/// <summary>
/// 释放标牌
/// </summary>
private void CloseLable()
{
if (mapLabel != null && !mapLabel.IsDisposed)
{
mapControl.OnMouseDown -= mapControl_OnMouseDown;
mapControl.OnMouseMove -= mapControl_OnMouseMove;
mapControl.OnMouseUp -= mapControl_OnMouseUp;
mapLabel.Dispose();
mapLabel = null;
}
}
/// <summary>
/// 标牌移动移动线的位置
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void mapLabel_Move(object sender, EventArgs e)
{
IPoint targetPoint = base.Geometry as IPoint;
Core.Model.MapLngLat startPoint = new Core.Model.MapLngLat(targetPoint.X, targetPoint.Y);//目标点
MapFrame.ArcMap.Windows.MapLabel label = sender as MapFrame.ArcMap.Windows.MapLabel;
IPoint labelLocation = mapControl.ToMapPoint(label.Location.X, label.Location.Y);
Core.Model.MapLngLat endPoint = new Core.Model.MapLngLat(labelLocation.X, labelLocation.Y);//标牌点
MapFrame.Core.Interface.IMFElement element = BelongLayer.GetElement("标牌线");
if (element == null)
{
return;
}
IMFLine lineElement = element as IMFLine;
List <Core.Model.MapLngLat> lnglatList = new List <Core.Model.MapLngLat>();
lnglatList.Add(startPoint);
lnglatList.Add(endPoint);
lineElement.UpdatePosition(lnglatList);//更新位置
}
/// <summary>
/// 初始化标牌
/// </summary>
private void InitLable()
{
IPoint point = base.Geometry as IPoint;
mapControl = BelongLayer.MapControl as AxMapControl;
mapControl.Update();
mapControl.OnMouseDown += mapControl_OnMouseDown;
int x = -1;
int y = -1;
mapControl.FromMapPoint(point, ref x, ref y);
System.Drawing.Point targetPoint = new System.Drawing.Point(x, y);
mapLabel = new Windows.MapLabel(targetPoint);
mapLabel.Move += new EventHandler(mapLabel_Move);
mapLabel.Location = mapLabel.LabelLocation;
IPoint labelLocation = mapControl.ToMapPoint(mapLabel.Location.X, mapLabel.Location.Y);
Dosomething((Action)(delegate
{
mapControl.Controls.Add(mapLabel);
}), true);
//画线
MapFrame.Core.Model.Kml kml = new MapFrame.Core.Model.Kml();
kml.Placemark.Name = "标牌线";
MapFrame.Core.Model.KmlLineString line = new MapFrame.Core.Model.KmlLineString();
List <MapFrame.Core.Model.MapLngLat> pointList = new List <MapFrame.Core.Model.MapLngLat>();
pointList.Add(new MapFrame.Core.Model.MapLngLat(point.X, point.Y));
pointList.Add(new MapFrame.Core.Model.MapLngLat(labelLocation.X, labelLocation.Y));
line.PositionList = pointList;
line.Color = Color.Black;
line.Width = 2;
kml.Placemark.Graph = line;
BelongLayer.AddElement(kml);
}
