private void MoveFeature(IFeature pFeature, IPoint lastpoint, IPoint firstpoint)
{
double deltax; double deltay;
IGeoDataset pGeoDataSet;
ITransform2D transform;
IGeometry pGeometry;
IFeatureClass pClass = pFeature.Class as IFeatureClass;
pGeoDataSet = pClass as IGeoDataset;
pGeometry = pFeature.Shape;
if (pGeometry.GeometryType == esriGeometryType.esriGeometryMultiPatch ||
pGeometry.GeometryType == esriGeometryType.esriGeometryPoint ||
pGeometry.GeometryType == esriGeometryType.esriGeometryPolyline ||
pGeometry.GeometryType == esriGeometryType.esriGeometryPolygon)
{
pGeometry = pFeature.Shape;
transform = pGeometry as ITransform2D;
if (!MapManager.CalDistance(lastpoint, firstpoint, out deltax, out deltay))
{
MessageBox.Show("计算距离出现错误", "提示",
MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//根据两点在X轴和Y轴上的距离差，对要素进行移动
transform.Move(deltax, deltay);
pGeometry = (IGeometry)transform;
if (pGeoDataSet.SpatialReference != null)
{
pGeometry.Project(pGeoDataSet.SpatialReference);
}
pFeature.Shape = SupportZMFeatureClass.ModifyGeomtryZMValue(pClass, pGeometry);
//保存移动后的对象
pFeature.Store();
}
}