topic Re: Pan stoped working in ArcGIS API for Silverlight Questions

Pan stoped working

BrianGustafson — Fri, 30 Apr 2010 20:49:36 GMT

In my map I can nolonger pan around or hold shift and zoom in. I can however zoom in using the mouse wheel or prgramatically move the map. Any ideas why this went away?

<esri:Map x:Name="MyMap" MinimumResolution="0.0000000001" Canvas.Left="550" Canvas.Top="20" Width="920" Height="800" Extent="-115.1449, 33.2983, -95.02816, 43.163" IsLogoVisible="False">
                            <esri:Map.Layers>
                                <esri:ArcGISTiledMapServiceLayer ID="BaseMapLayer"
                                    Url="http://server.arcgisonline.com/ArcGIS/rest/services/ESRI_Imagery_World_2D/MapServer"/>
                                <esri:ArcGISDynamicMapServiceLayer ID="MyServiceLayer"
                                    Url="http://arcgisp/ArcGIS/rest/services/Tri-State_GIS_Viewer/MapServer"/>
                            </esri:Map.Layers>
                        </esri:Map>

Re: Pan stoped working

DominiqueBroux — Mon, 03 May 2010 10:01:47 GMT

You can decrease the MinimumResolution parameter but when the resolution is too low you'll get no data coming from the TiledMapService.

/Dominique

Re: Pan stoped working

BrianGustafson — Mon, 03 May 2010 19:39:46 GMT

I am not having trouble with the resolution, that is all working fine. The issue that I am having is that when I click and drag on the map nothing happens.

Re: Pan stoped working

dotMorten_esri — Tue, 04 May 2010 15:00:21 GMT

Did you put some element on top of the map that stretches the entire with and prevents the mousedrag from getting to the map? For instance if you just put a textblock in the grid above the map, it can block these events, even though the text is only at the center. If that's the case, either set IsHitTestVisible=false on that element, and/or change the alignment from the default "Stretch" to something else.

Re: Pan stoped working

BrianGustafson — Tue, 04 May 2010 16:31:21 GMT

There is nothing covering the map. I have turned everything else off but the map and it still is not working. I still can roll the mouse to zoom in and zoom out, but I cannot drag the map or even get the click event to fire when I am on the map. Mouse enter and mouse leave events are working. The map is in a tab control and I have set all of the other tabs hit testable to false and it does not work. After I roll the mouse I can press the arrow keys and move the map but if I press the left mouse button down I can no longer use the arrow keys. currently there is no mouse down event on the map.

Re: Pan stoped working

dotMorten_esri — Tue, 04 May 2010 19:03:22 GMT

Is the map within a ScrollViewer control? ScrollViewer intercepts the mouseevents preventing the map from receiving these events.

Re: Pan stoped working

BrianGustafson — Tue, 04 May 2010 19:07:45 GMT

That was it.

Thanks.

Re: Pan stoped working

VictorStelmasuk — Thu, 24 Jun 2010 11:14:42 GMT

i'm having the same issue here, but my map is the only element on stage. I started a new project to test only with the map and it's behaving exactly like bmgustafson described. What else could be causing this??

Re: Pan stoped working

DominiqueBroux — Thu, 24 Jun 2010 14:08:20 GMT

Do you mean that you can't pan with the template application without any modification?

Is it working with the online samples (e.g http://help.arcgis.com/en/webapi/silverlight/samples/start.htm#Map) ?

Re: Pan stoped working

PLadd — Fri, 09 Jul 2010 18:26:07 GMT

Has anybody figured out a way to use both the scrollviewer and panning. I'm guessing api 2.0 won't be fixing this problem. I'm using beta and I can't pan with scrollviewer above the LayoutRoot grid.

Re: Pan stoped working

DominiqueBroux — Mon, 12 Jul 2010 12:52:06 GMT

Look at sample here: http://resources.esri.com/arcgisserver/apis/silverlight/index.cfm?fa=codeGalleryDetails&scriptID=16969

and discussion here: http://forums.arcgis.com/threads/5285-Map-can-t-be-dragged-in-the-ListBox