/// <summary>
/// Removes a layer using layer handle and raises a Layer removed event.
/// </summary>
/// <param name="layerHandle"></param>
public void RemoveLayer(int layerHandle)
{
try
{
_mapLayerDictionary[layerHandle].Dispose();
_mapLayerDictionary.Remove(layerHandle);
_axmap.RemoveLayer(layerHandle);
_axmap.Redraw();
//fire the layer deleted event
if (LayerRemoved != null)
{
LayerEventArg lp = new LayerEventArg(layerHandle, layerRemoved: true);
LayerRemoved(this, lp);
}
//if the layer removed is the current layer, then make the current layer null
if (CurrentMapLayer != null && layerHandle == _currentMapLayer.Handle)
{
_currentMapLayer = null;
}
}
catch (KeyNotFoundException knfex)
{
//ignore
}
catch (Exception ex)
{
Logger.Log(ex.Message, "MapLayersHandler", "RemoveLayer");
}
}
/// <summary>
/// Removes a layer from the list of layers
/// </summary>
internal bool RemoveLayer(int layerHandle, bool batch)
{
int groupIndex, layerIndex;
Layer lyr = FindLayerByHandle(layerHandle, out groupIndex, out layerIndex);
if (lyr == null)
{
return(false);
}
var grp = GetGroup(groupIndex);
grp.LayersList.RemoveAt(layerIndex);
_map.RemoveLayer(layerHandle);
if (layerHandle == _selectedLayerHandle && !batch)
{
_selectedLayerHandle = _map.NumLayers > 0 ? _map.get_LayerHandle(_map.NumLayers - 1) : -1;
FireEvent(this, LayerSelected, new LayerEventArgs(_selectedLayerHandle));
}
if (!batch)
{
grp.RecalcHeight();
Redraw();
}
FireEvent(this, LayerRemoved, new LayerEventArgs(layerHandle));
return(true);
}
public bool StopEditingLayer(bool saveEdits = false)
{
if (CurrentEditingLayer == null)
{
// there is nothing to save...
return(false);
}
saveAndCloseWhenFinish = false;
AxMap.ShapeEditor.SaveChanges();
if (saveEdits)
{
if (!SaveEdits())
{
//return false;
}
}
var sf = AxMap.get_Shapefile(CurrentEditingLayer.Handle);
var ogrLayer = AxMap.get_OgrLayer(CurrentEditingLayer.Handle);
if (ogrLayer != null)
{
ogrLayer.ReloadFromSource();
// show the editing layer (with all Polygons)
sf = AxMap.get_Shapefile(((ResTBPostGISLayer)CurrentEditingLayer).EditingLayerHandle);
AxMap.RemoveLayer(((ResTBPostGISLayer)CurrentEditingLayer).EditingLayerHandle);
AxMap.set_LayerVisible(CurrentEditingLayer.Handle, true);
}
bool returnBool = sf.StopEditingShapes();
AxMap.ChooseLayer -= AxMap_ChooseLayer;
AxMap.AfterShapeEdit -= _map_AfterShapeEdit;
AxMap.BeforeDeleteShape -= _map_BeforeDeleteShape;
AxMap.BeforeShapeEdit -= _map_BeforeShapeEdit;
AxMap.ShapeValidationFailed -= _map_ShapeValidationFailed;
AxMap.ValidateShape -= _map_ValidateShape;
MapControlTools.Redraw(true);
Events.MapControl_LayerChange layerChange = new Events.MapControl_LayerChange()
{
Layer = this.CurrentEditingLayer, LayerChangeReason = Events.LayerChangeReason.EditedLayer
};
On_LayerChange(layerChange);
Events.MapControl_EditingStateChange editingStateChange = new Events.MapControl_EditingStateChange()
{
EditingState = Events.EditingState.StopEditing, EditingLayer = CurrentEditingLayer
};
On_EditingStateChange(editingStateChange);
_currentEditingLayer = null;
AxMap.CursorMode = tkCursorMode.cmPan;
return(returnBool);
}
public void RemoveLayer()
{
if (layerHandle != -1)
{
map.RemoveLayer(layerHandle);
sf = new Shapefile();
sf.CreateNewWithShapeID("", ShpfileType.SHP_POINT);
layerHandle = -1;
}
}
public bool RemoveLayerByKey(string layerKey)
{
if (LayerDictionary.Count > 0)
{
List <int> layerHandles = new List <int>();
int counter = 0;
foreach (var item in LayerDictionary.Values)
{
if (item.LayerKey == layerKey)
{
layerHandles.Add(item.Handle);
}
}
foreach (var h in layerHandles)
{
MapLayerDictionary[h].Dispose();
MapLayerDictionary.Remove(h);
_axmap.RemoveLayer(h);
if (LayerRemoved != null)
{
LayerEventArg lp = new LayerEventArg(h, layerRemoved: true);
LayerRemoved(this, lp);
}
counter++;
}
if (counter > 0)
{
_axmap.Redraw();
}
return(counter > 0);
}
return(false);
}
public bool RemoveLayer(string name)
{
ILayer removeLayer = MapControlTools.Layers.Where(m => m.Name == name).FirstOrDefault();
if (removeLayer == null)
{
return(false);
}
if (removeLayer.GetType() == typeof(ResTBDamagePotentialLayer))
{
AxMap.RemoveLayer(((ResTBDamagePotentialLayer)removeLayer).PointHandle);
AxMap.RemoveLayer(((ResTBDamagePotentialLayer)removeLayer).LineHandle);
AxMap.RemoveLayer(((ResTBDamagePotentialLayer)removeLayer).PolygonHandle);
}
else if (removeLayer.GetType() == typeof(ResTBRiskMapLayer))
{
AxMap.RemoveLayer(((ResTBRiskMapLayer)removeLayer).PointHandle);
AxMap.RemoveLayer(((ResTBRiskMapLayer)removeLayer).LineHandle);
AxMap.RemoveLayer(((ResTBRiskMapLayer)removeLayer).PolygonHandle);
}
else
{
AxMap.RemoveLayer(removeLayer.Handle);
}
if (MapControlTools.EditingTool.CurrentEditingLayer?.GetType() == typeof(ResTBPostGISLayer))
{
AxMap.RemoveLayer(((ResTBPostGISLayer)MapControlTools.EditingTool.CurrentEditingLayer).EditingLayerHandle);
}
MapControlTools.Layers.Remove(removeLayer);
Events.MapControl_LayerChange layerchange = new Events.MapControl_LayerChange()
{
LayerChangeReason = Events.LayerChangeReason.RemoveLayer, Layer = removeLayer
};
On_LayerChange(layerchange);
return(true);
}
public virtual bool Remove(int layerHandle)
{
_axMap.RemoveLayer(layerHandle);
return(_axMap.get_LayerPosition(layerHandle) != -1);
}
