Ticket T318609

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Display tooltip for MapControl using WinForms VB.NET

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Silvio Silvio

created 9 years ago (modified 9 years ago)

How do I display a tooltips showing some information for the record on the map control pushpin? In few words, when hover other a pushpin, I would like to see some information for that record. I found several example using WPF but I need to do it in VB using WinForms.

Thanks.

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DevExpress Support Team DevExpress Support Team

created 9 years ago (modified 9 years ago)

Hi Silvio,

Please refer to the "Olympic Medals" demo module (see the C:\Users\Public\Documents\DevExpress Demos 15.1\Components\WinForms\VB\MapMainDemo\Modules folder), where a custom tooltip functionality is implemented. Should you need further clarification, feel free to ask. We will be happy to help you.

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Private Silvio Private Silvio 9 years ago

Alex the demo example is way to complex for my little brain :-) ! Would you be so kind to implement it using my simple attached example?
IF and Only IF I am not asking too much of you, this is what I really would like to do:

Display a different pushpin color (the data table has a TerritoryColor in it for each territory number assigned to a record). If no territory number is assigned then the pushpin should be red. (If to achieve this goal you need to change something to the table feel free to do so).
The tooltip should display the, FullName, Address, Territory and Sort and. The tooltip should look like this:
Full Name: xxx
Address: xxx
Territory #: xxx
Sort: xxx

Customers.zip

Private DevExpress Support Team Private DevExpress Support Team 9 years ago

Hello Silvio,
Here are a few suggestions.

Use Callout objects to represent information.
To show tooltips, use the map item attribute's mapping feature and the ToolTipPattern property (see the attached video).
Use the MapItemFillMapping property to colorize background (see the attached video).
Feel free to contact me if you have further questions. We are ready to help you at any time.

DxVideo.swf DXWebAppli...ation1.zip

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Private Silvio Private Silvio 9 years ago

Hi Maxim, the video use C#, I am using VB. Can you use my attached project file to reproduce it in VB?
Thanks!

Private DevExpress Support Team Private DevExpress Support Team 9 years ago

Silvio,
Here is my VB sample. Please check it. If you have any questions about these features, I will be more than happy to assist you.

NewProjectVB.zip

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Private Silvio Private Silvio 9 years ago

When I open the solution in Visual Studio 2015 the project is gray out in Solution Explorer. What does that mean and how do I fix it?

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Private Silvio Private Silvio 9 years ago

Ah. I figure it out. When double-click on the solution for some reason I had Visual Studio 2010 as default App. I changed it to VS 2015. Thanks!

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Private Silvio Private Silvio 9 years ago

Maxim, I am still having trouble getting it to work in my Solution. I think the problem is with data binding but I am not sure. Can you please work on the file I have attached previously so I can see what I am doing wrong?

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Private Silvio Private Silvio 9 years ago

I got it to work!!! Yay!! The only think I *really* need you help with is the MapItemFillMapping color to use a valid color (e,g, Pink, Plum, Purple, etc) that is found in each record (TerritoryColor in my attachment). Then, if the record has no color listed (TerritoryColor) the default will be red. Randon colors will not work for my project sorry.

Private DevExpress Support Team Private DevExpress Support Team 9 years ago

Hello Silvio,
In case of color names in a database, it is necessary to use a converter. I have attached a video with your sample to illustrate how to enable it. To colorize records with empty TerritoryColor values, it is possible to use the DefaultValue property. I have found an issue with the default color in case of the converter usage and created a separate thread for our developers regarding it.
The DefaultValue property does not work with a converter
Once we have any news about this issue, we will notify you.

DxVideo.swf

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Private Silvio Private Silvio 9 years ago

Thank you Maxim. You are the best!!! Simple enough.

Private DevExpress Support Team Private DevExpress Support Team 9 years ago

You are welcome.

Created: November 30, 2015 4:24 PM

Modified: December 4, 2015 8:07 AM

Platform: WinForms

Product: XtraMap

Build: 15.1.8

IDE: Microsoft Visual Studio 2015

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Display tooltip for MapControl using WinForms VB.NET

Answers approved by DevExpress Support

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