There is a property CurrentScale, but no other guidance on how to display a scale.

Did you look at the documentation:
[www.mapwindow.org]

Can you make clear what you want to do?

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Paul

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I am using the OCX version, which does not appear to have any AxMap properties or methods.

What I would like is to add a small rulerd scale to the map, so that users can immedieatley get a sense of scale, rather than just having the shapefile view.

I am assuming that I need to do something along the lines of horizontal line, tow or more vertical lines, text to mark the 0 and X m points; and then to work out how long these lines should be to p roduce an intelligent scale. If I have to do the line drawing, so be it - I'd rather have it all packaged up! But the main issue is (i) How do I know the scale, (ii) How do I get sensible numbers out for drawing my own scale.

The ocx is the only place to hold AxMap properties and methods, so you must be doing something wrong.

You can have a look at the scale bar that is created in MapWindow for some guidance.

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Paul

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Paul Meems
The Netherlands
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Release manager, configuration manager and
forum moderator of MapWindow GIS

Owner of MapWindow.nl - Support for
Dutch speaking users: www.mapwindow.nl

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OK. I was relying on the 'Intellisense' with OCX componnetst o revela available properties & methods. I think you are saying that the AxMap properties are available, but not revealed by the Intellisense procedures. I will experiment, then.

Thank you.

Intellisense should work.

What are you trying to do?
Did you add the ocx on a form of your own application?
The name of the ocx-control is your axMap variable.
By default it is axMap1.

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Paul

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Don't forget to read the new documentation: www.mapwindow.org/documentation/mapwingis4.8
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tinyurl.com/mwMonthly 32-Bit
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Paul Meems
The Netherlands
[www.bontepaarden.nl]
Release manager, configuration manager and
forum moderator of MapWindow GIS

Owner of MapWindow.nl - Support for
Dutch speaking users: www.mapwindow.nl

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I have realised that Intellisense did work - I wrote that I found the property CurrentScale, but from the help text I was looking for a property bag called AxMap, with a property within that called CurrentScale. I did not realise that AxMap was not a property name, but an example of the object name. I am used to the object name being in italics, to distinguish it from the property, nad perhaps labeleld as map-object, rather than as AxMap, which looked like a C++/C# convention for a property.

So, I can set the map scale to kilometres, retrieve a magic number that relates to how the scale maps to the screen display. After that I need to experiment with scaling lines based on CurrentScale to see how I can get something that looks like the scale in the desktop MapWindow product.

We had a DOS visualiser of some 2D river modelling results. I need to get the main representation of this working under Windows 7 - I have shape files for the river, towns, etc., and have resolved earlier adding a colour scale, and colour-coding my shapes based on attribute values. Once I add a scale I will be done. I think.