# MapWinGIS **URL:** https://mapwindow.discourse.group/c/mapwingis/8.md [Latest](https://mapwindow.discourse.group/latest.md) · [Categories](https://mapwindow.discourse.group/categories.md) --- ## [New work for MapWinGIS on the way](https://mapwindow.discourse.group/t/new-work-for-mapwingis-on-the-way/1891)
**Author:** [@pmeems](https://mapwindow.discourse.group/u/pmeems)\ **Replies:** 1\ **Last updated:** [August 18, 2026, 5:18am UTC](https://mapwindow.discourse.group/t/new-work-for-mapwingis-on-the-way/1891 "2026-08-18T05:18:19Z")
The MapWinGIS project has been dormant for a while, but @Daniel\_Heden is currently working on several fixes that could soon lead to a new version of MapWinGIS. Keep an eye on this forum and our LinkedIn group for update… --- ## [I just released the stable release of MapWinGIS v5.3](https://mapwindow.discourse.group/t/i-just-released-the-stable-release-of-mapwingis-v5-3/1183)
**Author:** [@pmeems](https://mapwindow.discourse.group/u/pmeems)\ **Replies:** 14\ **Last updated:** [February 7, 2024, 2:54pm UTC](https://mapwindow.discourse.group/t/i-just-released-the-stable-release-of-mapwingis-v5-3/1183 "2024-02-07T14:54:05Z")
I just released the stable release of MapWinGIS v5.3 Please download and try it, and let us know on this forum if you run into trouble. Most work has been done by @jerryfaust --- ## [About the MapWinGIS category](https://mapwindow.discourse.group/t/about-the-mapwingis-category/14)
**Author:** [@pmeems](https://mapwindow.discourse.group/u/pmeems)\ **Replies:** 0
This forum category is for MapWinGIS developers in general. When you have questions about the code of MapWinGIS and/or how to build it, this is the right place. Other categories are available for MW5. --- ## [How to set arcgis custom provider](https://mapwindow.discourse.group/t/how-to-set-arcgis-custom-provider/1874)
**Author:** [@Henry32](https://mapwindow.discourse.group/u/Henry32)\ **Replies:** 4\ **Last updated:** [November 17, 2025, 10:12pm UTC](https://mapwindow.discourse.group/t/how-to-set-arcgis-custom-provider/1874 "2025-11-17T22:12:12Z")
Hi, in a simple project I’m trying to use arcgis as a basemap, but I can’t display the map. Here’s my code: (https://mapwindow.discourse.group/t/use-arcgis-custom-provider/164/2) private void btnLoadBasemap\_Clic… --- ## [Shape Highliting with codebehind](https://mapwindow.discourse.group/t/shape-highliting-with-codebehind/1872)
**Author:** [@murathankocan](https://mapwindow.discourse.group/u/murathankocan)\ **Replies:** 0\ **Last updated:** [October 15, 2025, 10:08am UTC](https://mapwindow.discourse.group/t/shape-highliting-with-codebehind/1872 "2025-10-15T10:08:30Z")
Consider a form in C# with a list on the left and a MapWinGIS map on the right. The list on the left contains the shapes of a ShapeFile object that is displayed on the map on the right. I want the shapes on the map to be… --- ## [Tiles not downloading from vb.net program](https://mapwindow.discourse.group/t/tiles-not-downloading-from-vb-net-program/1871)
**Author:** [@mikep](https://mapwindow.discourse.group/u/mikep)\ **Replies:** 0\ **Last updated:** [October 15, 2025, 8:55am UTC](https://mapwindow.discourse.group/t/tiles-not-downloading-from-vb-net-program/1871 "2025-10-15T08:55:04Z")
I have a vb.net project which has been running for 10+ years. Recently users have been reporting that new tiles are no longer being downloaded. Saved tiles work fine. We experienced a similar issue in about 2020 and that… --- ## [Select single Shape when click on map](https://mapwindow.discourse.group/t/select-single-shape-when-click-on-map/1865)
**Author:** [@murathankocan](https://mapwindow.discourse.group/u/murathankocan)\ **Replies:** 1\ **Last updated:** [September 20, 2025, 10:28pm UTC](https://mapwindow.discourse.group/t/select-single-shape-when-click-on-map/1865 "2025-09-20T22:28:58Z")
I placed 10,000 points on the Map object. There is no problem with that, and I can also perform rectangle selection. However, when I zoom out, the number of visible points decreases. My first question is: Is there som… --- ## [Problem GdalRasterWarp()](https://mapwindow.discourse.group/t/problem-gdalrasterwarp/1861)
**Author:** [@josimar.alves](https://mapwindow.discourse.group/u/josimar.alves)\ **Replies:** 0\ **Last updated:** [July 25, 2025, 7:01pm UTC](https://mapwindow.discourse.group/t/problem-gdalrasterwarp/1861 "2025-07-25T19:01:29Z")
Hi Jerrry, I using the GdalRasterWarp() to creat a new DEM grid with a new cell size (from 30 to 10 meters) and I got strange results. In the picture the gray area is the input grid and the colored area is the area add… --- ## [Merge Two Geotiff Grids](https://mapwindow.discourse.group/t/merge-two-geotiff-grids/1810)
**Author:** [@josimar.alves](https://mapwindow.discourse.group/u/josimar.alves)\ **Replies:** 4\ **Last updated:** [July 25, 2025, 6:42pm UTC](https://mapwindow.discourse.group/t/merge-two-geotiff-grids/1810 "2025-07-25T18:42:48Z")
Does anyone know how I can merge two geotiff GRIDs using MW OCX? I’m trying to do this in Pascal/Delphi, but have had no success using it with the GRIDMERGE function. Is there another way to do this, using GDAL? I wou… --- ## [LIBEAY32 crashes on x64 version](https://mapwindow.discourse.group/t/libeay32-crashes-on-x64-version/1598)
**Author:** [@nnikos123](https://mapwindow.discourse.group/u/nnikos123)\ **Replies:** 1\ **Last updated:** [June 25, 2025, 8:38am UTC](https://mapwindow.discourse.group/t/libeay32-crashes-on-x64-version/1598 "2025-06-25T08:38:31Z")
Hello I am experiencing app crashes related to the LIBEAY32 module the extract from the windows event viewer has the following entry: Faulting application name: NLogManager.exe, version: 1.0.0.0, time stamp: 0x64c6002… --- ## [Grid change color scheme not working](https://mapwindow.discourse.group/t/grid-change-color-scheme-not-working/1858)
**Author:** [@josimar.alves](https://mapwindow.discourse.group/u/josimar.alves)\ **Replies:** 1\ **Last updated:** [June 24, 2025, 2:59pm UTC](https://mapwindow.discourse.group/t/grid-change-color-scheme-not-working/1858 "2025-06-24T14:59:19Z")
Hello, I have a DEM with TIFF format and a color scheme. I’m trying to change the color scheme to other color scheme but after it\`s not work. I note that property ImageColorScheme of Image is not changed after I set the… --- ## [Add WMS Service failed](https://mapwindow.discourse.group/t/add-wms-service-failed/1790)
**Author:** [@Archangel](https://mapwindow.discourse.group/u/Archangel)\ **Replies:** 11\ **Last updated:** [June 5, 2025, 12:24pm UTC](https://mapwindow.discourse.group/t/add-wms-service-failed/1790 "2025-06-05T12:24:15Z")
Hello, I can’t reach my goal with your insertion of WMS services in my vb.net Application. Since Bing will soon be shut down, I need another aerial image source. I would like to use this one: LGLN-Bestand or Google, if… --- ## [How to solve: System.Windows.Forms.AxHost.InvalidActiveXStateException](https://mapwindow.discourse.group/t/how-to-solve-system-windows-forms-axhost-invalidactivexstateexception/1799)
**Author:** [@Charly](https://mapwindow.discourse.group/u/Charly)\ **Replies:** 15\ **Last updated:** [May 31, 2025, 2:42pm UTC](https://mapwindow.discourse.group/t/how-to-solve-system-windows-forms-axhost-invalidactivexstateexception/1799 "2025-05-31T14:42:12Z")
Hello In the past, I developped a MapWinGIS program using C# under 32 bit. I use “axMap…”. It works perfectly. Now I am using 64 bit (Visual Studio 2022 & MapWinGIS 5.3.0.0). I succeed to create the rebuild solution w… --- ## [GDAL OGRSurface](https://mapwindow.discourse.group/t/gdal-ogrsurface/1855)
**Author:** [@josimar.alves](https://mapwindow.discourse.group/u/josimar.alves)\ **Replies:** 0\ **Last updated:** [May 29, 2025, 7:19pm UTC](https://mapwindow.discourse.group/t/gdal-ogrsurface/1855 "2025-05-29T19:19:19Z")
Hi, I’m trying to create a surface from a terrain GRID using MW and GDAL. I found the TIN class in NW but there’s no example code that I can start from, and also I found that exists GDALSurface class in GDAL that have … --- ## [Working with MapWingIS when scaling in Windows](https://mapwindow.discourse.group/t/working-with-mapwingis-when-scaling-in-windows/1849)
**Author:** [@mainxt](https://mapwindow.discourse.group/u/mainxt)\ **Replies:** 3\ **Last updated:** [May 25, 2025, 5:13pm UTC](https://mapwindow.discourse.group/t/working-with-mapwingis-when-scaling-in-windows/1849 "2025-05-25T17:13:56Z")
Hello. I bought myself a new monitor, 27 inches 2K, for normal work with programs and fonts, set the scaling to 125%. And MapWinGIS began not just to slow down, it began to freeze, Redraw Time 5-6 seconds. Is it possibl… --- ## [ShapeEditor.AddPoint](https://mapwindow.discourse.group/t/shapeeditor-addpoint/1821)
**Author:** [@HollidayHT](https://mapwindow.discourse.group/u/HollidayHT)\ **Replies:** 3\ **Last updated:** [April 18, 2025, 2:26pm UTC](https://mapwindow.discourse.group/t/shapeeditor-addpoint/1821 "2025-04-18T14:26:53Z")
The ShapeEditor.AddPoint function does work as expected. When calling the AddPoint function it appears a new part is being added to the shape. I asked about this several years ago and I believe it has to do with Digitiz… --- ## [Here.com maps are blank with Zoom 8 and above](https://mapwindow.discourse.group/t/here-com-maps-are-blank-with-zoom-8-and-above/1816)
**Author:** [@swhowiedash](https://mapwindow.discourse.group/u/swhowiedash)\ **Replies:** 1\ **Last updated:** [March 14, 2025, 5:24am UTC](https://mapwindow.discourse.group/t/here-com-maps-are-blank-with-zoom-8-and-above/1816 "2025-03-14T05:24:12Z")
I am using MapwinGis in Visual Foxpro 9 and am looking to switch to Here.com tile provider 10 since Microsoft is being deprecated. When I use Here.com, all works well if I’m zoomed out 7 or below. However, as I zoom in … --- ## [MouseDown Event not firing in Class Library](https://mapwindow.discourse.group/t/mousedown-event-not-firing-in-class-library/1814)
**Author:** [@jota52](https://mapwindow.discourse.group/u/jota52)\ **Replies:** 3\ **Last updated:** [February 10, 2025, 4:35am UTC](https://mapwindow.discourse.group/t/mousedown-event-not-firing-in-class-library/1814 "2025-02-10T04:35:05Z")
Hi ! I have a vb.net class library with mapwin ocx inside a splitcontainer panel . When using the library in an application the mousedown, mouseup and mousemove events do no fire. After adding the layers we add: AxMap1.… --- ## [EOX Sentinel-2 as custom tile provider](https://mapwindow.discourse.group/t/eox-sentinel-2-as-custom-tile-provider/1813)
**Author:** [@JohnTz](https://mapwindow.discourse.group/u/JohnTz)\ **Replies:** 0\ **Last updated:** [January 28, 2025, 1:31pm UTC](https://mapwindow.discourse.group/t/eox-sentinel-2-as-custom-tile-provider/1813 "2025-01-28T13:31:46Z")
Hi All I was wondering if anyone has managed to successfully use Sentinel 2 images (from EOX – see https://s2maps.eu/ or any other source) as a custom tile provider in mapwingis? I have been successful in displaying the… --- ## [Need help with MapWinGIS (5.3) in vb.NET (VS2017)](https://mapwindow.discourse.group/t/need-help-with-mapwingis-5-3-in-vb-net-vs2017/1806)
**Author:** [@schufti](https://mapwindow.discourse.group/u/schufti)\ **Replies:** 1\ **Last updated:** [December 14, 2024, 11:17am UTC](https://mapwindow.discourse.group/t/need-help-with-mapwingis-5-3-in-vb-net-vs2017/1806 "2024-12-14T11:17:53Z")
Hi there, I have basics of my wanted functionality running but now I am stuck with following problems: there is some “autoZoom” when adding a new layer that I want to get rid as there is .ZoomToLayer() if needed someh… --- ## [How to RemoveLayer?](https://mapwindow.discourse.group/t/how-to-removelayer/1718)
**Author:** [@thesorus](https://mapwindow.discourse.group/u/thesorus)\ **Replies:** 2\ **Last updated:** [December 14, 2024, 11:12am UTC](https://mapwindow.discourse.group/t/how-to-removelayer/1718 "2024-12-14T11:12:06Z")
Hi, Everyone, good afternoon. I tried to load and remove layer. But after remove layer(ex DEM) then the map removed together. Please let me know how to remain the map after removelayer(DEM). Thank you. below are cod… --- ## [Bing Maps service will end on June 30 2024](https://mapwindow.discourse.group/t/bing-maps-service-will-end-on-june-30-2024/1736)
**Author:** [@jota52](https://mapwindow.discourse.group/u/jota52)\ **Replies:** 16\ **Last updated:** [December 13, 2024, 3:52pm UTC](https://mapwindow.discourse.group/t/bing-maps-service-will-end-on-june-30-2024/1736 "2024-12-13T15:52:52Z")
Since Microsoft is ending Bing Maps, will MapWinGIS work with Azure Maps as a tileprovider ? --- ## [Install doesn't work on Win7 / VB6](https://mapwindow.discourse.group/t/install-doesnt-work-on-win7-vb6/1734)
**Author:** [@MWonWin7](https://mapwindow.discourse.group/u/MWonWin7)\ **Replies:** 1\ **Last updated:** [December 12, 2024, 8:00pm UTC](https://mapwindow.discourse.group/t/install-doesnt-work-on-win7-vb6/1734 "2024-12-12T20:00:55Z")
Run MapWinGIS-only-v5.3.0.0-Win32-VS2017.exe on Windows 7 but the component doesn’t show up in VB6 Try to manually register mapwingis.ocx and it gives error: “The module “.\\mapwingis.ocx” was loaded but the call to DllR… --- ## [MapWindGIS Installation in Delphi](https://mapwindow.discourse.group/t/mapwindgis-installation-in-delphi/1804)
**Author:** [@Macebo](https://mapwindow.discourse.group/u/Macebo)\ **Replies:** 0\ **Last updated:** [December 12, 2024, 3:42pm UTC](https://mapwindow.discourse.group/t/mapwindgis-installation-in-delphi/1804 "2024-12-12T15:42:57Z")
Hi All I kinldy request assistance, The TileProvider is 0 in Delphi 12 CE with no hosting servcies. I installed the 32 exe as my current delphi project will run on 32 bit. my pc is 64 bit though. I tried the 64 bit, bu … --- ## [GDAL gdallocationinfo](https://mapwindow.discourse.group/t/gdal-gdallocationinfo/1801)
**Author:** [@josimar.alves](https://mapwindow.discourse.group/u/josimar.alves)\ **Replies:** 0\ **Last updated:** [December 10, 2024, 4:36pm UTC](https://mapwindow.discourse.group/t/gdal-gdallocationinfo/1801 "2024-12-10T16:36:22Z")
Hi, I’m lookink for a GDAL function “gdallocationinfo” in MW and I didn’t find it. (gdallocationinfo — GDAL documentation ) Does anyone know if it’s implemented in MW? Thanks. --- ## [Application Crashing](https://mapwindow.discourse.group/t/application-crashing/1760)
**Author:** [@rtdodge78](https://mapwindow.discourse.group/u/rtdodge78)\ **Replies:** 1\ **Last updated:** [November 18, 2024, 10:43pm UTC](https://mapwindow.discourse.group/t/application-crashing/1760 "2024-11-18T22:43:17Z")
Greetings, I’m not sure where else to address this issue. I’m experiencing a problem with the Log Name: Application Source: Application Error Date: 7/9/2024 9:12:21 AM Event ID: 1000 Task… --- ## [Using Tile Databases created with MOBAC](https://mapwindow.discourse.group/t/using-tile-databases-created-with-mobac/1788)
**Author:** [@Bob\_Pgh](https://mapwindow.discourse.group/u/Bob_Pgh)\ **Replies:** 0\ **Last updated:** [November 1, 2024, 6:47pm UTC](https://mapwindow.discourse.group/t/using-tile-databases-created-with-mobac/1788 "2024-11-01T18:47:09Z")
I’ve used Mobile Atlas Creator many times with other apps to create an SQLite DB containing tile data. All the formats it supports are a little different from the .DB3 format that MapWinGIS is creating when caching til… --- ## [Rosreestr doesn't work](https://mapwindow.discourse.group/t/rosreestr-doesnt-work/1785)
**Author:** [@Urtusar](https://mapwindow.discourse.group/u/Urtusar)\ **Replies:** 0\ **Last updated:** [October 24, 2024, 12:04pm UTC](https://mapwindow.discourse.group/t/rosreestr-doesnt-work/1785 "2024-10-24T12:04:18Z")
Hello, I’m new in MapWinGIS, I wanted to choose a tkTileprovider.Rosreestr, but it doesn’t work, can I fix it, or is it a problem on the Rosreestr side? Another tkTileproviders work. --- ## [Issuse with MouseDown and MouseUp](https://mapwindow.discourse.group/t/issuse-with-mousedown-and-mouseup/1772)
**Author:** [@rtdodge78](https://mapwindow.discourse.group/u/rtdodge78)\ **Replies:** 0\ **Last updated:** [September 2, 2024, 6:13pm UTC](https://mapwindow.discourse.group/t/issuse-with-mousedown-and-mouseup/1772 "2024-09-02T18:13:47Z")
I am experiencing some rather strange behavior with the AxMap OCX control. I am using version 5.2.4. I am not using version 5.3 as it constantly crashes. I am attempting to set up and use the drag feature. At the sta… --- ## [LineInterpolatePoint function do not work properly](https://mapwindow.discourse.group/t/lineinterpolatepoint-function-do-not-work-properly/1764)
**Author:** [@josimar.alves](https://mapwindow.discourse.group/u/josimar.alves)\ **Replies:** 2\ **Last updated:** [July 24, 2024, 12:14pm UTC](https://mapwindow.discourse.group/t/lineinterpolatepoint-function-do-not-work-properly/1764 "2024-07-24T12:14:20Z")
Hello. The LineInterpolatePoint return a point at the specified distance (or percentage) along the specified line. The parameters are: sourceLine: Polyline shape to traverse startPoint: Starting point along ‘sourceLin… [Next page](https://mapwindow.discourse.group/c/mapwingis/8.md?page=1)