private void SnapFeature(out IFeature pFeature)
{
pFeature = null;
IFeatureCache featureCacheClass = new FeatureCache();
featureCacheClass.Initialize(SketchShareEx.m_pAnchorPoint, 6);
IFeatureLayer featureLayer = Yutai.ArcGIS.Common.Editor.Editor.CurrentEditTemplate.FeatureLayer;
if (featureLayer.FeatureClass != null)
{
featureCacheClass.AddFeatures(featureLayer.FeatureClass);
if (featureCacheClass.Count != 0)
{
Yutai.ArcGIS.Common.Editor.Editor.GetClosestSelectedFeature(featureCacheClass,
SketchShareEx.m_pAnchorPoint, out pFeature);
}
}
}
public bool SnapPoint(IPoint ipoint_0, IPoint ipoint_1)
{
bool result;
if (!this.bool_0)
{
result = false;
}
else
{
double num = this.double_0;
if (this._appContext != null &&
this.esriEngineSnapToleranceUnits_0 == esriEngineSnapToleranceUnits.esriEngineSnapTolerancePixels)
{
num = this.method_0(this._appContext.MapControl.Map as IActiveView, this.double_0);
if (num == 0.0)
{
num = this.double_0;
}
}
System.Collections.Hashtable hashtable = new System.Collections.Hashtable();
for (int i = 0; i < this.iarray_0.Count; i++)
{
IEngineSnapAgent engineSnapAgent = (IEngineSnapAgent)this.iarray_0.get_Element(i);
IFeatureCache featureCache = null;
if (engineSnapAgent is IFeatureSnapAgent)
{
IFeatureClass featureClass = (engineSnapAgent as IFeatureSnapAgent).FeatureClass;
try
{
featureCache = (hashtable[featureClass] as IFeatureCache);
goto IL_10F;
}
catch
{
goto IL_10F;
}
goto IL_C6;
IL_E9:
(engineSnapAgent as IFeatureSnapAgent).FeatureCache = featureCache;
goto IL_F7;
IL_10F:
if (featureCache != null)
{
goto IL_E9;
}
IL_C6:
featureCache = new FeatureCache();
featureCache.Initialize(ipoint_1, num);
featureCache.AddFeatures(featureClass);
hashtable.Add(featureClass, featureCache);
goto IL_E9;
}
IL_F7:
if (engineSnapAgent.Snap(ipoint_0, ipoint_1, num))
{
result = true;
return(result);
}
}
hashtable.Clear();
result = false;
}
return(result);
}
private bool SnapAll(IPoint pPoint, IAppContext appContext, double torelance, out IPoint snapPoint)
{
IMap focusMap = appContext.FocusMap;
snapPoint = null;
bool result;
if (!appContext.Config.UseSnap)
{
result = false;
}
else
{
if (appContext.Config.IsSnapSketch)
{
IHitTest hitTest = SketchToolAssist.m_pPointColn as IHitTest;
if (hitTest != null)
{
double num = 0.0;
int num2 = 0;
int num3 = 0;
bool flag = false;
IPoint point = new Point();
if (hitTest.HitTest(pPoint, torelance, esriGeometryHitPartType.esriGeometryPartVertex, point,
ref num, ref num2, ref num3, ref flag))
{
snapPoint = point;
string toolTip = "草图:折点";
ApplicationRef.Application.SetToolTip(toolTip);
result = true;
return(result);
}
}
}
IEnumLayer enumLayer = focusMap.get_Layers(new UID
{
Value = "{6CA416B1-E160-11D2-9F4E-00C04F6BC78E}"
}, true);
enumLayer.Reset();
enumLayer.Next();
IFeatureCache2 featureCache = new FeatureCache() as IFeatureCache2;
featureCache.Initialize(pPoint, torelance);
try
{
featureCache.AddLayers(enumLayer, (appContext.MapControl.ActiveView as IActiveView).Extent);
}
catch
{
}
if (featureCache.Count == 0)
{
result = false;
}
else
{
if (appContext.Config.IsSnapPoint)
{
snapPoint = this.SnapPoint(pPoint, featureCache, torelance);
if (snapPoint != null)
{
result = true;
return(result);
}
}
if (appContext.Config.IsSnapIntersectionPoint)
{
snapPoint = this.SnapIntersectPoint(pPoint, featureCache, torelance);
if (snapPoint != null)
{
result = true;
return(result);
}
}
if (appContext.Config.IsSnapEndPoint)
{
snapPoint = this.SnapEndPoint(pPoint, featureCache, torelance);
if (snapPoint != null)
{
result = true;
return(result);
}
}
if (appContext.Config.IsSnapVertexPoint)
{
snapPoint = this.SnapVertexPoint(pPoint, featureCache, torelance);
if (snapPoint != null)
{
result = true;
return(result);
}
}
if (appContext.Config.IsSnapMiddlePoint)
{
snapPoint = this.SnapMiddlePoint(pPoint, featureCache, torelance);
if (snapPoint != null)
{
result = true;
return(result);
}
}
if (appContext.Config.IsSnapBoundary)
{
snapPoint = this.SnapBoundary(pPoint, featureCache, torelance);
if (snapPoint != null)
{
result = true;
return(result);
}
}
result = false;
}
}
return(result);
}
