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ShapefileFeatureTableInfo Property

Gets the shapefile info.

Namespace:  Esri.ArcGISRuntime.Data
Assembly:  Esri.ArcGISRuntime (in Esri.ArcGISRuntime.dll) Version: 100.11.0
Syntax
public ShapefileInfo Info { get; }

Property Value

Type: ShapefileInfo
Examples

UWP

Example Name: ReadShapefileMetadata

Read a shapefile and display its metadata.

Code example screen shot.

C#
// Copyright 2017 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
// language governing permissions and limitations under the License.

using System;
using Windows.UI.Popups;
using ArcGISRuntime.Samples.Managers;
using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.UI;

namespace ArcGISRuntime.UWP.Samples.ReadShapefileMetadata
{
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        name: "Read shapefile metadata",
        category: "Data",
        description: "Read a shapefile and display its metadata.",
        instructions: "The shapefile's metadata will be displayed when you open the sample.",
        tags: new[] { "credits", "description", "metadata", "package", "shape file", "shapefile", "summary", "symbology", "tags", "visualization" })]
    [ArcGISRuntime.Samples.Shared.Attributes.OfflineData("d98b3e5293834c5f852f13c569930caa")]
    public partial class ReadShapefileMetadata
    {
        public ReadShapefileMetadata()
        {
            InitializeComponent();

            // Open a shapefile stored locally and add it to the map as a feature layer
            Initialize();
        }

        private async void Initialize()
        {
            // Create a new map to display in the map view with a streets basemap
            Map streetMap = new Map(BasemapStyle.ArcGISStreets);

            // Get the path to the downloaded shapefile
            string filepath = GetShapefilePath();

            try
            {
                // Open the shapefile
                ShapefileFeatureTable myShapefile = await ShapefileFeatureTable.OpenAsync(filepath);

                // Read metadata about the shapefile and display it in the UI
                ShapefileInfo fileInfo = myShapefile.Info;
                InfoPanel.DataContext = fileInfo;

                // Display the shapefile thumbnail in an image control
                ShapefileThumbnailImage.Source = await RuntimeImageExtensions.ToImageSourceAsync(fileInfo.Thumbnail);

                // Create a feature layer to display the shapefile
                FeatureLayer newFeatureLayer = new FeatureLayer(myShapefile);
                await newFeatureLayer.LoadAsync();

                // Zoom the map to the extent of the shapefile
                MyMapView.SpatialReferenceChanged += async (s, e) =>
                {
                    await MyMapView.SetViewpointGeometryAsync(newFeatureLayer.FullExtent);
                };

                // Add the feature layer to the map
                streetMap.OperationalLayers.Add(newFeatureLayer);

                // Show the map in the MapView
                MyMapView.Map = streetMap;
            }
            catch (Exception e)
            {
                await new MessageDialog(e.ToString(), "Error").ShowAsync();
            }
        }

        private static string GetShapefilePath()
        {
            return DataManager.GetDataFolder("d98b3e5293834c5f852f13c569930caa", "TrailBikeNetwork.shp");
        }
    }
}
XAML
<UserControl
    x:Class="ArcGISRuntime.UWP.Samples.ReadShapefileMetadata.ReadShapefileMetadata"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:esriUI="using:Esri.ArcGISRuntime.UI.Controls">
    <Grid>
        <esriUI:MapView x:Name="MyMapView" />
        <Border Style="{StaticResource BorderStyle}">
            <Grid x:Name="InfoPanel">
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                </Grid.RowDefinitions>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto" />
                    <ColumnDefinition Width="*" />
                </Grid.ColumnDefinitions>
                <TextBlock Text="{Binding Credits}"
                           Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2"
                           FontWeight="SemiBold" TextAlignment="Center" />
                <TextBlock Text="{Binding Summary}"
                           Grid.Row="1" Grid.Column="0" Grid.ColumnSpan="2"
                           TextWrapping="Wrap" />
                <Image x:Name="ShapefileThumbnailImage"
                       Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="2"
                       Margin="10" />
                <TextBlock Text="Tags:"
                           Grid.Row="3" Grid.Column="0"
                           FontWeight="SemiBold"
                           VerticalAlignment="Center" />
                <ListBox ItemsSource="{Binding Tags}"
                         Grid.Row="3" Grid.Column="1"
                         Height="80"
                         Margin="10,0"
                         HorizontalAlignment="Stretch" />
            </Grid>
        </Border>
    </Grid>
</UserControl>
Examples

Xamarin Forms UWP

Example Name: ReadShapefileMetadata

Read a shapefile and display its metadata.

Code example screen shot.

C#
// Copyright 2017 Esri.
// 
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
// language governing permissions and limitations under the License.

using System;
using ArcGISRuntime.Samples.Managers;
using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Mapping;
using System.IO;
using Xamarin.Forms;

namespace ArcGISRuntime.Samples.ReadShapefileMetadata
{
    [ArcGISRuntime.Samples.Shared.Attributes.Sample(
        name: "Read shapefile metadata",
        category: "Data",
        description: "Read a shapefile and display its metadata.",
        instructions: "The shapefile's metadata will be displayed when you open the sample.",
        tags: new[] { "credits", "description", "metadata", "package", "shape file", "shapefile", "summary", "symbology", "tags", "visualization" })]
    [ArcGISRuntime.Samples.Shared.Attributes.OfflineData("d98b3e5293834c5f852f13c569930caa")]
    public partial class ReadShapefileMetadata : ContentPage
    {
        public ReadShapefileMetadata()
        {
            InitializeComponent();

            // Open a shapefile stored locally and add it to the map as a feature layer
            Initialize();
        }

        private async void Initialize()
        {
            // Create a new map to display in the map view with a streets basemap
            Map streetMap = new Map(BasemapStyle.ArcGISStreets);

            // Get the path to the downloaded shapefile
            string filepath = GetShapefilePath();

            try
            {
                // Open the shapefile
                ShapefileFeatureTable myShapefile = await ShapefileFeatureTable.OpenAsync(filepath);

                // Read metadata about the shapefile and display it in the UI
                ShapefileInfo fileInfo = myShapefile.Info;
                InfoPanel.BindingContext = fileInfo;

                // Read the thumbnail image data into a byte array
                Stream imageStream = await fileInfo.Thumbnail.GetEncodedBufferAsync();
                byte[] imageData = new byte[imageStream.Length];
                imageStream.Read(imageData, 0, imageData.Length);

                // Create a new image source from the thumbnail data
                ImageSource streamImageSource = ImageSource.FromStream(() => new MemoryStream(imageData));

                // Create a new image to display the thumbnail
                Image image = new Image()
                {
                    Source = streamImageSource,
                    Margin = new Thickness(10)
                };

                // Show the thumbnail image in a UI control
                ShapefileThumbnailImage.Source = image.Source;

                // Create a feature layer to display the shapefile
                FeatureLayer newFeatureLayer = new FeatureLayer(myShapefile);
                await newFeatureLayer.LoadAsync();

                // Zoom the map to the extent of the shapefile
                MyMapView.SpatialReferenceChanged += async (s, e) =>
                {
                    await MyMapView.SetViewpointGeometryAsync(newFeatureLayer.FullExtent);
                };

                // Add the feature layer to the map
                streetMap.OperationalLayers.Add(newFeatureLayer);

                // Show the map in the MapView
                MyMapView.Map = streetMap;
            }
            catch (Exception e)
            {
                await Application.Current.MainPage.DisplayAlert("Error", e.ToString(), "OK");
            }
        }

        private void ShowMetadataClicked(object sender, System.EventArgs e)
        {
            // Toggle the visibility of the metadata panel
            MetadataFrame.IsVisible = !MetadataFrame.IsVisible;
        }

        private static string GetShapefilePath()
        {
            return DataManager.GetDataFolder("d98b3e5293834c5f852f13c569930caa", "TrailBikeNetwork.shp");
        }
    }
}
XAML
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"             
             xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Xamarin.Forms;assembly=Esri.ArcGISRuntime.Xamarin.Forms"
             xmlns:mapping="clr-namespace:Esri.ArcGISRuntime.Mapping;assembly=Esri.ArcGISRuntime" 
             x:Class="ArcGISRuntime.Samples.ReadShapefileMetadata.ReadShapefileMetadata">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition/>
            <RowDefinition Height="40"/>
        </Grid.RowDefinitions>
        <esriUI:MapView x:Name="MyMapView"/>
        <Frame x:Name="MetadataFrame" 
               IsVisible="False"
               HorizontalOptions="Center"  VerticalOptions="Start"
               Margin="30"
               BorderColor="DarkGray"
               BackgroundColor="LightGray"
               WidthRequest="300">
            <ScrollView>
                <StackLayout x:Name="InfoPanel"
                        Orientation="Vertical"
                        Margin="5">
                    <Label Margin="5" 
                       FontAttributes="Bold" FontSize="Small" TextColor="DarkBlue"
                       Text="{Binding Path=Credits}"/>
                    <Label LineBreakMode="WordWrap"
                       FontSize="Micro" TextColor="Black"
                       Text="{Binding Summary}"/>
                    <Image x:Name="ShapefileThumbnailImage"
                        Margin="10"/>
                    <StackLayout Orientation="Horizontal">
                        <Label FontAttributes="Bold" FontSize="Micro" TextColor="Black"
                               Margin="0,3"
                               Text="Tags:"/>
                        <ListView HeightRequest="120" WidthRequest="160" RowHeight="25"
                                  ItemsSource="{Binding Tags}"/>
                    </StackLayout>
                </StackLayout>
            </ScrollView>
        </Frame>
        <Button Grid.Row="1" 
                Text="Show Metadata"
                Clicked="ShowMetadataClicked"
                HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand"/>
    </Grid>
</ContentPage>
See Also
Additional Examples
Hyperlink to ExampleDescription
ReadShapefileMetadataRead a shapefile and display its metadata.