private void editEvents_OnChangeFeature(IObject Object)
{
IFeatureChanges changes = Object as IFeatureChanges;
if (this._bCreateNew)
{
this._bCreateNew = false;
}
else if ((changes != null) && changes.ShapeChanged)
{
if (this._setArea)
{
IFeature pFeature = UniqueInstance.TargetLayer.FeatureClass.GetFeature(Object.OID);
this.SetFeatureArea(pFeature);
}
if (this._checkOverlap && (UniqueInstance.LinageShape == null))
{
IFeature feature = UniqueInstance.TargetLayer.FeatureClass.GetFeature(Object.OID);
if ((feature != null) && !this.CheckFeatureOverlap(feature.ShapeCopy, true))
{
XtraMessageBox.Show("要素与其他要素重叠！");
}
}
}
}
/// <summary>
/// Gets the difference in shape between the original and existing shape.
/// </summary>
/// <param name="source">The source.</param>
/// <returns>
/// Returns a <see cref="IGeometry" /> representing the difference in the shape; otherwise <c>null</c>
/// </returns>
public static IGeometry GetDifference(this IFeature source)
{
if (source == null)
{
return(null);
}
IFeatureChanges featureChanges = (IFeatureChanges)source;
if (featureChanges.ShapeChanged && featureChanges.OriginalShape != null)
{
ITopologicalOperator topologicalOperator = (ITopologicalOperator)source.ShapeCopy;
return(topologicalOperator.Difference(featureChanges.OriginalShape));
}
return(null);
}
public static void FabricGeometryRowChange(ESRI.ArcGIS.Geodatabase.IObject obj)
{
if (obj is IFeature)
{
IFeatureChanges pFeatChanges = obj as IFeatureChanges;
if (!pFeatChanges.ShapeChanged)
{
return;
}
if (pFeatChanges.OriginalShape.IsEmpty) //means new fabric parcel
{
return;
}
}
if (InMemTableExistsForRow(obj))
{
// code for fabric geometry change here
MessageBox.Show("Fabric geometry change");
}
}
/// <summary>
/// Indicates if the shape has changed.
/// </summary>
/// <param name="feature"></param>
/// <returns></returns>
public static bool ShapeChanged(this IFeature feature)
{
IFeatureChanges rowChanges = feature as IFeatureChanges;
return(rowChanges.ShapeChanged);
}