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Saving current view of map

This is a discussion on Saving current view of map within the MapPoint Desktop Discussion forums, part of the Map Forums category; My application is used multiple users to view the location of GPS-equipped service trucks. I would like to be able ...

  1. #1
    radiusdude is offline Junior Member White Belt
    Join Date
    Apr 2005
    Posts
    2

    Saving current view of map

    My application is used multiple users to view the location of GPS-equipped service trucks. I would like to be able to select a menu item and save the current view (lat, lon and altitude), so that I can restore the current view the next time the program starts.

    I've tried using XYToLocation to get the location at specific coordinates, but it just doesn't seem to work.

    I think I'm missing something simple. Can anyone help?

    Thanks!

  2. #2
    Wilfried is offline Senior Member Black Belt
    Join Date
    Nov 2004
    Location
    Belgium
    Posts
    2,433
    Hi,

    When application is closing save lat,long,alt using the center of the map as reference:

    Code:
                int x = MP.Width / 2;
                int y = MP.Height / 2;
                Location Loc = MP.ActiveMap.XYToLocation(x, y);
                pos.CalcPos(Loc, out Lat, out Lon);
                Alt = MP.ActiveMap.Altitude;
    When application start restore it:

    Code:
                if (Lat + Lon + Alt != 0)
                    MP.ActiveMap.GoToLatLong(Lat, Lon, Alt);

  3. #3
    radiusdude is offline Junior Member White Belt
    Join Date
    Apr 2005
    Posts
    2
    Thanks for the help - my application can now save and restore a view of the map.

    Thanks again!

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