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fridi69 · #1 (**permalink**) 07-04-2005

Hi, I'm just starting with MapPoint 2004 and now using it as ActiveX Control in C#.
I browsed a lot of articles and newsgroups but I did not find a simple guideline how to do this by COM:
Add some data (two fields: ZIP-Code, income), display it in zip-code regions and color the regions depending on the income.
Does anybody have an example ? (the progr. language doesn´t matter, the COM methods and fields will be the same).
Thanks in advance,
Friedhelm

**Wilfried** · #2 (**permalink**) 07-04-2005

Hi,

This question has comed up here already. Try to do a search on "income" on this forum, chance is high you find already what you look for.

fridi69 · #3 (**permalink**) 07-04-2005

Hi, I did a search on "income", but the there is nothing that points into my direction. I found some articles, in all of them data is imported from xls or whatever .What I want to do is adding the data by COM. There is a great object model, but what to use - DataSet, DataMap, DataFields. All explained detailled in msdn, but I don´t find a bundled example.

**Wilfried** · #4 (**permalink**) 07-09-2005

Hi,

Ok, but I do not exacly understeand then what you wants to do. Can you explain more ? I understeand you want to add something to a dataset but do not understeand how.. waht..

fridi69 · #5 (**permalink**) 07-10-2005

OK, let me try..

I want to add 10 pairs of data, 1st column is a zip code (or zip area) , the 2nd is an integer value. I want to display the 10 locations as shaded areas and the integer value determines the color of the area.
I can do all this easily in the mappoint GUI with the wizards, but I want to do this by using the COM interface from my app. I managed to read the data from xls files, but tha is not want I want to do.

Thanks in advance,
Friedhelm

**Wilfried** · #6 (**permalink**) 07-11-2005

Hi Friedhelm,

I never used them, but have a look at ImportData or DisplayDataMap methods (one of them shure will do what you wants to do).

fridi69 · #7 (**permalink**) 07-11-2005

Hi,
I managed to import data from xls using
MapPoint.DataSet set1 = map.DataSets.ImportData(...)

After that, I display this set using

Code:

DataMap dataMap = set1.DisplayDataMap(...).

That works. I want to create the DataSet manually. Creating the dataset is easy

Code:

MapPoint.DataSet set2 = map.DataSets.AddPushpinSet("myset");

Now I have to add the "locations" to the set, but don´t know how...

fridi69 · #8 (**permalink**) 07-11-2005

Ok, I took one hurdle:

It seems that there is now way to insert a location into the dataset of my choice. So I create a pushpin that will be added to the standard set by default. Afterwords, I have to move it to my set:

Code:

// create the dataset
MapPoint.DataSet set1 = map.DataSets.AddPushpinSet("Patients");

//resolving the Location using FindAdressResults in a seperate method
MapPoint.Location loc = ...

// create the pushpin
MapPoint.Pushpin pin = map.AddPushpin(loc,"location");
// and move it to set1
pin.MoveTo(set1);

I can even display the set on the map by

Code:

set1.DisplayPushpinMap();

But if I want to display the pins from set1 as a shaded area, I have to use DisplayDataMap() with several parameters.

One of them is the parameter field, which I don´t know how to declare right. All the examples in the web use an internal dataset of demographical data, now a dataset created manually.

Still open: where to add the additional value to determine the color of the area?

**Wilfried** · #9 (**permalink**) 07-20-2005

Hi,

Dont know how to set area color. Did a little search in the help but could not fount it. I hope someone else will drop in here.

btw: tanks for feedback, it benefit others.

Fabio · #10 (**permalink**) 06-16-2006

Hi,

I don't think it's possible to use DisplayDataMap() function with manually created Datasets.
In fact it appears that Fields.Count for pushpinset is always 0.

Byeee

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