private void Demo_Load(object sender, EventArgs e)
{
this.polygonLayer = map.AddLayer(shpRName) as DotSpatial.Controls.MapPolygonLayer;
this.map.ZoomToMaxExtent();
this.map.SizeChanged += map_SizeChanged;
// this.map.MouseClick += map_MouseClick;
if (polygonLayer != null)
{
}
map.ActivateMapFunction(new DotSpatial.Controls.MapFunctionZoom(map));
map.ActivateMapFunction(new DotSpatial.Controls.MapFunctionSelect(map));
map.MouseMove += map_MouseMove;
this.pointLayer = map.AddLayer(shpPName) as DotSpatial.Controls.MapPointLayer;
if (this.pointLayer == null)
{
throw new Exception("加载点数据失败");
}
this.lineLayer = map.AddLayer(shpLName) as DotSpatial.Controls.MapLineLayer;
if (this.lineLayer == null)
{
throw new Exception("加载线数据失败");
}
this.lineLayer.SelectionChanged += lineLayer_SelectionChanged;
this.pointLayer.SelectionChanged += pointLayer_SelectionChanged;
this.polygonLayer.SelectionChanged += polygonLayer_SelectionChanged;
this.OutputLog("加载成功");
}
public void SelectedLayerNullIfLayerRemoved()
{
DotSpatial.Controls.Map map = new DotSpatial.Controls.Map();
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestFiles", "test-randomPts.shp");
IMapLayer myLayer = map.AddLayer(path);
Assert.IsNotNull(myLayer, "the added map layer should not be null.");
myLayer.IsSelected = true;
Assert.AreEqual(map.Layers.SelectedLayer, myLayer, "the selected layer should be equal to myLayer.");
//now remove all layers
map.Layers.Clear();
//selectedLayer should be null
Assert.IsNull(map.Layers.SelectedLayer, "SelectedLayer should be null after removing all layers");
}
public void SelectedLayerNullIfLayerRemoved()
{
DotSpatial.Controls.Map map = new DotSpatial.Controls.Map();
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestFiles", "test-randomPts.shp");
IMapLayer myLayer = map.AddLayer(path);
Assert.IsNotNull(myLayer, "the added map layer should not be null.");
myLayer.IsSelected = true;
Assert.AreEqual(map.Layers.SelectedLayer, myLayer, "the selected layer should be equal to myLayer.");
//now remove all layers
map.Layers.Clear();
//selectedLayer should be null
Assert.IsNull(map.Layers.SelectedLayer, "SelectedLayer should be null after removing all layers");
}
