public void UpdateDataSource()
{
if (BufferResult != null && BufferResult.IsNotEmpty)
{
BufferResult.EndLoadData();
LastFocusRow = gvMain.FocusedRowHandle;
if (BufferResult.Rows.Count > 0)
{
btnExport.Enabled = true;
}
gcMain.DataSource = BufferResult;
gvMain.ExpandAllGroups();
gvMain.FocusedRowHandle = LastFocusRow;
gvMain.Focus();
if (StatisticsInfo.AutoFitWidthColumns != CODES.MODSEARCH.AUTOFITWIDTH.NO)
{
BestFitColumns();
}
}
else
{
gcMain.DataSource = null;
btnExport.Enabled = false;
}
}
public void ExecuteFetchResult()
{
CurrentThread = new WorkerThread(
delegate
{
LockUserAction();
try
{
if (StatisticsInfo.PageMode == CODES.MODSEARCH.PAGEMODE.ALL_FROM_DATASET)
{
BufferResult.GetFullBuffer();
}
else if (StatisticsInfo.PageMode == CODES.MODSEARCH.PAGEMODE.APPEND_FROM_READER)
{
BufferResult.GetMoreRows(SelectedPage);
}
else
{
BufferResult.GetBuffer(SelectedPage);
}
}
catch (Exception ex)
{
ShowError(ex);
}
finally
{
UnLockUserAction();
}
}, this);
CurrentThread.ProcessComplete += ExecuteFetchResult_ProcessComplete;
CurrentThread.Start();
}
public void DisposeLastSearchResult()
{
if (BufferResult != null)
{
BufferResult.Dispose();
BufferResult = null;
}
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
if (BufferResult != null)
{
BufferResult.Dispose();
}
base.Dispose(disposing);
}
public BufferResult NextPage(BufferResult result)
{
var current = (BufferHeader *)((byte *)result.Buffer - BufferHeader.BufferHeaderSize);
var next = (*current).Next;
if (next == null)
{
return(new BufferResult());
}
return(new BufferResult()
{
Length = (*next).Used, Buffer = (IntPtr)BufferHeader.Data(next)
});
}
public void Prepare(DeviceContextHolder holder, bool useMsaa)
{
if (_effect == null)
{
OnInitialize(holder);
}
var width = holder.Width;
var height = holder.Height;
var sampleDescription = useMsaa ? holder.SampleDescription : (SampleDescription?)null;
if (BufferScene.Resize(holder, width, height, sampleDescription))
{
BufferBaseReflection.Resize(holder, width, height, sampleDescription);
BufferResult.Resize(holder, width, height, null);
}
holder.DeviceContext.ClearRenderTargetView(BufferBaseReflection.TargetView, (Color4) new Vector4(0));
}
public void Dispose()
{
BufferScene.Dispose();
BufferResult.Dispose();
BufferBaseReflection.Dispose();
}
public BufferResult NextPage(BufferResult result)
{
var current = (BufferHeader*)((byte*)result.Buffer - BufferHeader.BufferHeaderSize);
var next = (*current).Next;
if (next == null)
return new BufferResult();
return new BufferResult() { Length = (*next).Used, Buffer = (IntPtr)BufferHeader.Data(next) };
}
private async void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
try
{
if (_cts != null)
{
_cts.Cancel();
}
_cts = new CancellationTokenSource();
Graphic clickGraphic = new Graphic();
clickGraphic.Symbol = LayoutRoot.Resources["DefaultMarkerSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
clickGraphic.Geometry = e.MapPoint;
clickGraphic.Geometry.SpatialReference = MyMap.SpatialReference;
_pointAndBufferGraphicsLayer.Graphics.Clear();
_resultsGraphicsLayer.Graphics.Clear();
clickGraphic.SetZIndex(2);
_pointAndBufferGraphicsLayer.Graphics.Add(clickGraphic);
ESRI.ArcGIS.Client.Tasks.BufferParameters bufferParams = new ESRI.ArcGIS.Client.Tasks.BufferParameters()
{
BufferSpatialReference = new SpatialReference(4326),
OutSpatialReference = MyMap.SpatialReference,
Unit = LinearUnit.Meter,
};
bufferParams.Distances.Add(100);
bufferParams.Features.Add(clickGraphic);
BufferResult bufferResult = await _geometryService.BufferTaskAsync(bufferParams, _cts.Token);
Graphic bufferGraphic = new Graphic();
bufferGraphic.Geometry = bufferResult.Results[0].Geometry;
bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
bufferGraphic.SetZIndex(1);
_pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
query.Geometry = bufferGraphic.Geometry;
query.OutFields.Add("OWNERNME1");
QueryResult queryResult = await _queryTask.ExecuteTaskAsync(query, _cts.Token);
if (queryResult.FeatureSet.Features.Count < 1)
{
MessageBox.Show("No features found");
return;
}
foreach (Graphic selectedGraphic in queryResult.FeatureSet.Features)
{
selectedGraphic.Symbol = LayoutRoot.Resources["ParcelSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
_resultsGraphicsLayer.Graphics.Add(selectedGraphic);
}
}
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;
}
}
}
