本文整理汇总了C#中QueryTask.ExecuteTaskAsync方法的典型用法代码示例。如果您正苦于以下问题:C# QueryTask.ExecuteTaskAsync方法的具体用法?C# QueryTask.ExecuteTaskAsync怎么用?C# QueryTask.ExecuteTaskAsync使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QueryTask
的用法示例。
在下文中一共展示了QueryTask.ExecuteTaskAsync方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: MyDrawObject_DrawComplete
private async void MyDrawObject_DrawComplete(object sender, DrawEventArgs args)
{
try
{
_myDrawObject.IsEnabled = false;
if (_cts != null)
_cts.Cancel();
_cts = new CancellationTokenSource();
QueryTask queryTask =
new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/TaxParcel/AssessorsParcelCharacteristics/MapServer/1");
Query query = new Query()
{
Geometry = args.Geometry,
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference
};
QueryResult parcelsToIntersectResult = await queryTask.ExecuteTaskAsync(query, _cts.Token);
List<Graphic> graphicList = new List<Graphic>();
graphicList.Add(new Graphic() { Geometry = args.Geometry });
SimplifyResult simplifiedIntersectGeometryResult = await _geometryService.SimplifyTaskAsync(graphicList, _cts.Token);
IntersectResult intersectedParcelsResult = await _geometryService.IntersectTaskAsync(parcelsToIntersectResult.FeatureSet.ToList(), simplifiedIntersectGeometryResult.Results[0].Geometry, _cts.Token);
Random random = new Random();
foreach (Graphic g in intersectedParcelsResult.Results)
{
SimpleFillSymbol symbol = new SimpleFillSymbol()
{
Fill = new System.Windows.Media.SolidColorBrush(
System.Windows.Media.Color.FromArgb(255, (byte)random.Next(0, 255), (byte)random.Next(0, 255),
(byte)random.Next(0, 255))),
BorderBrush = new System.Windows.Media.SolidColorBrush(System.Windows.Media.Colors.Black),
BorderThickness = 1
};
g.Symbol = symbol;
_intersectGraphicsLayer.Graphics.Add(g);
}
}
catch (Exception ex)
{
if (ex is ServiceException)
{
MessageBox.Show(String.Format("{0}: {1}", (ex as ServiceException).Code.ToString(), (ex as ServiceException).Details[0]), "Error", MessageBoxButton.OK);
return;
}
}
}