private void ClearTempDrawing()
{
tempPolygonsOverlay.Polygons.Clear();
tempPolygonsOverlay.Markers.Clear();
tempPolygonsOverlay.Routes.Clear();
if (drawingPolygon != null)
{
drawingPolygon.Dispose();
drawingPolygon = null;
}
drawingPoints.Clear();
if (drawingCircle != null)
{
drawingCircle.Dispose();
drawingCircle = null;
}
if (drawingRoute != null)
{
drawingRoute.Dispose();
drawingRoute = null;
}
if (drawingLine != null)
{
drawingLine.Dispose();
drawingLine = null;
}
drawingMode = DrawingMode.None;
}
public DrawEventArgs(DrawingMode drawingMode, PointLatLng centerPoint, PointLatLng edgePoint, Pen stroke, Brush fill)
{
DrawingMode = drawingMode;
Circle = new GMapDrawCircle(centerPoint, edgePoint, stroke, fill);
}
private void MapControl_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
isLeftButtonDown = true;
if (drawingMode == DrawingMode.Polygon)
{
drawingPoints.Add(MapControl.FromLocalToLatLng(e.X, e.Y));
if (drawingPolygon == null)
{
drawingPolygon = new GMapPolygon(drawingPoints, "Polygon");
drawingPolygon.Fill = Fill;
drawingPolygon.Stroke = Stroke;
drawingPolygon.IsHitTestVisible = false;
tempPolygonsOverlay.Polygons.Add(drawingPolygon);
MapControl.Refresh();
}
else
{
drawingPolygon.Points.Clear();
drawingPolygon.Points.AddRange(drawingPoints);
MapControl.UpdatePolygonLocalPosition(drawingPolygon);
MapControl.Refresh();
}
}
if (drawingMode == DrawingMode.Route)
{
drawingPoints.Add(MapControl.FromLocalToLatLng(e.X, e.Y));
if (drawingRoute == null)
{
drawingRoute = new GMapDrawRoute(drawingPoints, "Route");
if (Stroke != null)
{
drawingRoute.Stroke = Stroke;
}
drawingRoute.IsHitTestVisible = false;
tempPolygonsOverlay.Routes.Add(drawingRoute);
MapControl.Refresh();
}
else
{
drawingRoute.Points.Clear();
drawingRoute.Points.AddRange(drawingPoints);
MapControl.UpdateRouteLocalPosition(drawingRoute);
MapControl.Refresh();
}
}
if (drawingMode == DrawingMode.Line)
{
drawingPoints.Add(MapControl.FromLocalToLatLng(e.X, e.Y));
if (drawingLine == null)
{
drawingLine = new GMapDrawLine(drawingPoints, "Line");
if (Stroke != null)
{
drawingLine.Stroke = Stroke;
}
drawingLine.IsHitTestVisible = false;
tempPolygonsOverlay.Routes.Add(drawingLine);
MapControl.Refresh();
}
else
{
drawingLine.Points.Clear();
drawingLine.Points.AddRange(drawingPoints);
MapControl.UpdateRouteLocalPosition(drawingLine);
MapControl.Refresh();
}
}
if (drawingMode == DrawingMode.Rectangle)
{
drawingPoints.Add(MapControl.FromLocalToLatLng(e.X, e.Y));
if (drawingPolygon == null)
{
drawingPolygon = new GMapPolygon(drawingPoints, "Rectangle");
drawingPolygon.Fill = Fill;
drawingPolygon.Stroke = Stroke;
drawingPolygon.IsHitTestVisible = false;
tempPolygonsOverlay.Polygons.Add(drawingPolygon);
}
}
if (drawingMode == DrawingMode.Circle)
{
PointLatLng center = MapControl.FromLocalToLatLng(e.X, e.Y);
drawingPoints.Add(center);
if (drawingCircle == null)
{
drawingCircle = new GMapDrawCircle(center, center, Stroke, Fill);
tempPolygonsOverlay.Markers.Add(drawingCircle);
}
}
}
}