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[Invalid Pointer] : what's wrong ?
This is a discussion on [Invalid Pointer] : what's wrong ? within the MapPoint 2006/2009 Discussion forums, part of the Map Forums category; Hello, I've made a VB6 program which include the CalcPos sub made by Gilles Kohl. It was running well until ...
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11-18-2002
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| [Invalid Pointer] : what's wrong ? I've made a VB6 program which include the CalcPos sub made by Gilles Kohl. It was running well until I made some changes but I can't success to go back ;-( I've created a VB6 application which opens a new map. I've inserted a simple button with the following code : Dim objMAP As MapPointCtl.Map Dim objPP As MapPointCtl.Location Dim X As Double Dim Y As Double Set objMAP = Me.ctrlMAPPOINT.ActiveMap Set objPP = objMAP.FindPushpin("21000, DIJON") Call CalcPos(objMAP, objPP, X, Y) MsgBox "X = " & X & vbCrLf & "Y = " & Y, , "IT WORKS !" I obtain a stupid error, Invalid pointer. I've tried with the Dim objMAP As MapPoint.Map Dim objPP As MapPoint.Location instructions but the problem is the same... objPP returns every time a nothing reference ! The code is made for France, but it should works with any place. "21000, DIJON" works fine into MapPoint Regards, Vincent BENNER         |
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11-18-2002
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the "FindPushpin method" finds a pushpin that is already on the map, it is not for creating a pushpin. Use FindResults method insted. Also your DIM objPP as MapPointCTL.location would not have worked for the FindPushpin Method.
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