using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ArcGIS.Core.CIM;
using ArcGIS.Core.Data;
using ArcGIS.Core.Geometry;
using ArcGIS.Desktop.Catalog;
using ArcGIS.Desktop.Core;
using ArcGIS.Desktop.Editing;
using ArcGIS.Desktop.Extensions;
using ArcGIS.Desktop.Framework;
using ArcGIS.Desktop.Framework.Contracts;
using ArcGIS.Desktop.Framework.Dialogs;
using ArcGIS.Desktop.Framework.Threading.Tasks;
using ArcGIS.Desktop.Mapping;
using System.Windows.Input;
namespace ProAppModule1
{
internal class MapToolSelect : MapTool
{
private IDisposable _graphic = null;
private CIMLineSymbol _lineSymbol = null;
public MapToolSelect()
{
IsSketchTool = true;
SketchType = SketchGeometryType.Line; //Sketch a line geometry
SketchOutputMode = SketchOutputMode.Map;
}
protected override Task OnToolDeactivateAsync(bool hasMapViewChanged)
{
if (_graphic != null)
_graphic.Dispose();//Clear out the old overlay
_graphic = null;
return base.OnToolDeactivateAsync(hasMapViewChanged);
}
/// <summary>
/// Occurs when the tool is activated.
/// </summary>
/// <param name="hasMapViewChanged">A value indicating if the active <see cref="T:ArcGIS.Desktop.Mapping.MapView"/> has changed.</param>
/// <returns>
/// A Task that represents a tool activation event.
/// </returns>
protected async override Task OnToolActivateAsync(bool hasMapViewChanged)
{
if (_lineSymbol == null)
{
_lineSymbol = await Module1.CreateLineSymbolAsync();
}
this.SketchSymbol = _lineSymbol.MakeSymbolReference();
}
protected override void OnToolMouseDown(MapViewMouseButtonEventArgs e)
{
if (_graphic != null)
{
_graphic.Dispose();//Clear out the old overlay
_graphic = null;
}
base.OnToolMouseDown(e);
}
protected async override Task<bool> OnSketchCompleteAsync(Geometry geometry)
{
_graphic = await this.AddOverlayAsync(geometry, _lineSymbol.MakeSymbolReference());
return true;
}
}
}
==========
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Input;
using System.Threading.Tasks;
using ArcGIS.Core.CIM;
using ArcGIS.Core.Data;
using ArcGIS.Core.Geometry;
using ArcGIS.Desktop.Catalog;
using ArcGIS.Desktop.Core;
using ArcGIS.Desktop.Editing;
using ArcGIS.Desktop.Extensions;
using ArcGIS.Desktop.Framework;
using ArcGIS.Desktop.Framework.Contracts;
using ArcGIS.Desktop.Framework.Dialogs;
using ArcGIS.Desktop.Framework.Threading.Tasks;
using ArcGIS.Desktop.Mapping;
namespace ProAppModule1
{
internal class Module1 : Module
{
private static Module1 _this = null;
/// <summary>
/// Retrieve the singleton instance to this module here
/// </summary>
public static Module1 Current
{
get
{
return _this ?? (_this = (Module1)FrameworkApplication.FindModule("ProAppModule1_Module"));
}
}
#region Overrides
/// <summary>
/// Called by Framework when ArcGIS Pro is closing
/// </summary>
/// <returns>False to prevent Pro from closing, otherwise True</returns>
protected override bool CanUnload()
{
//TODO - add your business logic
//return false to ~cancel~ Application close
return true;
}
internal static Task<CIMLineSymbol> CreateLineSymbolAsync()
{
return QueuedTask.Run(() => {
var lineStroke = SymbolFactory.Instance.ConstructStroke(ColorFactory.Instance.RedRGB, 4.0);
var marker = SymbolFactory.Instance.ConstructMarker(ColorFactory.Instance.RedRGB, 12, SimpleMarkerStyle.Circle);
marker.MarkerPlacement = new CIMMarkerPlacementOnVertices()
{
AngleToLine = true,
PlaceOnEndPoints = true,
Offset = 0
};
return new CIMLineSymbol()
{
SymbolLayers = new CIMSymbolLayer[2] { marker, lineStroke }
};
});
}
#endregion Overrides
}
}
