# I have a question

**URL:** <https://mapwindow.discourse.group/t/i-have-a-question/47>\
**Category:** MapWinGIS\
**Created:** [February 1, 2019, 6:21am UTC](https://mapwindow.discourse.group/t/i-have-a-question/47 "2019-02-01T06:21:15Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![YitianJiang](https://avatars.discourse-cdn.com/v4/letter/y/f19dbf/32.png) [@YitianJiang](https://mapwindow.discourse.group/u/YitianJiang)\
**Post date:** [February 1, 2019, 6:21am UTC](https://mapwindow.discourse.group/t/i-have-a-question/47/1 "2019-02-01T06:21:15Z")

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How to create a polygon with specified color

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**Author:** ![YitianJiang](https://avatars.discourse-cdn.com/v4/letter/y/f19dbf/32.png) [@YitianJiang](https://mapwindow.discourse.group/u/YitianJiang)\
**Post date:** [February 1, 2019, 6:33am UTC](https://mapwindow.discourse.group/t/i-have-a-question/47/2 "2019-02-01T06:33:54Z")

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when I pasted the code “CreatePolygonShapefile.cs” to my project, the map background from the OpenStreetMap Map Server gone

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**Author:** ![YitianJiang](https://avatars.discourse-cdn.com/v4/letter/y/f19dbf/32.png) [@YitianJiang](https://mapwindow.discourse.group/u/YitianJiang)\
**Post date:** [February 1, 2019, 7:09am UTC](https://mapwindow.discourse.group/t/i-have-a-question/47/3 "2019-02-01T07:09:36Z")

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I got it ,I set the radius too small ,when I set it to 1000000,use axMap1.Projection = tkMapProjection.PROJECTION\_GOOGLE\_MERCATOR;  
I can see the circle in the map ![QQ%E5%9B%BE%E7%89%8720190201150900](https://global.discourse-cdn.com/free1/uploads/mapwindow1/original/1X/d56debdfb5fa21a1fb8a96f584a780f93c219bb8.png)

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**Author:** ![pmeems](https://yyz2.discourse-cdn.com/free1/user_avatar/mapwindow.discourse.group/pmeems/32/9_2.png) [@pmeems](https://mapwindow.discourse.group/u/pmeems)\
**Post date:** [March 22, 2019, 8:21am UTC](https://mapwindow.discourse.group/t/i-have-a-question/47/4 "2019-03-22T08:21:33Z")

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I’m glad you figured it out.

I’ll close this question now.

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**Author:** ![pmeems](https://yyz2.discourse-cdn.com/free1/user_avatar/mapwindow.discourse.group/pmeems/32/9_2.png) [@pmeems](https://mapwindow.discourse.group/u/pmeems)\
**Post date:** [March 22, 2019, 8:21am UTC](https://mapwindow.discourse.group/t/i-have-a-question/47/5 "2019-03-22T08:21:37Z")

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