brIDge",Content="桥梁" },                new ComboBoxItem { Tag="river",Content="河流" },                new ComboBoxItem { Tag="farmland",Content="农田" },                          };            GV_cBoxPopConType = new ComboBox()            {                WIDth = 256,                ItemsSource = ctg            };            GV_cBoxPopConType.Selectedindex = 0;            button btnPopSaveConLonLat = new button()            {                Content = "保存",                WIDth = 75,                Height = 23            };            btnPopSaveConLonLat.Click += btnPopSaveConLonLat_Click;            button btnPopCancel = new button()            {                Content = "取消",                Height = 23            };            btnPopCancel.Click += btnPopCancel_Click;            sp1.Children.Add(tblockLon);            sp1.Children.Add(GV_txtLon);            sp2.Children.Add(tblockLat);            sp2.Children.Add(GV_txtLat);</p><p>            sp3.Children.Add(tblockType);            sp3.Children.Add(GV_cBoxPopConType);</p><p>            sp4.Children.Add(btnPopSaveConLonLat);            sp4.Children.Add(btnPopCancel);</p><p>            spAll.Children.Add(sp1);            spAll.Children.Add(sp2);            spAll.Children.Add(sp3);            spAll.Children.Add(sp4);                     InfoWindow window = new InfoWindow(MyMap);            window.WIDth = 310;            window.Height = 150;            window.Content = spAll;            window.Title = "地理位置信息";            return window;        }</p><p>        private voID btnPopCancel_Click(object sender,RoutedEventArgs e)        {            MyMap.ScreenContainer.Children.Clear();            Drag_ElementsLayer.Children.Clear();            MyMap.Layers.Remove(Drag_ElementsLayer);        }</p><p>        private voID btnPopSaveConLonLat_Click(object sender,RoutedEventArgs e)        {            string type = "",lon = "",lat = "";            if (GV_cBoxPopConType != null)            {                ComboBoxItem item = GV_cBoxPopConType.SelectedItem as ComboBoxItem;                type = item.Tag.ToString();            }            if (GV_txtLon != null)            {                lon = GV_txtLon.Text.Trim();            }            if (GV_txtLat != null)            {                lat = GV_txtLat.Text.Trim();            }            MessageBox.Show("经度：" + lon + "\n" + "纬度：" + lat + "\n" + "类型：" + type);        }             }}</p>

初始化截图和上一篇是一样的，如下：

点击按钮添加图钉，左键d出交互窗口等和上一篇一样。不一样的是保存，截图如下：

点击保存按钮，截图如下：

 

切换图钉位置以及下拉框选项，可以和上一张对比一下，截图如下：

 

如果哪位大神有更好的方法，请联系。共同学习。谢谢。

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