I am drawing some polylines in a layer called Predictions. When I toggle a
button I want all the polylines to disappear. In fact I'm happy to kill the
whole table.
I am using the following code where I have 4 lines of code that I thought
would have wiped the polylines off my map. However, even with all these
different methods, the polylines still stay in view on the map.
For cownt = 1 to NumTables()
If TableInfo(cownt, TAB_INFO_NAME) = "Predictions" Then
Remove Map Layer "Predictions" ' should
remove the layer from the map
Drop Map Predictions ' should get rid of the
map layer completely
Drop Table Predictions ' should delete the
table/layer completely
Update Window WindowID(WIN_MAPPER) ' should
refresh the map window
Exit For
End If
Next
If I zoom in or out, or even open the Layer Control box & press OK, the
polylines from the Predictions layer on the map disappear, so the code
above is actually working, but none of the methods will get rid of the
polylines.
Does anyone know any more methods that will work? I'm almost desperate
enough to force a zoom at the same scale as the map window is already, but
only as a last resort.
I am using MI 8.0 & MB 8.0, but would prefer a solution that will work with
MI 4.5 if possible.
Thanks,
Dave
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