protected virtual void OnErrorSelection(ErrorSelectionEventArgs e)
{
if (ErrorSelection != null)
{
// Invokes the delegates.
ErrorSelection(this, e);
}
}
private void _form_ErrorSelection(object sender, ErrorSelectionEventArgs e)
{
IMap theMap = this.Extension.FocusMap;
try
{
this._selectedErrors = null;
bool bNeedsRefesh = false;
if (this._extraFeedback != null)
{
bNeedsRefesh = true;
IGraphicsContainer theGCont = util.GraphicsHelper.get_GraphicsContainer(theMap);
theGCont.DeleteElement(this._extraFeedback);
this._extraFeedback = null;
}
if (e.SelectedIDs != null)
{
this._selectedErrors = new dao.QAError[e.SelectedIDs.Length];
for (int i = 0; i < this._selectedErrors.Length; i++)
{
this._selectedErrors[i] = this.Extension.QAManager.FindQAError(e.SelectedIDs[i]);
}
}
// We're manipulating the map selection, stop listening to events for a moment
try
{
this._bIgnoreSelectionEvents = true;
IFeatureSelection theFSel = (IFeatureSelection)this.ErrorLayer;
if (this._selectedErrors != null && this._selectedErrors.Length > 0)
{
bNeedsRefesh = true;
IQueryFilter theQF = new QueryFilterClass();
theQF.WhereClause = "OBJECTID in (" + this._selectedErrors[0].ObjectID;
for (int i = 1; i < this._selectedErrors.Length && i < 100; i++)
{
theQF.WhereClause += ", " + this._selectedErrors[i].ObjectID;
}
theQF.WhereClause += ")";
theFSel.SelectFeatures(theQF, esriSelectionResultEnum.esriSelectionResultNew, false);
Application.DoEvents();
}
else if (theFSel.SelectionSet.Count > 0)
{
bNeedsRefesh = true;
IQueryFilter theQF = new QueryFilterClass();
theQF.WhereClause = "OBJECTID < 0";
theFSel.SelectFeatures(theQF, esriSelectionResultEnum.esriSelectionResultNew, false);
Application.DoEvents();
}
}
finally
{
this._bIgnoreSelectionEvents = false;
}
if (this._selectedErrors != null && this._selectedErrors.Length == 1)
{
this._form.SetDetailError(this._selectedErrors[0]);
// Put a graphic on the map
ExtendedInfo theInfo = new ExtendedInfo();
theInfo.ReadXML(this._selectedErrors[0].Error.ExtendedData);
double x1 = double.NaN; double y1 = double.NaN;
double x2 = double.NaN; double y2 = double.NaN;
Hashtable theProperties = theInfo.Properties;
foreach (object key in theProperties.Keys)
{
string strkey = key.ToString().ToUpper();
if (strkey.Equals("FROM POINT X"))
x1 = Convert.ToDouble(theProperties[key]);
else if (strkey.Equals("FROM POINT Y"))
y1 = Convert.ToDouble(theProperties[key]);
else if (strkey.Equals("TO POINT X"))
x2 = Convert.ToDouble(theProperties[key]);
else if (strkey.Equals("TO POINT Y"))
y2 = Convert.ToDouble(theProperties[key]);
}
if (!double.IsNaN(x1) && !double.IsNaN(y1) && !double.IsNaN(x2) && !double.IsNaN(y2))
{
bNeedsRefesh = true;
IPoint p1 = new PointClass();
p1.PutCoords(x1, y1);
p1.Project(this.GeographicReference);
IPoint p2 = new PointClass();
p2.PutCoords(x2, y2);
p2.Project(this.GeographicReference);
object theMissing = Type.Missing;
IPolyline thePolyline = new PolylineClass();
thePolyline.Project(this.GeographicReference);
((IPointCollection)thePolyline).AddPoint(p1, ref theMissing, ref theMissing);
((IPointCollection)thePolyline).AddPoint(p2, ref theMissing, ref theMissing);
thePolyline.Project(theMap.SpatialReference);
IElement theElement = new LineElementClass();
theElement.Geometry = (IGeometry)thePolyline;
ILineSymbol theSym = (ILineSymbol)util.GraphicsHelper.get_SimpleLineSymbol(
util.GraphicsHelper.get_RgbColor(255, 0, 0),
2,
esriSimpleLineStyle.esriSLSSolid);
((ILineElement)theElement).Symbol = theSym;
IGraphicsContainer theGCont = util.GraphicsHelper.get_GraphicsContainer(theMap);
theGCont.AddElement(theElement, 0);
this._extraFeedback = theElement;
}
}
else
this._form.SetDetailError(null);
if (bNeedsRefesh)
{
IActiveView theAV = (IActiveView)this.Extension.FocusMap;
theAV.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, theAV.Extent);
theAV.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, theAV.Extent);
}
}
catch (Exception ex)
{
util.Logger.Write("Exception caught listening to selection change events: " + Environment.NewLine
+ ex.Message + Environment.NewLine + ex.StackTrace);
}
finally
{
Marshal.ReleaseComObject(theMap);
}
}