public void RefreshSnapAgent(List <SnapAgent> pSnapAgents, bool pSnapTip)
{
IEngineSnapEnvironment environment = this._editor as IEngineSnapEnvironment;
environment.ClearSnapAgents();
this._snapLayers.Clear();
foreach (SnapAgent agent in pSnapAgents)
{
try
{
esriGeometryHitPartType esriGeometryPartNone = esriGeometryHitPartType.esriGeometryPartNone;
if (agent.Vertex)
{
esriGeometryPartNone ^= esriGeometryHitPartType.esriGeometryPartVertex;
}
if (agent.Edge)
{
esriGeometryPartNone ^= esriGeometryHitPartType.esriGeometryPartBoundary;
}
if (agent.EndPoint)
{
esriGeometryPartNone ^= esriGeometryHitPartType.esriGeometryPartEndpoint;
}
if (esriGeometryPartNone != esriGeometryHitPartType.esriGeometryPartNone)
{
IEngineFeatureSnapAgent snapAgent = new EngineFeatureSnapClass
{
FeatureClass = agent.FeatureLayer.FeatureClass,
HitType = esriGeometryPartNone
};
environment.AddSnapAgent(snapAgent);
this._snapLayers.Add(agent.FeatureLayer);
}
}
catch
{
}
}
((IEngineEditProperties2)this._editor).SnapTips = pSnapTip;
}
public void InitSnapEnvironment()
{
SnapConfigControl.LayerSnapInfo element;
int i;
int hitType;
FeatureSnapAgent featureSnapAgent;
try
{
double num = double.Parse(this.txtRadio.Text);
if (num <= 0)
{
MessageBox.Show("数据输入错误!");
}
else if (this.m_pEngineSnapEnvironment == null)
{
this.m_pSnapEnvironment.SnapTolerance = num;
}
else
{
this.m_pEngineSnapEnvironment.SnapTolerance = num;
}
}
catch
{
MessageBox.Show("数据输入错误!");
}
if (this.m_pEngineSnapEnvironment == null)
{
this.m_pSnapEnvironment.SnapToleranceUnits =
(esriEngineSnapToleranceUnits)this.cboSnapUnits.SelectedIndex;
ApplicationRef.Application.UseSnap = this.chkStartSnap.Checked;
this.m_pSnapEnvironment.ClearSnapAgents();
for (i = 0; i < this.m_pArray.Count; i++)
{
element = (SnapConfigControl.LayerSnapInfo) this.m_pArray.Element[i];
hitType = element.HitType;
if (hitType != 0)
{
featureSnapAgent = new FeatureSnapAgent()
{
FeatureClass = element.Layer.FeatureClass,
GeometryHitType = hitType
};
this.m_pSnapEnvironment.AddSnapAgent(featureSnapAgent);
}
if (element.bVerticalSnap)
{
featureSnapAgent = new FeatureSnapAgent()
{
FeatureClass = element.Layer.FeatureClass
};
this.m_pSnapEnvironment.AddSnapAgent(featureSnapAgent);
}
}
}
else
{
this.m_pEngineSnapEnvironment.ClearSnapAgents();
this.m_pEngineSnapEnvironment.SnapToleranceUnits =
(esriEngineSnapToleranceUnits)this.cboSnapUnits.SelectedIndex;
for (i = 0; i < this.m_pArray.Count; i++)
{
element = (SnapConfigControl.LayerSnapInfo) this.m_pArray.Element[i];
hitType = element.HitType;
if (hitType != 0)
{
IEngineFeatureSnapAgent engineFeatureSnapClass = new EngineFeatureSnapClass()
{
FeatureClass = element.Layer.FeatureClass,
HitType = (esriGeometryHitPartType)hitType
};
this.m_pEngineSnapEnvironment.AddSnapAgent(engineFeatureSnapClass);
}
if (element.bVerticalSnap)
{
featureSnapAgent = new FeatureSnapAgent();
featureSnapAgent.FeatureClass = element.Layer.FeatureClass;
}
}
}
}
