//设置缓冲区查询参数
private void Button_Click(object sender, RoutedEventArgs e)
{
BufferQueryParameters parameters = new BufferQueryParameters();
//几何对象缓冲区查询
if (BufferQuery.IsChecked == true)
{
BufferParam bufferParam = new BufferParam()
{
Distance = 500,
FromCustomGeo = true,
Geometries = geometries,
Smoothness = 12,
QueryMode = SpatialQueryMode.AreaIntersect,
ReturnBufferResult = true
};
QueryLayer queriedLayer = new QueryLayer();
queriedLayer.LayerName = QueriedComboBox.SelectionBoxItem.ToString();
QueryParam queryParam = new QueryParam() { QueryLayers = new List<QueryLayer> { queriedLayer } };
parameters = new BufferQueryParameters() { MapName = "changchun", QueryParam = queryParam, BufferParam = bufferParam };
}
//地物缓冲区查询
else
{
QueryLayer queryLayer = new QueryLayer();
queryLayer.LayerName = QueryComboBox.SelectionBoxItem.ToString();
queryLayer.WhereClause = queryText.Text;
BufferParam bufferParam = new BufferParam()
{
FromLayer = queryLayer,
Distance = 500,
FromCustomGeo = false,
Smoothness = 12,
QueryMode = SpatialQueryMode.AreaIntersect,
ReturnBufferResult = true
};
QueryLayer queriedLayer = new QueryLayer();
queriedLayer.LayerName = QueriedComboBox.SelectionBoxItem.ToString();
QueryParam queryParam = new QueryParam() { QueryLayers = new List<QueryLayer> { queriedLayer } };
parameters = new BufferQueryParameters() { MapName = "changchun", QueryParam = queryParam, BufferParam = bufferParam };
}
BufferQueryService bufferQueryService = new BufferQueryService("http://localhost/IS/AjaxDemo");
bufferQueryService.ProcessAsync(parameters);
bufferQueryService.Failed += new EventHandler<ServiceFailedEventArgs>(Service_Failed);
bufferQueryService.ProcessCompleted += new EventHandler<BufferQueryEventArgs>(bufferQueryService_ProcessCompleted);
resultLayer.MouseLeftButtonDown += new EventHandler<FeatureMouseButtonEventArgs>(resultLayer_MouseLeftButtonDown);
}
/// <summary>${IS6_BufferQueryService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${IS6_BufferQueryService_method_ProcessAsync_param_parameters}</param>
/// <param name="state">${IS6_BufferQueryService_method_ProcessAsync_param_state}</param>
public void ProcessAsync(BufferQueryParameters parameters, object state)
{
if (parameters == null)
{
//TODO:资源
//throw new ArgumentNullException("BufferQueryParameters is Null");
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
if (string.IsNullOrEmpty(this.Url))
{
//TODO:资源
//throw new InvalidOperationException("Url is not set");
throw new InvalidOperationException(ExceptionStrings.InvalidUrl);
}
base.SubmitRequest(base.Url + "/path.ashx?", GetParameters(parameters),
new EventHandler<RequestEventArgs>(request_Completed), state, false);
}
private Dictionary<string, string> GetParameters(BufferQueryParameters parameters)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
dictionary.Add("map", parameters.MapName);
if (parameters != null && parameters.BufferParam != null)
{
if (parameters.BufferParam.FromCustomGeo)
{
dictionary.Add("method", "BufferQueryByGeometries");
dictionary.Add("geometries", GetGeosStr(parameters.BufferParam.Geometries));
}
else
{
dictionary.Add("method", "BufferQueryByLayer");
dictionary.Add("layer", QueryLayer.ToJson(parameters.BufferParam.FromLayer));
}
}
dictionary.Add("bufferQueryParam", GetQueryStr(parameters.BufferParam, parameters.QueryParam));
//dictionary.Add("bufferParam", BufferParam.ToJson(parameters.BufferParam));
//dictionary.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
dictionary.Add("trackingLayerIndex", "-1");
dictionary.Add("userID", string.Format("\"{0}\"", Guid.NewGuid()));
return dictionary;
}
/// <summary>${IS6_BufferQueryService_method_ProcessAsync_D}</summary>
/// <overloads>${IS6_BufferQueryService_method_ProcessAsync_overloads_D}</overloads>
/// <param name="parameters">${IS6_BufferQueryService_method_ProcessAsync_param_parameters}</param>
public void ProcessAsync(BufferQueryParameters parameters)
{
ProcessAsync(parameters, null);
}