private void PrintLayer(IMapLayer layer, MapArgs args)
{
MapLabelLayer.ClearAllExistingLabels(); //need to do this or labels not drawn on refresh
IMapGroup group = layer as IMapGroup;
if (group != null)
{
foreach (IMapLayer subLayer in group.Layers)
{
PrintLayer(subLayer, args);
}
}
IMapLayer geoLayer = layer;
if (geoLayer != null)
{
if (geoLayer.UseDynamicVisibility)
{
if (ViewExtents.Width > geoLayer.DynamicVisibilityWidth)
{
return; // skip the geoLayer if we are zoomed out too far.
}
}
if (geoLayer.IsVisible == false)
{
return;
}
geoLayer.DrawRegions(args, new List <Extent> {
args.GeographicExtents
});
IMapFeatureLayer mfl = geoLayer as IMapFeatureLayer;
if (mfl != null)
{
if (mfl.UseDynamicVisibility)
{
if (ViewExtents.Width > mfl.DynamicVisibilityWidth)
{
return;
}
}
if (mfl.ShowLabels && mfl.LabelLayer != null)
{
if (mfl.LabelLayer.UseDynamicVisibility)
{
if (ViewExtents.Width > mfl.LabelLayer.DynamicVisibilityWidth)
{
return;
}
}
mfl.LabelLayer.DrawRegions(args, new List <Extent> {
args.GeographicExtents
});
}
}
}
}
public static Bitmap GetBitmap(IMapLayer mapLayer, Extent extent, Rectangle rectangle)
{
Bitmap bmp = new Bitmap(rectangle.Width, rectangle.Height);
using (Graphics graphics = Graphics.FromImage(bmp))
{
MapArgs mapArgs = new MapArgs(rectangle, extent, graphics);
List <Extent> extents = new List <Extent>()
{
extent
};
mapLayer.DrawRegions(mapArgs, extents, false);
}
return(bmp);
}