private void PrintInfos(Point location)
{
if (_infoPrinters == null || _infoPrinters.Count == 0)
{
return;
}
Point prjPt = location;
_coordTransfrom.PixelCoord2PrjCoord(ref prjPt);
PointF geoPt = prjPt;
_coordTransfrom.PrjCoord2GeoCoord(ref geoPt);
foreach (IMouseLocationInfoPrinter printer in _infoPrinters)
{
printer.Print(this, location.X, location.Y, prjPt.X, prjPt.Y, geoPt.X, geoPt.Y);
}
}
private Envelope ToGeoEnvelope(IMapRuntime runtime, Envelope currentExtent)
{
ICoordinateTransform coord = runtime as ICoordinateTransform;
ShapePoint[] pts = currentExtent.Points;
coord.PrjCoord2GeoCoord(pts);
double minX = double.MaxValue;
double minY = double.MaxValue;
double maxX = double.MinValue;
double maxY = double.MinValue;
foreach (ShapePoint pt in pts)
{
if (pt.X < minX)
{
minX = pt.X;
}
if (pt.Y < minY)
{
minY = pt.Y;
}
if (pt.X > maxX)
{
maxX = pt.X;
}
if (pt.Y > maxY)
{
maxY = pt.Y;
}
}
Envelope envelope = new Envelope();
envelope.MinX = minX;
envelope.MinY = minY;
envelope.MaxX = maxX;
envelope.MaxY = maxY;
return(envelope);
}