internal bool QueryVirtualEarthService(bool asyncQuery)
{
if (string.IsNullOrEmpty(Common.MapCore.TileServerAppId) || Common.MapCore.TileServerAppId.ToUpper(CultureInfo.InvariantCulture) == "(DEFAULT)")
{
lock (TileError)
{
TileError = SR.ProvideBingMapsAppID;
}
return(false);
}
try
{
ImageryMetadataRequest imageryRequest = new ImageryMetadataRequest
{
BingMapsKey = common.MapCore.TileServerAppId,
ImagerySet = VirtualEarthTileSystem.TileSystemToMapStyle(TileSystem),
IncludeImageryProviders = true,
UseHTTPS = true
};
if (asyncQuery)
{
BingMapsService.GetImageryMetadataAsync(imageryRequest, ProcessImageryMetadataResponse, delegate(Exception ex)
{
lock (TileError)
{
TileError = ex.Message;
}
});
}
else
{
Response imageryMetadata = BingMapsService.GetImageryMetadata(imageryRequest);
ProcessImageryMetadataResponse(imageryMetadata);
}
}
catch (Exception ex2)
{
lock (TileError)
{
TileError = ex2.Message;
}
return(false);
}
return(true);
}
internal string GetAttributionStrings()
{
if (TileImageryProviders == null)
{
return(string.Empty);
}
StringBuilder stringBuilder = new StringBuilder();
RectangleF rectangleF = new RectangleF(Common.MapCore.Viewport.GetAbsoluteLocation(), Common.MapCore.Viewport.GetAbsoluteSize());
MapPoint minimumPoint = Common.MapCore.PixelsToGeographic(new PointF(rectangleF.Left, rectangleF.Bottom));
MapPoint maximumPoint = Common.MapCore.PixelsToGeographic(new PointF(rectangleF.Right, rectangleF.Top));
MapBounds a = new MapBounds(minimumPoint, maximumPoint);
int num = Math.Max((int)VirtualEarthTileSystem.LevelOfDetail(Common.MapCore.Viewport.GetGroundResolutionAtEquator()), 1);
ImageryProvider[] array = TileImageryProviders;
foreach (ImageryProvider imageryProvider in array)
{
CoverageArea[] coverageAreas = imageryProvider.CoverageAreas;
foreach (CoverageArea coverageArea in coverageAreas)
{
if (num < coverageArea.ZoomMin || num > coverageArea.ZoomMax)
{
continue;
}
MapBounds b = new MapBounds(new MapPoint(coverageArea.BoundingBox[1], coverageArea.BoundingBox[1]), new MapPoint(coverageArea.BoundingBox[3], coverageArea.BoundingBox[3]));
if (MapBounds.Intersect(a, b))
{
if (stringBuilder.Length > 0)
{
stringBuilder.Append("|");
}
stringBuilder.Append(imageryProvider.Attribution);
break;
}
}
}
return(stringBuilder.ToString());
}
