/// <summary>
/// Pan Geometry.
/// </summary>
/// <param name="geometry">Geometry to pan.</param>
/// <param name="dx">Pan dx.</param>
/// <param name="dy">Pan dy.</param>
/// <returns>New geometry.</returns>
private object _PanGeometry(object geometry, double dx, double dy)
{
Debug.Assert(geometry != null);
Point[] points = null;
if (geometry is Point)
{
Point?pt = geometry as Point?;
points = new Point[] { pt.Value };
}
else if (geometry is PolyCurve)
{
PolyCurve polyCurve = geometry as PolyCurve;
points = polyCurve.GetPoints(0, polyCurve.TotalPointCount);
}
else
{
throw new NotSupportedException();
}
if (points.Length == 1 || !(_editedGraphic is EditMarkerGraphicObject))
{
for (int index = 0; index < points.Length; index++)
{
double newX = points[index].X + dx;
double newY = points[index].Y + dy;
Point point = new Point(newX, newY);
points[index] = point;
}
}
else
{
_PanByEditMarker(points, dx, dy, geometry as PolyCurve);
}
// Create new geometry.
object newGeometry = null;
if (geometry is Point)
{
newGeometry = points[0];
}
else if (geometry is Polygon)
{
newGeometry = new Polygon((geometry as Polygon).Groups, points);
}
else if (geometry is Polyline)
{
newGeometry = new Polyline((geometry as Polyline).Groups, points);
}
else
{
throw new NotSupportedException();
}
return(newGeometry);
}
