Created Unassigned: Multiple point and images in one layer [25405]

```
public void LoadMarkers()
{
try
{
//uxMap represents the DotSpatial.Control.Map instance

double[] dd1 = new double[] { 4.99, 52.673321 };
double[] dd2 = new double[] { 5.21, 52.912433 };
double[] dd3 = new double[] { 5.82, 53.581653 };

List<double[]> list = new List<double[]>();
list.Add(dd1);
list.Add(dd2);
list.Add(dd3);

//Do something similar with images
Image img1 = Image.FromFile(@"C:\file1.png");
Image img2 = Image.FromFile(@"C:\file2.png");
Image img3 = Image.FromFile(@"C:\file3.png");

List<Image> listImg = new List<Image>();
listImg.Add(img1);
listImg.Add(img2);
listImg.Add(img3);

FeatureSet pointCoords = new FeatureSet(DotSpatial.Topology.FeatureType.Point);
pointCoords.Projection = uxMap.Projection;

DataColumn column1 = new DataColumn("ID");
DataColumn column2 = new DataColumn("label");

pointCoords.DataTable.Columns.Add(column1);
pointCoords.DataTable.Columns.Add(column2);

pointCoords.Projection = uxMap.Projection;

DotSpatial.Symbology.IFeatureLayer fl = uxMap.Layers.Add(pointCoords);
MapLabelLayer ll = new MapLabelLayer();

fl.LegendText = "<My Layer Name>";
fl.LabelLayer = ll;

ll.Symbolizer = new DotSpatial.Symbology.LabelSymbolizer
{
FontFamily = "Tahoma",
FontColor = Color.Black,
FontSize = 8,
BackColor = Color.White,
BackColorEnabled = true,
BackColorOpacity = 0.5f
};

int pointID = 1;

DotSpatial.Symbology.PointScheme pointScheme = new DotSpatial.Symbology.PointScheme();
pointScheme.ClearCategories();

foreach (var fe in list)
{
double x = fe[0];
double y = fe[1];

// I use a custom class to set the coordinates of the points.
// You may have to use your own depending on your projection.
System.Windows.Point pLo = LatLonToMeters(y, x);

DotSpatial.Topology.Coordinate c = new DotSpatial.Topology.Coordinate(pLo.X, pLo.Y);
DotSpatial.Topology.Point point = new DotSpatial.Topology.Point(c);

IFeature currentFeature = pointCoords.AddFeature(point);

currentFeature.DataRow["ID"] = pointID;
currentFeature.DataRow["label"] = "point #" + pointID.ToString();

DotSpatial.Symbology.PictureSymbol pis = new DotSpatial.Symbology.PictureSymbol();
DotSpatial.Symbology.PointCategory pc = new DotSpatial.Symbology.PointCategory(pis);

foreach (IFeature f in pointCoords.Features)
{
if (f.Coordinates[0] == currentFeature.Coordinates[0])
{
//Here you can set any image you like. You can set one for each individual point.
Image img = listImg[pointID - 1];

DotSpatial.Symbology.Size2D sz = new DotSpatial.Symbology.Size2D(img.Width, img.Height);
pis.Image = img;
pis.Size = sz;

pc.Symbolizer.ScaleMode = DotSpatial.Symbology.ScaleMode.Simple;
pc.FilterExpression = "[ID]='" + currentFeature.DataRow["ID"].ToString() + "'"; // <-- this is extremely important. Here the point ID is set
pc.LegendText = currentFeature.DataRow["label"].ToString();

pointScheme.AddCategory(pc);

ll.Symbology.Categories[0].Expression = "[" + fl.DataSet.DataTable.Columns[1].ColumnName + "]"; // <-- again, extremely important. Here the label value is set (Set to the point ID)
}
}

pointID++; // bump up the ID's with one
}

fl.Symbology = pointScheme;
fl.ApplyScheme(pointScheme);
fl.ShowLabels = true; // <-- without this set, the labels won't show

//Some built in Invoking just in case you work from a different thread as I tend to do

if (InvokeRequired)
{
Invoke(new System.Windows.Forms.MethodInvoker(delegate
{
uxMap.Invalidate();
uxMap.Refresh();
}));
}
else
{
uxMap.Invalidate();
uxMap.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}

private const int TileSize = 256;
private const int EarthRadius = 6378137;
private const double InitialResolution = 2 * Math.PI * EarthRadius / TileSize;
private const double OriginShift = 2 * Math.PI * EarthRadius / 2;

//Converts given lat/lon in WGS84 Datum to XY in Spherical Mercator EPSG:900913
public static System.Windows.Point LatLonToMeters(double lat, double lon)
{
var p = new Point();
p.X = lon * OriginShift / 180;
p.Y = Math.Log(Math.Tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180);
p.Y = p.Y * OriginShift / 180;
return p;
}
```