//In the MouseDoubleClick event, we allow adding a new draggable icon by left double clicking on the map and
//removing an icon by right double clicking.
private void winformsMap1_MouseDoubleClick(object sender, MouseEventArgs e)
{
winformsMap1.EditOverlay.EditShapesLayer.Open();
PointShape clickedPointShape = ExtentHelper.ToWorldCoordinate(winformsMap1.CurrentExtent, e.X, e.Y, winformsMap1.Width, winformsMap1.Height);
//For removing the icon clicked on.
if (e.Button == MouseButtons.Right)
{
Collection <Feature> clickedFeatures = winformsMap1.EditOverlay.EditShapesLayer.QueryTools.GetFeaturesNearestTo(clickedPointShape, GeographyUnit.DecimalDegree, 1,
ReturningColumnsType.AllColumns);
winformsMap1.EditOverlay.EditShapesLayer.Close();
if (clickedFeatures.Count > 0)
{
//Gets the dimension of the icon and checks if the clicked point is inside it.
ValueStyle valueStyle = (ValueStyle)winformsMap1.EditOverlay.EditShapesLayer.ZoomLevelSet.ZoomLevel01.CustomStyles[0];
//we loop thru the different ValueItem to get the appropriate icon according to the "Type".
GeoImage geoImage = null;
string text = clickedFeatures[0].ColumnValues["Type"].Trim();
foreach (ValueItem valueItem in valueStyle.ValueItems)
{
if (text == valueItem.Value)
{
geoImage = (GeoImage)valueStyle.ValueItems[0].DefaultPointStyle.Image;
break;
}
}
//We check to see if we clicked inside the icon itself.
ScreenPointF screenPointF = ExtentHelper.ToScreenCoordinate(winformsMap1.CurrentExtent, clickedFeatures[0], winformsMap1.Width, winformsMap1.Height);
RectangleF rectangleF = new RectangleF(screenPointF.X - (geoImage.GetWidth() / 2), screenPointF.Y - (geoImage.GetHeight() / 2),
geoImage.GetWidth(), geoImage.GetHeight());
bool IsInside = rectangleF.Contains(new PointF(e.X, e.Y));
//If inside, removes the feature from the EditShapesLayer of the EditOverlay.
if (IsInside == true)
{
winformsMap1.EditOverlay.EditShapesLayer.InternalFeatures.Remove(clickedFeatures[0]);
winformsMap1.Refresh(winformsMap1.EditOverlay);
}
}
}
//Adding a new icon.
else if (e.Button == MouseButtons.Left)
{
Feature carFeature = new Feature(clickedPointShape);
carFeature.ColumnValues["Type"] = "Unknown";
//We use DateTime.Now.Ticks to be sure to use a unique key each time we add a new feature.
winformsMap1.EditOverlay.EditShapesLayer.InternalFeatures.Add(DateTime.Now.Ticks.ToString(), carFeature);
//We call CalculateAllControlPoints to update the control points with the new feature to be able to drag the newly added feature.
winformsMap1.EditOverlay.CalculateAllControlPoints();
winformsMap1.Refresh(winformsMap1.EditOverlay);
}
}
protected override void DrawScreenImageWithoutScalingCore(GeoImage image, float centerXInScreen, float centerYInScreen, DrawingLevel drawingLevel, float xOffset, float yOffset, float rotateAngle)
{
DrawScreenImageCore(image, centerXInScreen, centerYInScreen, image.GetWidth(), image.GetHeight(), drawingLevel, xOffset, yOffset, rotateAngle);
}