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Delete pushpins from map

This is a discussion on Delete pushpins from map within the MapPoint Desktop Discussion forums, part of the Map Forums category; Hi, For deleting the pushpins on the map, i found the following code in mapforums site. However, this is not ...

  1. #1
    rowter is offline Member Green Belt
    Join Date
    Aug 2009
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    62

    Delete pushpins from map

    Hi,
    For deleting the pushpins on the map, i found the following code in mapforums site. However, this is not deleting for some reason. It is going through the loop but not deleting.

    For Each objDataSet As MapPoint.DataSet In SplashScreen1.objMap.DataSets
    MessageBox.Show(objDataSet.Name)
    If objDataSet.Name = "My Pushpins" Then
    objDataSet.Delete()
    End If
    Next

    Is there any other way to delete the pushpins from the mappoint?
    Thanks in advance,

  2. #2
    Winwaed's Avatar
    Winwaed is offline Mapping-Tools.com Black Belt
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    Irving,Texas
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    60

    Re: Delete pushpins from map

    That code searches for a pushpin set called "My Pushpins". This is only the name of the default pushpin set. Change the name if you want to delete a different dataset.

    If you want to delete *all* pushpin sets, then check each dataset object's DataMapType property for the value "geoDataMapTypePushpin".

    Eg.

    Code:
    For Each objDataSet As MapPoint.DataSet In SplashScreen1.objMap.DataSets
      If objDataSet.DataMapType = geoDataMapTypePushpin Then
        objDataSet.Delete()
      End If
    Next
    Richard
    Winwaed Software Technology LLC
    http://www.winwaed.com
    See http://www.mapping-tools.com for MapPoint Tools

  3. #3
    rowter is offline Member Green Belt
    Join Date
    Aug 2009
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    62

    Re: Delete pushpins from map

    Hi Richard,

    I tried your code with geodatamaptype set to geoDataMapTypePushpin .
    It gives the following error:
    Name 'geoDataMapTypePushpin' is not declared.
    Do i have to change the datamaptype property of the datasetbefore using this code? If yes, where do i change it?


    Thanks


  4. #4
    rowter is offline Member Green Belt
    Join Date
    Aug 2009
    Posts
    62

    Re: Delete pushpins from map

    Richard,

    I had to add this "MapPoint.GeoDataMapType." before geodatamaptypepushpin. It works now


    For Each objDataSet As MapPoint.DataSet In SplashScreen1.objMap.DataSets
    If objDataSet.DataMapType = MapPoint.GeoDataMapType.geoDataMapTypePushpin Then
    objDataSet.Delete()
    End If
    Next


    Thanks


  5. #5
    Winwaed's Avatar
    Winwaed is offline Mapping-Tools.com Black Belt
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    Irving,Texas
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    Re: Delete pushpins from map

    Makes sense - I copied the code directly from the Help file which didn't include the enumeration's name, but often you need to add it (you do in C++, C# and most "proper" languages!).

    Richard
    Winwaed Software Technology LLC
    http://www.winwaed.com
    See http://www.mapping-tools.com for MapPoint Tools

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