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Methode Delete

This is a discussion on Methode Delete within the Development forums, part of the MapPoint Desktop Discussion category; hi, i like to Delete some Waypoints Code: // // no :Directions() when not :Calculate() // ::oMap:ActiveMap:ActiveRoute:Calculate() // // how ...

  1. #1
    Auge_Ohr's Avatar
    Auge_Ohr is offline Member Green Belt
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    Methode Delete

    hi,

    i like to Delete some Waypoints
    Code:
       //
       // no :Directions() when not :Calculate()
       //
       ::oMap:ActiveMap:ActiveRoute:Calculate()
       //
       // how many Waypoints
       //
       imax := ::oMap:ActiveMap:ActiveRoute:Waypoints:Count()
       IF imax > 1
          FOR i := iMax TO 1 STEP -1
       //
       // works fine until Delete ...
       //
         nAction := ;
         ::oMap:ActiveMap:ActiveRoute:Directions:Item(i):getProperty("Action")
       //
       // now analyse GeoDirectionAction Value
       // if need Delete Waypoint
    ...
         ::oMap:ActiveMap:ActiveRoute:Waypoints:Item(i):callMethod("Delete")
       //
       // just for Debug, seem to work ok
       //
       nDebug := ::oMap:ActiveMap:ActiveRoute:Waypoints:Count()
    
       NEXT
    ...
    the Code work as long i DO NOT Delete a Waypoints:Item but than next
    iteration it crash at :getProperty("Action"), why

    can someone give me a Light ?

  2. #2
    Wilfried is offline Senior Member Black Belt
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    Nov 2004
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    Belgium
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    Re: Methode Delete

    Hi,

    I never tried it, but possible you have to clear the active route first, then delete the waypoints then calculate the route again.

  3. #3
    Auge_Ohr's Avatar
    Auge_Ohr is offline Member Green Belt
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    Hamburg, Germany
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    Re: Methode Delete

    hi,
    Quote Originally Posted by Wilfried View Post
    I never tried it, but possible you have to clear the active route first, then delete the waypoints then calculate the route again.
    ths for Idee, i will try it.

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