As I do not expect any response on Stackoverflow (.net - Strange effect it seems arcgis (10.2.3) shows tiles of multiple zoom levels - Stack Overflow), I wanted to try it here.
I have to layers one base layer and an overlay layer with transparent tiles containing only seamarks, My XAML looks like that:
<SPAN class="pln"> </SPAN><SPAN class="tag"><esri:MapView</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">x:Name</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">Grid</SPAN><SPAN class="pln">.</SPAN><SPAN class="atn">ColumnSpan</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"2"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">Margin</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"0,0,10,0"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">DragEnter</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView_DragEnter"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">DragLeave</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView_DragLeave"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">MouseDoubleClick</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView_MouseDoubleClick"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">MouseLeftButtonDown</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView_MouseLeftButtonDown"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">MouseLeftButtonUp</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView_MouseLeftButtonUp"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">MouseMove</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMapView_MouseMove"</SPAN><SPAN class="tag">></SPAN><SPAN class="pln"><BR /> </SPAN><SPAN class="tag"><esri:Map</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">x:Name</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"MyMap"</SPAN><SPAN class="pln"> </SPAN><SPAN class="tag">></SPAN><SPAN class="pln"><BR /> </SPAN><SPAN class="tag"><esri:ArcGISTiledMapServiceLayer</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">ID</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"BaseMap"</SPAN><SPAN class="pln"><BR /></SPAN><SPAN class="atn">ServiceUri</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv"><SPAN>"</SPAN><A class="jive-link-external-small" href="http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" rel="nofollow noopener noreferrer" target="_blank">http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer</A><SPAN>"</SPAN></SPAN><SPAN class="tag">/></SPAN><SPAN class="pln"><BR /> </SPAN><SPAN class="tag"><esri:OpenStreetMapLayer</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">ID</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"SeamarkMap"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">DisplayName</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv">"SeamarkMap"</SPAN><SPAN class="pln"> </SPAN><SPAN class="atn">TemplateUri</SPAN><SPAN class="pun">=</SPAN><SPAN class="atv"><SPAN>"</SPAN><A class="jive-link-external-small" href="http://tiles.openseamap.org/seamark/" rel="nofollow noopener noreferrer" target="_blank">http://tiles.openseamap.org/seamark/</A><SPAN>{level}/{col}/{row}.png"</SPAN></SPAN><SPAN class="pln"> </SPAN><SPAN class="tag">/></SPAN><SPAN class="pln"><BR /> </SPAN><SPAN class="tag"></esri:Map></SPAN><SPAN class="pln"><BR /> </SPAN><SPAN class="tag"></esri:MapView></SPAN>
All maks of the SeamarkMap-Layer are rendered but if I zoom in, Images like the attatched one come out. It seems like on a layer Tiles of different zoom levels and scale remain visible. Did I a configuration mistake or is it a Bug?
